/**
 * BV-SIS Design System — "Aurora" Premium Enterprise Theme
 * BIG VOICE TECHNOLOGIES
 *
 * Dark-mode-first, glassmorphism, orange neon glow.
 * All legacy .bv-* class names are preserved; design tokens are remapped
 * so every existing component inherits the new premium look.
 */

/* ========================================================================== */
/* 1. DESIGN TOKENS — DARK MODE (DEFAULT / FIRST)                             */
/* ========================================================================== */

:root,
[data-bs-theme="dark"] {
    /* --- Brand palette (official) --- */
    --bv-bg: #08111F;                 /* Primary background */
    --bv-bg-2: #101A33;               /* Secondary background */
    --bv-card: rgba(16, 26, 51, 0.88); /* Card background */
    --bv-sidebar: #0B1220;            /* Sidebar */

    --bv-orange: #FF7A00;             /* Orange primary */
    --bv-orange-2: #FF9100;           /* Orange secondary */
    --bv-orange-glow: #FFB347;        /* Orange glow */
    --bv-gold: #FCD34D;               /* Gold highlight */
    --bv-blue: #00D9FF;               /* Blue accent */
    --bv-green: #00D084;              /* Green success */
    --bv-red: #FF4D4F;                /* Red danger */
    --bv-border: rgba(255, 255, 255, 0.08);

    /* --- Semantic mapping (used across all components) --- */
    --color-primary: var(--bv-orange);
    --color-primary-hover: var(--bv-orange-2);
    --color-primary-glow: var(--bv-orange-glow);
    --color-primary-light: rgba(255, 122, 0, 0.14);
    --color-primary-rgb: 255, 122, 0;
    --color-secondary: var(--bv-blue);
    --color-accent: var(--bv-gold);
    --color-success: var(--bv-green);
    --color-danger: var(--bv-red);
    --color-warning: var(--bv-gold);
    --color-info: var(--bv-blue);

    --color-bg: var(--bv-bg);
    --color-bg-elevated: var(--bv-bg-2);
    --color-surface: var(--bv-card);
    --color-surface-solid: #101A33;
    --color-sidebar: var(--bv-sidebar);
    --color-border: var(--bv-border);
    --color-border-strong: rgba(255, 255, 255, 0.14);

    --color-text-primary: #EAF1FB;
    --color-text-secondary: #9FB0C9;
    --color-text-muted: #6B7C99;

    /* --- Status colors --- */
    --color-status-active: var(--bv-green);
    --color-status-pending: var(--bv-gold);
    --color-status-exempted: var(--bv-blue);
    --color-status-repeat: var(--bv-orange);
    --color-status-withdraw: var(--bv-red);
    --color-status-graduated: #22D3EE;

    /* --- Gradients --- */
    --grad-orange: linear-gradient(135deg, #FF7A00 0%, #FF9100 55%, #FFB347 100%);
    --grad-orange-soft: linear-gradient(135deg, rgba(255, 122, 0, 0.18), rgba(255, 179, 71, 0.06));
    --grad-blue: linear-gradient(135deg, #00D9FF 0%, #0093E9 100%);
    --grad-green: linear-gradient(135deg, #00D084 0%, #00A86B 100%);
    --grad-gold: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
    --grad-red: linear-gradient(135deg, #FF6B6B 0%, #FF4D4F 100%);
    --grad-surface: linear-gradient(160deg, rgba(22, 34, 64, 0.92) 0%, rgba(12, 20, 40, 0.92) 100%);
    --grad-sidebar: linear-gradient(180deg, #0B1220 0%, #0A1730 100%);
    --grad-body: radial-gradient(1200px 700px at 15% -10%, rgba(255, 122, 0, 0.10), transparent 55%),
                 radial-gradient(1000px 800px at 100% 0%, rgba(0, 217, 255, 0.08), transparent 50%),
                 linear-gradient(180deg, #08111F 0%, #0A1428 100%);

    /* --- Glow shadows --- */
    --glow-orange: 0 0 0 1px rgba(255, 122, 0, 0.35), 0 8px 30px rgba(255, 122, 0, 0.28);
    --glow-orange-soft: 0 6px 24px rgba(255, 122, 0, 0.18);
    --glow-blue: 0 8px 30px rgba(0, 217, 255, 0.25);

    /* --- Typography --- */
    --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-display: 'Sora', 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;

    /* --- Spacing --- */
    --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
    --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px; --space-12: 48px;

    /* --- Radii --- */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 999px;

    /* --- Layout --- */
    --sidebar-width: 276px;
    --sidebar-collapsed-width: 84px;
    --header-height: 72px;
    --content-max-width: 1600px;

    /* --- Elevation shadows --- */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
    --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.05);

    /* --- Motion --- */
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 360ms cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* --- Bootstrap overrides --- */
    --bs-body-bg: var(--color-bg);
    --bs-body-color: var(--color-text-primary);
    --bs-primary: var(--color-primary);
    --bs-primary-rgb: var(--color-primary-rgb);
    --bs-secondary: var(--color-secondary);
    --bs-success: var(--color-success);
    --bs-danger: var(--color-danger);
    --bs-warning: var(--color-warning);
    --bs-info: var(--color-info);
    --bs-border-color: var(--color-border);
    --bs-link-color: var(--color-primary);
    --bs-link-hover-color: var(--color-primary-hover);
    --bs-font-sans-serif: var(--font-primary);
    --bs-emphasis-color: var(--color-text-primary);
    --bs-secondary-color: var(--color-text-secondary);
    --bs-tertiary-bg: var(--color-bg-elevated);
    --bs-border-radius: var(--radius-md);
}

/* ========================================================================== */
/* 2. DESIGN TOKENS — LIGHT MODE                                              */
/* ========================================================================== */

[data-bs-theme="light"] {
    --bv-bg: #EEF2F9;
    --bv-bg-2: #FFFFFF;
    --bv-card: rgba(255, 255, 255, 0.92);
    --bv-sidebar: #0B1220;

    --color-primary: #FF7A00;
    --color-primary-hover: #E86E00;
    --color-primary-glow: #FF9100;
    --color-primary-light: rgba(255, 122, 0, 0.12);
    --color-primary-rgb: 255, 122, 0;
    --color-secondary: #0093E9;
    --color-accent: #F59E0B;
    --color-success: #12B76A;
    --color-danger: #F04438;
    --color-warning: #F79009;
    --color-info: #0BA5EC;

    --color-bg: #EEF2F9;
    --color-bg-elevated: #FFFFFF;
    --color-surface: rgba(255, 255, 255, 0.92);
    --color-surface-solid: #FFFFFF;
    --color-sidebar: #0B1220;
    --color-border: rgba(15, 30, 60, 0.10);
    --color-border-strong: rgba(15, 30, 60, 0.18);

    --color-text-primary: #101A2E;
    --color-text-secondary: #51607A;
    --color-text-muted: #8A97AD;

    --grad-surface: linear-gradient(160deg, #FFFFFF 0%, #F7F9FE 100%);
    --grad-body: radial-gradient(1200px 700px at 12% -10%, rgba(255, 122, 0, 0.08), transparent 55%),
                 radial-gradient(1000px 800px at 100% 0%, rgba(0, 147, 233, 0.06), transparent 50%),
                 linear-gradient(180deg, #EEF2F9 0%, #E7EDF7 100%);

    --shadow-sm: 0 2px 8px rgba(16, 26, 46, 0.06);
    --shadow-md: 0 12px 30px rgba(16, 26, 46, 0.10);
    --shadow-lg: 0 24px 60px rgba(16, 26, 46, 0.16);
    --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);

    --glow-orange: 0 0 0 1px rgba(255, 122, 0, 0.30), 0 10px 26px rgba(255, 122, 0, 0.22);
    --glow-orange-soft: 0 6px 20px rgba(255, 122, 0, 0.16);

    --bs-body-bg: var(--color-bg);
    --bs-body-color: var(--color-text-primary);
    --bs-tertiary-bg: #F1F4FA;
    --bs-emphasis-color: var(--color-text-primary);
    --bs-secondary-color: var(--color-text-secondary);
}

/* ========================================================================== */
/* 3. BASE & TYPOGRAPHY                                                       */
/* ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    background-image: var(--grad-body);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0.01em;
}

h1, .h1 { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
h2, .h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h3, .h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
h4, .h4 { font-size: 1.05rem; font-weight: 600; line-height: 1.4; }

.text-mono { font-family: var(--font-mono); }
.text-secondary-bv { color: var(--color-text-secondary); }
.text-muted-bv { color: var(--color-text-muted); }
.text-gradient {
    background: var(--grad-orange);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}
a:hover { color: var(--color-primary-hover); }

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Custom scrollbars */
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.16) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 122, 0, 0.45); background-clip: padding-box; }
[data-bs-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(16, 26, 46, 0.18); background-clip: padding-box; }

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 9999;
    padding: var(--space-2) var(--space-4);
    background: var(--grad-orange);
    color: #08111F;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    transition: top var(--transition-base);
}
.skip-link:focus { top: 0; }

/* ========================================================================== */
/* 4. ADMIN SHELL                                                             */
/* ========================================================================== */

.bv-admin { display: flex; min-height: 100vh; }

/* --- Sidebar (floating, gradient, glow) --- */
.bv-admin__sidebar {
    position: fixed;
    top: var(--space-4);
    left: var(--space-4);
    bottom: var(--space-4);
    z-index: 1040;
    width: var(--sidebar-width);
    background: var(--grad-sidebar);
    color: var(--color-text-primary);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-inset);
    transition: width var(--transition-slow), transform var(--transition-slow);
    overflow: hidden;
}
.bv-admin__sidebar::before {
    /* subtle top orange aura */
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 160px;
    background: radial-gradient(120% 80% at 20% 0%, rgba(255, 122, 0, 0.16), transparent 70%);
    pointer-events: none;
}
.bv-admin__sidebar.is-collapsed { width: var(--sidebar-collapsed-width); }

.bv-admin__sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    height: var(--header-height);
    padding: 0 var(--space-5);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    position: relative;
}
.bv-admin__sidebar-brand-logo {
    width: 44px;
    height: 44px;
    background: var(--grad-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
    color: #0B1220;
    flex-shrink: 0;
    box-shadow: var(--glow-orange-soft);
}
.bv-admin__sidebar-brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-base);
}
.bv-admin__sidebar-brand-text small {
    display: block;
    font-family: var(--font-primary);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.bv-admin__sidebar.is-collapsed .bv-admin__sidebar-brand-text { opacity: 0; width: 0; }

/* Sidebar search */
.bv-admin__sidebar-search {
    padding: var(--space-4) var(--space-4) var(--space-2);
    position: relative;
    flex-shrink: 0;
}
.bv-admin__sidebar-search i {
    position: absolute;
    left: calc(var(--space-4) + 12px);
    top: 50%;
    transform: translateY(-40%);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    pointer-events: none;
}
.bv-admin__sidebar-search input {
    width: 100%;
    height: 42px;
    padding: 0 var(--space-3) 0 40px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 0.8125rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.bv-admin__sidebar-search input::placeholder { color: var(--color-text-muted); }
.bv-admin__sidebar-search input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 122, 0, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.15);
}
.bv-admin__sidebar.is-collapsed .bv-admin__sidebar-search { display: none; }

.bv-admin__sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-3) var(--space-3) var(--space-4);
}
.bv-admin__sidebar-nav::-webkit-scrollbar { width: 6px; }

.bv-admin__nav-section {
    padding: var(--space-4) var(--space-4) var(--space-2);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.bv-admin__sidebar.is-collapsed .bv-admin__nav-section { opacity: 0; height: 0; padding: 0; overflow: hidden; }

.bv-admin__nav-item { margin: 3px 0; }

.bv-admin__nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 11px var(--space-3);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
}
.bv-admin__nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    text-decoration: none;
}
.bv-admin__nav-link.is-active {
    background: var(--grad-orange-soft);
    color: #FFD9B0;
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(255, 122, 0, 0.25);
}
.bv-admin__nav-link.is-active::before {
    content: '';
    position: absolute;
    left: -3px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    border-radius: 999px;
    background: var(--grad-orange);
    box-shadow: 0 0 12px 2px rgba(255, 122, 0, 0.6);
}
.bv-admin__nav-link i:first-child {
    font-size: 1.15rem;
    width: 26px;
    text-align: center;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}
.bv-admin__nav-link:hover i:first-child { transform: scale(1.12); }
.bv-admin__nav-link.is-active i:first-child { color: var(--color-primary-glow); }

.bv-admin__nav-link-text { overflow: hidden; transition: opacity var(--transition-base); }
.bv-admin__sidebar.is-collapsed .bv-admin__nav-link-text { opacity: 0; width: 0; }
.bv-admin__sidebar.is-collapsed .bv-admin__nav-link { justify-content: center; }
.bv-admin__sidebar.is-collapsed .bv-admin__nav-link .bi-chevron-down { display: none; }

/* chevron rotation on expanded */
.bv-admin__nav-link .bi-chevron-down {
    font-size: 0.75rem;
    transition: transform var(--transition-base);
}
.bv-admin__nav-link[aria-expanded="true"] .bi-chevron-down { transform: rotate(180deg); }

/* Submenu */
.bv-admin__submenu { position: relative; margin: 2px 0 4px 0; padding-left: 30px; }
.bv-admin__submenu::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 4px;
    bottom: 8px;
    width: 1px;
    background: var(--color-border);
}
.bv-admin__submenu .bv-admin__nav-link {
    font-size: 0.8rem;
    padding: 7px var(--space-3);
    color: var(--color-text-muted);
    font-weight: 500;
}
.bv-admin__submenu .bv-admin__nav-link::after {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-border-strong);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}
.bv-admin__submenu .bv-admin__nav-link:hover { color: var(--color-text-primary); background: rgba(255,255,255,0.04); }
.bv-admin__submenu .bv-admin__nav-link:hover::after { background: var(--color-primary); }
.bv-admin__submenu .bv-admin__nav-link.is-active {
    color: var(--color-primary-glow);
    background: transparent;
    box-shadow: none;
}
.bv-admin__submenu .bv-admin__nav-link.is-active::before { display: none; }
.bv-admin__submenu .bv-admin__nav-link.is-active::after {
    background: var(--color-primary);
    box-shadow: 0 0 8px 2px rgba(255, 122, 0, 0.6);
}

/* collapsing animation for bootstrap collapse */
.bv-admin__sidebar .collapsing { transition: height var(--transition-slow); }

.bv-admin__sidebar-footer {
    padding: var(--space-3);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}
.bv-admin__sidebar-footer .bv-admin__nav-link {
    justify-content: flex-start;
    color: var(--color-text-muted);
}
.bv-admin__sidebar.is-collapsed .bv-admin__sidebar-footer .bv-admin__nav-link { justify-content: center; }

/* --- Main --- */
.bv-admin__main {
    flex: 1;
    margin-left: calc(var(--sidebar-width) + var(--space-8));
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}
.bv-admin:has(.bv-admin__sidebar.is-collapsed) .bv-admin__main {
    margin-left: calc(var(--sidebar-collapsed-width) + var(--space-8));
}

/* --- Header (glass) --- */
.bv-admin__header {
    position: sticky;
    top: var(--space-4);
    z-index: 1030;
    height: var(--header-height);
    margin: var(--space-4) var(--space-6) 0;
    padding: 0 var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), var(--shadow-inset);
}
.bv-admin__header-toggle {
    display: none;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-size: 1.2rem;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-base);
}
.bv-admin__header-toggle:hover { background: var(--color-primary-light); color: var(--color-primary); }

.bv-admin__header-search { flex: 1; max-width: 460px; }

.bv-admin__header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
}

/* Header icon buttons */
.bv-icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 1.15rem;
    cursor: pointer;
    transition: all var(--transition-base);
}
.bv-icon-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-border);
    color: var(--color-primary);
    transform: translateY(-1px);
}
.bv-icon-btn__badge {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 700;
    color: #0B1220;
    background: var(--grad-orange);
    border-radius: 999px;
    box-shadow: 0 0 0 2px var(--color-surface-solid), 0 0 10px rgba(255, 122, 0, 0.5);
}
.bv-icon-btn__badge--danger { background: var(--grad-red); color: #fff; }

/* Live clock + session pill */
.bv-header-clock {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.1;
    padding-right: var(--space-2);
    border-right: 1px solid var(--color-border);
    margin-right: var(--space-1);
}
.bv-header-clock__time {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}
.bv-header-clock__date { font-size: 0.6875rem; color: var(--color-text-muted); }

.bv-session-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 7px var(--space-3);
    background: var(--grad-orange-soft);
    border: 1px solid rgba(255, 122, 0, 0.28);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary-glow);
    white-space: nowrap;
}
.bv-session-pill i { font-size: 0.85rem; }

/* Profile dropdown trigger */
.bv-profile-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 5px 10px 5px 5px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-base);
}
.bv-profile-trigger:hover { border-color: rgba(255, 122, 0, 0.4); background: rgba(255,255,255,0.06); }
.bv-profile-trigger__meta { text-align: left; line-height: 1.15; }
.bv-profile-trigger__name { font-size: 0.8125rem; font-weight: 600; color: var(--color-text-primary); }
.bv-profile-trigger__role { font-size: 0.6875rem; color: var(--color-text-muted); }

/* --- Content --- */
.bv-admin__content {
    flex: 1;
    padding: var(--space-6);
    max-width: var(--content-max-width);
    width: 100%;
    margin: 0 auto;
    animation: bv-fade-up var(--transition-slow);
}

.bv-admin__footer {
    padding: var(--space-5) var(--space-6);
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.bv-admin__footer strong { color: var(--color-text-secondary); }

/* ========================================================================== */
/* 5. DROPDOWN MENUS (glass)                                                  */
/* ========================================================================== */

.dropdown-menu {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: var(--color-text-primary);
    padding: var(--space-2);
    animation: bv-fade-up 180ms ease;
}
.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}
.dropdown-item:hover, .dropdown-item:focus {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.dropdown-item.text-danger:hover { background: rgba(255, 77, 79, 0.12); color: var(--color-danger); }
.dropdown-divider { border-color: var(--color-border); }

/* ========================================================================== */
/* 6. CARDS                                                                   */
/* ========================================================================== */

.bv-card {
    position: relative;
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    backdrop-filter: blur(16px) saturate(130%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
}
.bv-card::after {
    /* animated top border sheen */
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 122, 0, 0.6), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}
.bv-card:hover::after { opacity: 1; }
.bv-card--clickable { cursor: pointer; }
.bv-card--clickable:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: rgba(255, 122, 0, 0.28);
}

.bv-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}
.bv-card__title { font-size: 1.05rem; font-weight: 600; margin: 0; color: var(--color-text-primary); }
.bv-card__body { color: var(--color-text-secondary); }
.bv-card__footer { margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--color-border); }

/* --- KPI / Stat cards --- */
.bv-stat-card {
    position: relative;
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    backdrop-filter: blur(16px) saturate(130%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
}
.bv-stat-card::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(255, 122, 0, 0.16), transparent 68%);
    pointer-events: none;
    transition: opacity var(--transition-slow);
}
.bv-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), var(--glow-orange-soft);
    border-color: rgba(255, 122, 0, 0.28);
}
.bv-stat-card--success::before { background: radial-gradient(circle, rgba(0, 208, 132, 0.18), transparent 68%); }
.bv-stat-card--warning::before { background: radial-gradient(circle, rgba(252, 211, 77, 0.18), transparent 68%); }
.bv-stat-card--danger::before  { background: radial-gradient(circle, rgba(255, 77, 79, 0.18), transparent 68%); }
.bv-stat-card--info::before    { background: radial-gradient(circle, rgba(0, 217, 255, 0.18), transparent 68%); }
.bv-stat-card--accent::before  { background: radial-gradient(circle, rgba(252, 211, 77, 0.18), transparent 68%); }

.bv-stat-card__header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--space-4); }
.bv-stat-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #0B1220;
    background: var(--grad-orange);
    box-shadow: var(--glow-orange-soft);
}
.bv-stat-card--success .bv-stat-card__icon { background: var(--grad-green); color: #062015; box-shadow: 0 6px 20px rgba(0, 208, 132, 0.28); }
.bv-stat-card--warning .bv-stat-card__icon,
.bv-stat-card--accent  .bv-stat-card__icon { background: var(--grad-gold); color: #2A1E00; box-shadow: 0 6px 20px rgba(252, 211, 77, 0.28); }
.bv-stat-card--danger  .bv-stat-card__icon { background: var(--grad-red); color: #fff; box-shadow: 0 6px 20px rgba(255, 77, 79, 0.28); }
.bv-stat-card--info    .bv-stat-card__icon { background: var(--grad-blue); color: #04202A; box-shadow: var(--glow-blue); }

.bv-stat-card__value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}
.bv-stat-card__label { font-size: 0.8rem; color: var(--color-text-secondary); font-weight: 500; }
.bv-stat-card__trend {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--space-3);
    padding: 3px 8px;
    border-radius: var(--radius-pill);
}
.bv-stat-card__trend--up { color: var(--color-success); background: rgba(0, 208, 132, 0.12); }
.bv-stat-card__trend--down { color: var(--color-danger); background: rgba(255, 77, 79, 0.12); }
.bv-stat-card__trend--neutral { color: var(--color-text-muted); background: rgba(255, 255, 255, 0.05); }

/* ========================================================================== */
/* 7. BUTTONS                                                                 */
/* ========================================================================== */

.bv-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-base),
        background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}
.bv-btn::after {
    /* ripple sheen */
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: width 500ms ease, height 500ms ease, opacity 600ms ease;
}
.bv-btn:active::after { width: 260px; height: 260px; opacity: 1; transition: 0s; }
.bv-btn:hover { transform: translateY(-2px); }
.bv-btn:active { transform: translateY(0) scale(0.98); }

.bv-btn--sm { height: 36px; padding: 0 var(--space-4); font-size: 0.78rem; }
.bv-btn--md { height: 44px; padding: 0 var(--space-5); font-size: 0.875rem; }
.bv-btn--lg { height: 52px; padding: 0 var(--space-8); font-size: 1rem; }

.bv-btn--primary {
    background: var(--grad-orange);
    color: #0B1220;
    box-shadow: var(--glow-orange-soft);
}
.bv-btn--primary:hover { box-shadow: var(--glow-orange); color: #0B1220; }

.bv-btn--secondary {
    background: rgba(255, 122, 0, 0.08);
    color: var(--color-primary-glow);
    border-color: rgba(255, 122, 0, 0.4);
}
.bv-btn--secondary:hover { background: rgba(255, 122, 0, 0.16); color: var(--color-primary-glow); }

.bv-btn--blue { background: var(--grad-blue); color: #04202A; box-shadow: var(--glow-blue); }
.bv-btn--success { background: var(--grad-green); color: #062015; box-shadow: 0 6px 20px rgba(0,208,132,0.28); }

.bv-btn--danger { background: var(--grad-red); color: #fff; box-shadow: 0 6px 20px rgba(255, 77, 79, 0.28); }
.bv-btn--danger:hover { box-shadow: 0 8px 28px rgba(255, 77, 79, 0.4); color: #fff; }

.bv-btn--ghost { background: transparent; color: var(--color-text-secondary); border-color: var(--color-border); }
.bv-btn--ghost:hover { background: rgba(255, 255, 255, 0.05); color: var(--color-text-primary); border-color: var(--color-border-strong); }

.bv-btn--icon { width: 44px; height: 44px; padding: 0; border-radius: 12px; }
.bv-btn:disabled, .bv-btn.is-loading { opacity: 0.6; pointer-events: none; transform: none; }

/* Bootstrap button harmonisation */
.btn { border-radius: var(--radius-md); font-weight: 600; }
.btn-primary { background: var(--grad-orange); border: none; color: #0B1220; box-shadow: var(--glow-orange-soft); }
.btn-primary:hover, .btn-primary:focus { background: var(--grad-orange); color: #0B1220; box-shadow: var(--glow-orange); }
.btn-outline-primary { color: var(--color-primary); border-color: rgba(255,122,0,0.5); }
.btn-outline-primary:hover { background: var(--color-primary); border-color: var(--color-primary); color: #0B1220; }

/* ========================================================================== */
/* 8. ALERTS                                                                  */
/* ========================================================================== */

.bv-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: 0.875rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    animation: bv-slide-down 280ms ease;
}
.bv-alert--success { background: rgba(0, 208, 132, 0.12); border-color: rgba(0, 208, 132, 0.35); color: #4EE8B4; }
.bv-alert--danger  { background: rgba(255, 77, 79, 0.12); border-color: rgba(255, 77, 79, 0.35); color: #FF8A8C; }
.bv-alert--warning { background: rgba(252, 211, 77, 0.12); border-color: rgba(252, 211, 77, 0.35); color: #FCD34D; }
.bv-alert--info    { background: rgba(0, 217, 255, 0.10); border-color: rgba(0, 217, 255, 0.32); color: #6FE6FF; }

/* ========================================================================== */
/* 9. BADGES & STATUS PILLS                                                   */
/* ========================================================================== */

.bv-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-pill);
    line-height: 1.5;
    border: 1px solid transparent;
}
.bv-badge--primary   { background: rgba(255, 122, 0, 0.14); color: var(--color-primary-glow); border-color: rgba(255,122,0,0.28); }
.bv-badge--secondary { background: rgba(0, 217, 255, 0.14); color: var(--bv-blue); border-color: rgba(0,217,255,0.28); }
.bv-badge--success   { background: rgba(0, 208, 132, 0.14); color: #4EE8B4; border-color: rgba(0,208,132,0.28); }
.bv-badge--danger    { background: rgba(255, 77, 79, 0.14); color: #FF8A8C; border-color: rgba(255,77,79,0.28); }
.bv-badge--warning   { background: rgba(252, 211, 77, 0.14); color: var(--bv-gold); border-color: rgba(252,211,77,0.28); }
.bv-badge--info      { background: rgba(0, 217, 255, 0.14); color: var(--bv-blue); border-color: rgba(0,217,255,0.28); }

.bv-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}
.bv-status-pill::before { content: ''; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 8px currentColor; }
.bv-status-pill--active::before { background: var(--color-status-active); color: var(--color-status-active); }
.bv-status-pill--pending::before { background: var(--color-status-pending); color: var(--color-status-pending); }
.bv-status-pill--exempted::before { background: var(--color-status-exempted); color: var(--color-status-exempted); }
.bv-status-pill--repeat::before { background: var(--color-status-repeat); color: var(--color-status-repeat); }
.bv-status-pill--withdraw::before { background: var(--color-status-withdraw); color: var(--color-status-withdraw); }
.bv-status-pill--graduated::before { background: var(--color-status-graduated); color: var(--color-status-graduated); }

/* ========================================================================== */
/* 10. TABLES                                                                 */
/* ========================================================================== */

.bv-table-wrapper {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    backdrop-filter: blur(16px) saturate(130%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm), var(--shadow-inset);
}
.bv-table-wrapper__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}
.bv-table-wrapper__export { display: flex; align-items: center; gap: var(--space-2); }

.bv-table { width: 100%; margin-bottom: 0; font-size: 0.85rem; border-collapse: separate; border-spacing: 0; }
.bv-table thead th {
    background: rgba(255, 255, 255, 0.03);
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-5);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}
.bv-table tbody td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
    color: var(--color-text-primary);
}
.bv-table tbody tr { transition: background var(--transition-fast), box-shadow var(--transition-fast); }
.bv-table tbody tr:hover {
    background: var(--color-primary-light);
    box-shadow: inset 3px 0 0 var(--color-primary);
}
.bv-table tbody tr:last-child td { border-bottom: none; }
.bv-table__actions { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-1); }

.bv-table-wrapper__footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* DataTables overrides */
.dataTables_wrapper { padding: var(--space-4); color: var(--color-text-secondary); }
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    background: rgba(255,255,255,0.04);
    color: var(--color-text-primary);
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: var(--radius-sm) !important;
    color: var(--color-text-secondary) !important;
    border: none !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--grad-orange) !important;
    color: #0B1220 !important;
    border: none !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--color-primary-light) !important;
    color: var(--color-primary) !important;
    border: none !important;
}
.dt-buttons .btn { font-size: 0.78rem; }

/* ========================================================================== */
/* 11. FILTER BAR & SEARCH                                                    */
/* ========================================================================== */

.bv-filter-bar {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
}
.bv-filter-bar__chips { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.bv-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 5px 12px;
    background: var(--color-primary-light);
    color: var(--color-primary-glow);
    border: 1px solid rgba(255,122,0,0.25);
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: 600;
}

.bv-search-bar { position: relative; }
.bv-search-bar__icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}
.bv-search-bar__input {
    width: 100%;
    height: 46px;
    padding: 0 var(--space-4) 0 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.bv-search-bar__input::placeholder { color: var(--color-text-muted); }
.bv-search-bar__input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 122, 0, 0.5);
    box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.14);
}
.bv-search-bar__shortcut {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.68rem;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 3px 7px;
    pointer-events: none;
}

/* ========================================================================== */
/* 12. PAGE HEADER & BREADCRUMB                                               */
/* ========================================================================== */

.bv-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.bv-page-header__title {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 var(--space-2);
    color: var(--color-text-primary);
}
.bv-page-header__subtitle { font-size: 0.9rem; color: var(--color-text-secondary); margin: 0; }
.bv-page-header__actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }

.bv-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-3);
    font-size: 0.78rem;
}
.bv-breadcrumb__item { display: flex; align-items: center; gap: var(--space-1); color: var(--color-text-muted); }
.bv-breadcrumb__item a { color: var(--color-text-secondary); }
.bv-breadcrumb__item a:hover { color: var(--color-primary); }
.bv-breadcrumb__item.is-active { color: var(--color-text-primary); font-weight: 600; }
.bv-breadcrumb__separator { color: var(--color-text-muted); font-size: 0.7rem; }

/* ========================================================================== */
/* 13. TABS                                                                   */
/* ========================================================================== */

.bv-tabs { border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-5); }
.bv-tabs__list { display: flex; gap: var(--space-1); list-style: none; padding: 0; margin: 0; overflow-x: auto; }
.bv-tabs__item { flex-shrink: 0; }
.bv-tabs__link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    border-bottom: 2px solid transparent;
    text-decoration: none;
    transition: color var(--transition-base), border-color var(--transition-base);
    margin-bottom: -1px;
}
.bv-tabs__link:hover { color: var(--color-primary); }
.bv-tabs__link.is-active { color: var(--color-primary-glow); border-bottom-color: var(--color-primary); }

/* Bootstrap nav-tabs harmonisation */
.nav-tabs { border-color: var(--color-border); }
.nav-tabs .nav-link { color: var(--color-text-secondary); border: none; font-weight: 600; }
.nav-tabs .nav-link.active {
    color: var(--color-primary-glow);
    background: transparent;
    border-bottom: 2px solid var(--color-primary);
}

/* ========================================================================== */
/* 14. STEPPER                                                                */
/* ========================================================================== */

.bv-stepper { display: flex; align-items: center; gap: 0; margin-bottom: var(--space-6); }
.bv-stepper__step { display: flex; align-items: center; flex: 1; }
.bv-stepper__indicator {
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem; font-weight: 700;
    border: 2px solid var(--color-border);
    color: var(--color-text-muted);
    background: var(--color-surface-solid);
    flex-shrink: 0;
    transition: all var(--transition-base);
}
.bv-stepper__step.is-complete .bv-stepper__indicator { background: var(--grad-green); border-color: transparent; color: #062015; }
.bv-stepper__step.is-active .bv-stepper__indicator {
    background: var(--grad-orange); border-color: transparent; color: #0B1220;
    box-shadow: var(--glow-orange-soft);
}
.bv-stepper__label { margin-left: var(--space-2); font-size: 0.8rem; font-weight: 600; color: var(--color-text-muted); white-space: nowrap; }
.bv-stepper__step.is-active .bv-stepper__label, .bv-stepper__step.is-complete .bv-stepper__label { color: var(--color-text-primary); }
.bv-stepper__connector { flex: 1; height: 2px; background: var(--color-border); margin: 0 var(--space-3); }
.bv-stepper__step.is-complete .bv-stepper__connector { background: var(--color-success); }

/* ========================================================================== */
/* 15. PROGRESS                                                               */
/* ========================================================================== */

.bv-progress { height: 10px; background: rgba(255, 255, 255, 0.06); border-radius: var(--radius-pill); overflow: hidden; }
.bv-progress__bar {
    height: 100%;
    background: var(--grad-orange);
    border-radius: var(--radius-pill);
    transition: width var(--transition-slow);
    width: 0%;
    box-shadow: 0 0 12px rgba(255, 122, 0, 0.5);
}
.bv-progress__bar--0{width:0}.bv-progress__bar--5{width:5%}.bv-progress__bar--10{width:10%}.bv-progress__bar--15{width:15%}
.bv-progress__bar--20{width:20%}.bv-progress__bar--25{width:25%}.bv-progress__bar--30{width:30%}.bv-progress__bar--35{width:35%}
.bv-progress__bar--40{width:40%}.bv-progress__bar--45{width:45%}.bv-progress__bar--50{width:50%}.bv-progress__bar--55{width:55%}
.bv-progress__bar--60{width:60%}.bv-progress__bar--65{width:65%}.bv-progress__bar--70{width:70%}.bv-progress__bar--75{width:75%}
.bv-progress__bar--80{width:80%}.bv-progress__bar--85{width:85%}.bv-progress__bar--90{width:90%}.bv-progress__bar--95{width:95%}
.bv-progress__bar--100{width:100%}
.bv-progress--success .bv-progress__bar { background: var(--grad-green); box-shadow: 0 0 12px rgba(0,208,132,0.5); }
.bv-progress--warning .bv-progress__bar { background: var(--grad-gold); box-shadow: 0 0 12px rgba(252,211,77,0.5); }
.bv-progress--danger .bv-progress__bar { background: var(--grad-red); box-shadow: 0 0 12px rgba(255,77,79,0.5); }
.bv-progress__label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--color-text-secondary); margin-bottom: var(--space-2); }

/* ========================================================================== */
/* 16. WIDGET / TIMELINE / CALENDAR / CHART CARD                              */
/* ========================================================================== */

.bv-widget {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    backdrop-filter: blur(16px) saturate(130%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    height: 100%;
}
.bv-widget__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }
.bv-widget__title { font-size: 0.95rem; font-weight: 600; margin: 0; color: var(--color-text-primary); }

.bv-timeline { position: relative; padding-left: var(--space-6); }
.bv-timeline::before { content: ''; position: absolute; left: 11px; top: 4px; bottom: 4px; width: 2px; background: var(--color-border); }
.bv-timeline__item { position: relative; padding-bottom: var(--space-5); }
.bv-timeline__item:last-child { padding-bottom: 0; }
.bv-timeline__dot {
    position: absolute;
    left: calc(-1 * var(--space-6) + 4px);
    top: 3px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--grad-orange);
    border: 3px solid var(--color-surface-solid);
    box-shadow: 0 0 0 2px rgba(255, 122, 0, 0.3), 0 0 12px rgba(255, 122, 0, 0.4);
}
.bv-timeline__time { font-size: 0.72rem; color: var(--color-text-muted); margin-bottom: 2px; }
.bv-timeline__content { font-size: 0.875rem; color: var(--color-text-primary); }

.bv-calendar-card__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; text-align: center; font-size: 0.78rem; }
.bv-calendar-card__day-header { font-weight: 700; color: var(--color-text-muted); padding: var(--space-2); font-size: 0.68rem; text-transform: uppercase; }
.bv-calendar-card__day { padding: var(--space-2); border-radius: 10px; cursor: default; color: var(--color-text-secondary); transition: background var(--transition-fast); }
.bv-calendar-card__day:hover { background: rgba(255,255,255,0.05); }
.bv-calendar-card__day.is-today { background: var(--grad-orange); color: #0B1220; font-weight: 700; box-shadow: var(--glow-orange-soft); }
.bv-calendar-card__day.is-event { background: var(--color-primary-light); color: var(--color-primary-glow); font-weight: 600; }

.bv-chart-card {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    backdrop-filter: blur(16px) saturate(130%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    height: 100%;
}
.bv-chart-card__canvas { position: relative; height: 300px; }
.bv-chart-card__canvas--200 { height: 200px; }
.bv-chart-card__canvas--240 { height: 240px; }
.bv-chart-card__canvas--280 { height: 280px; }
.bv-chart-card__canvas--300 { height: 300px; }
.bv-chart-card__canvas--320 { height: 320px; }
.bv-chart-card__canvas--400 { height: 400px; }

/* ========================================================================== */
/* 17. EMPTY STATE                                                            */
/* ========================================================================== */

.bv-empty-state { text-align: center; padding: var(--space-12) var(--space-6); }
.bv-empty-state__icon {
    width: 96px; height: 96px;
    margin: 0 auto var(--space-5);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.6rem;
    color: var(--color-primary-glow);
    background: var(--grad-orange-soft);
    border: 1px solid rgba(255,122,0,0.2);
    border-radius: 28px;
}
.bv-empty-state__title { font-size: 1.2rem; font-weight: 600; color: var(--color-text-primary); margin-bottom: var(--space-2); }
.bv-empty-state__message { font-size: 0.875rem; color: var(--color-text-secondary); margin: 0 auto var(--space-6); max-width: 420px; }

/* ========================================================================== */
/* 18. AVATAR & FILE UPLOAD                                                   */
/* ========================================================================== */

.bv-avatar {
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; overflow: hidden;
    background: var(--grad-orange);
    color: #0B1220; font-weight: 700; flex-shrink: 0;
    box-shadow: var(--glow-orange-soft);
}
.bv-avatar--sm { width: 36px; height: 36px; font-size: 0.8rem; }
.bv-avatar--md { width: 44px; height: 44px; font-size: 0.9rem; }
.bv-avatar--lg { width: 72px; height: 72px; font-size: 1.4rem; }
.bv-avatar--xl { width: 104px; height: 104px; font-size: 1.9rem; }
.bv-avatar img { width: 100%; height: 100%; object-fit: cover; }

.bv-file-uploader {
    border: 2px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    cursor: pointer;
    background: rgba(255,255,255,0.02);
    transition: border-color var(--transition-base), background var(--transition-base);
}
.bv-file-uploader:hover, .bv-file-uploader.is-dragover { border-color: var(--color-primary); background: var(--color-primary-light); }
.bv-file-uploader__icon { font-size: 2.2rem; color: var(--color-primary-glow); margin-bottom: var(--space-3); }
.bv-file-uploader__text { font-size: 0.9rem; color: var(--color-text-secondary); }
.bv-file-uploader__hint { font-size: 0.75rem; color: var(--color-text-muted); margin-top: var(--space-2); }

/* ========================================================================== */
/* 19. AUTH / LOGIN — Premium                                                 */
/* ========================================================================== */

.bv-auth {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    overflow: hidden;
    background: linear-gradient(120deg, #060C17 0%, #0A1730 45%, #0B1220 100%);
    background-size: 220% 220%;
    animation: bv-gradient-pan 18s ease infinite;
}

/* Animated background layers */
.bv-auth__bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.bv-auth__orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5; animation: bv-float 14s ease-in-out infinite; }
.bv-auth__orb--1 { width: 420px; height: 420px; top: -120px; left: -80px; background: radial-gradient(circle, rgba(255,122,0,0.55), transparent 70%); }
.bv-auth__orb--2 { width: 360px; height: 360px; bottom: -120px; right: -60px; background: radial-gradient(circle, rgba(0,217,255,0.4), transparent 70%); animation-delay: -4s; }
.bv-auth__orb--3 { width: 300px; height: 300px; top: 40%; left: 55%; background: radial-gradient(circle, rgba(252,211,77,0.3), transparent 70%); animation-delay: -8s; }

.bv-auth__ring { position: absolute; border-radius: 50%; border: 1px solid rgba(255, 122, 0, 0.18); }
.bv-auth__ring--1 { width: 620px; height: 620px; top: 50%; left: 50%; margin: -310px 0 0 -310px; animation: bv-spin 40s linear infinite; }
.bv-auth__ring--2 { width: 820px; height: 820px; top: 50%; left: 50%; margin: -410px 0 0 -410px; border-color: rgba(0,217,255,0.10); animation: bv-spin 60s linear infinite reverse; }
.bv-auth__ring--1::before {
    content: ''; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%;
    background: var(--bv-orange-glow); box-shadow: 0 0 18px 4px rgba(255, 122, 0, 0.8); transform: translateX(-50%);
}

/* Grid overlay */
.bv-auth__grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 75%);
}

.bv-auth__shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 980px;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    background: rgba(11, 18, 32, 0.55);
    -webkit-backdrop-filter: blur(26px) saturate(140%);
    backdrop-filter: blur(26px) saturate(140%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 80px rgba(255, 122, 0, 0.12);
    overflow: hidden;
    animation: bv-auth-in 700ms var(--ease-spring) both;
}

/* Left brand / illustration panel */
.bv-auth__aside {
    position: relative;
    padding: var(--space-12) var(--space-10);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background:
        radial-gradient(120% 80% at 0% 0%, rgba(255,122,0,0.20), transparent 60%),
        linear-gradient(180deg, rgba(16,26,51,0.6), rgba(8,17,31,0.4));
    border-right: 1px solid var(--color-border);
    overflow: hidden;
}
.bv-auth__aside::after {
    content: ''; position: absolute; right: -80px; bottom: -80px; width: 260px; height: 260px;
    background: conic-gradient(from 0deg, rgba(255,122,0,0.25), rgba(0,217,255,0.15), rgba(255,122,0,0.25));
    filter: blur(40px); border-radius: 50%; animation: bv-spin 30s linear infinite;
}
.bv-auth__brand { position: relative; z-index: 1; display: flex; align-items: center; gap: var(--space-3); }
.bv-auth__brand-logo {
    width: 54px; height: 54px; border-radius: 16px;
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; color: #0B1220;
    background: var(--grad-orange); box-shadow: var(--glow-orange);
}
.bv-auth__brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: #fff; line-height: 1.1; }
.bv-auth__brand-name small { display: block; font-family: var(--font-primary); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text-muted); }

.bv-auth__hero { position: relative; z-index: 1; margin: var(--space-8) 0; }
.bv-auth__hero-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: #fff;
    margin: 0 0 var(--space-4);
}
.bv-auth__hero-title .text-gradient { filter: drop-shadow(0 4px 24px rgba(255,122,0,0.4)); }
.bv-auth__hero-text { color: var(--color-text-secondary); font-size: 0.95rem; max-width: 34ch; }

.bv-auth__features { position: relative; z-index: 1; display: flex; flex-direction: column; gap: var(--space-3); }
.bv-auth__feature { display: flex; align-items: center; gap: var(--space-3); color: var(--color-text-secondary); font-size: 0.85rem; }
.bv-auth__feature i {
    width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--grad-orange-soft); color: var(--color-primary-glow); border: 1px solid rgba(255,122,0,0.25);
}

/* Right form panel */
.bv-auth__panel { padding: var(--space-12) var(--space-10); display: flex; flex-direction: column; justify-content: center; }
.bv-auth__panel-head { margin-bottom: var(--space-8); }
.bv-auth__panel-title { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: #fff; margin: 0 0 var(--space-2); }
.bv-auth__panel-sub { color: var(--color-text-secondary); font-size: 0.9rem; margin: 0; }

.bv-field { margin-bottom: var(--space-5); }
.bv-field__label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--color-text-secondary); margin-bottom: var(--space-2); }
.bv-field__wrap { position: relative; }
.bv-field__icon {
    position: absolute; left: var(--space-4); top: 50%; transform: translateY(-50%);
    color: var(--color-text-muted); font-size: 1.05rem; pointer-events: none; transition: color var(--transition-base);
}
.bv-field__input {
    width: 100%; height: 52px;
    padding: 0 46px 0 46px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: #fff; font-size: 0.9rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.bv-field__input::placeholder { color: var(--color-text-muted); }
.bv-field__input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 122, 0, 0.6);
    box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.16);
}
.bv-field__input:focus ~ .bv-field__icon { color: var(--color-primary-glow); }
.bv-field__toggle {
    position: absolute; right: var(--space-3); top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--color-text-muted); cursor: pointer;
    font-size: 1.05rem; padding: 6px; border-radius: 8px; transition: color var(--transition-base);
}
.bv-field__toggle:hover { color: var(--color-primary-glow); }
.bv-field__error { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: #FF8A8C; margin-top: var(--space-2); }

.bv-auth__row { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-6); }
.bv-check { display: inline-flex; align-items: center; gap: var(--space-2); font-size: 0.8rem; color: var(--color-text-secondary); cursor: pointer; user-select: none; }
.bv-check input { width: 18px; height: 18px; accent-color: var(--bv-orange); border-radius: 5px; }
.bv-auth__forgot { font-size: 0.8rem; font-weight: 600; color: var(--color-primary-glow); }

.bv-auth__submit {
    position: relative;
    width: 100%; height: 54px;
    border: none; border-radius: var(--radius-md);
    background: var(--grad-orange);
    color: #0B1220; font-weight: 700; font-size: 0.95rem;
    letter-spacing: 0.02em;
    cursor: pointer; overflow: hidden;
    box-shadow: var(--glow-orange);
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
}
.bv-auth__submit:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(255, 122, 0, 0.5); }
.bv-auth__submit:active { transform: translateY(0) scale(0.99); }
.bv-auth__submit .bv-spinner { display: none; }
.bv-auth__submit.is-loading .bv-auth__submit-label,
.bv-auth__submit.is-loading .bi { display: none; }
.bv-auth__submit.is-loading .bv-spinner { display: inline-block; }

.bv-auth__footer { text-align: center; margin-top: var(--space-8); font-size: 0.72rem; color: var(--color-text-muted); }
.bv-auth__footer strong { color: var(--color-text-secondary); }

.bv-spinner {
    width: 22px; height: 22px;
    border: 3px solid rgba(11, 18, 32, 0.35);
    border-top-color: #0B1220;
    border-radius: 50%;
    animation: bv-spin 0.7s linear infinite;
}

/* ========================================================================== */
/* 20. GUEST LAYOUT                                                           */
/* ========================================================================== */

.bv-guest { min-height: 100vh; display: flex; flex-direction: column; }
.bv-guest__header {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
    display: flex; align-items: center; justify-content: space-between;
}
.bv-guest__brand { display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: 700; color: var(--color-primary-glow); }
.bv-guest__content { flex: 1; padding: var(--space-8) var(--space-6); max-width: var(--content-max-width); width: 100%; margin: 0 auto; }
.bv-guest__footer { padding: var(--space-4) var(--space-6); text-align: center; font-size: 0.75rem; color: var(--color-text-muted); border-top: 1px solid var(--color-border); }

/* ========================================================================== */
/* 21. MODULE PLACEHOLDER                                                     */
/* ========================================================================== */

.bv-module-placeholder { text-align: center; padding: var(--space-12) var(--space-6); }
.bv-module-placeholder__icon {
    width: 100px; height: 100px;
    background: var(--grad-orange-soft);
    color: var(--color-primary-glow);
    border: 1px solid rgba(255,122,0,0.2);
    border-radius: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 3rem; margin-bottom: var(--space-6);
    box-shadow: var(--glow-orange-soft);
}
.bv-module-placeholder__title { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; margin-bottom: var(--space-2); }
.bv-module-placeholder__message { color: var(--color-text-secondary); font-size: 0.9rem; }

/* ========================================================================== */
/* 22. QUICK ACTIONS                                                          */
/* ========================================================================== */

.bv-quick-actions { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--space-3); }
.bv-quick-action {
    position: relative;
    display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
    padding: var(--space-5) var(--space-3);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none; color: var(--color-text-secondary);
    transition: all var(--transition-base);
    text-align: center;
    overflow: hidden;
}
.bv-quick-action:hover {
    border-color: rgba(255, 122, 0, 0.4);
    background: var(--color-primary-light);
    color: var(--color-text-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), var(--glow-orange-soft);
}
.bv-quick-action__icon {
    width: 48px; height: 48px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: #0B1220;
    background: var(--grad-orange);
    box-shadow: var(--glow-orange-soft);
    transition: transform var(--transition-base);
}
.bv-quick-action:hover .bv-quick-action__icon { transform: scale(1.1) rotate(-4deg); }
.bv-quick-action span { font-size: 0.8rem; font-weight: 600; }
/* legacy plain icon fallback */
.bv-quick-action > i { font-size: 1.6rem; color: var(--color-primary-glow); }

/* ========================================================================== */
/* 23. FORM CONTROLS                                                          */
/* ========================================================================== */

.bv-form-label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-primary); margin-bottom: var(--space-2); }
.bv-form-label .required { color: var(--color-danger); }
.bv-form-control {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 11px var(--space-4);
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-primary);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.bv-form-control:focus {
    border-color: rgba(255, 122, 0, 0.6);
    box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.14);
    background: rgba(255, 255, 255, 0.06);
    outline: none;
}
.bv-form-control.is-invalid { border-color: var(--color-danger); }
.bv-form-error { font-size: 0.75rem; color: #FF8A8C; margin-top: var(--space-2); }

/* Floating label form groups with icons */
.bv-form-group { position: relative; margin-bottom: var(--space-4); }
.bv-form-group__field { position: relative; }
.bv-form-group__icon {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    z-index: 2; color: var(--color-text-muted); font-size: 1rem; pointer-events: none;
}
.bv-form-group .form-floating > .form-control,
.bv-form-group .form-floating > .form-select {
    padding-left: 2.75rem; min-height: 3.25rem;
}
.bv-form-group .form-floating > label { padding-left: 2.75rem; }
.bv-form-group .form-floating > textarea.form-control { min-height: 6.5rem; padding-top: 1.625rem; }
.bv-form-group.is-invalid .form-control,
.bv-form-group.is-invalid .form-select { border-color: var(--color-danger); }
.bv-form-group .required { color: var(--color-danger); }

/* Bootstrap form harmonisation */
.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    padding: 10px 14px;
}
.form-control::placeholder { color: var(--color-text-muted); }
.form-control:focus, .form-select:focus {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 122, 0, 0.6);
    box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.14);
    color: var(--color-text-primary);
}
[data-bs-theme="light"] .form-control, [data-bs-theme="light"] .form-select { background-color: #fff; }
[data-bs-theme="light"] .bv-form-control { background: #fff; }
.form-check-input { background-color: rgba(255,255,255,0.05); border-color: var(--color-border-strong); }
.form-check-input:checked { background-color: var(--color-primary); border-color: var(--color-primary); }
.form-label { color: var(--color-text-secondary); font-weight: 600; font-size: 0.8rem; }

/* ========================================================================== */
/* 24. NOTIFICATIONS                                                          */
/* ========================================================================== */

.bv-notifications { width: 380px; max-height: 440px; overflow-y: auto; }
.bv-notifications__item {
    display: flex; gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-base);
}
.bv-notifications__item:hover { background: rgba(255, 255, 255, 0.04); }
.bv-notifications__item.is-unread { background: var(--color-primary-light); }
.bv-notifications__icon {
    width: 40px; height: 40px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.05rem;
}
.bv-notifications__icon--info { background: rgba(0, 217, 255, 0.15); color: var(--bv-blue); }
.bv-notifications__icon--success { background: rgba(0, 208, 132, 0.15); color: var(--bv-green); }
.bv-notifications__icon--warning { background: rgba(252, 211, 77, 0.15); color: var(--bv-gold); }
.bv-notifications__text { font-size: 0.82rem; color: var(--color-text-primary); }
.bv-notifications__time { font-size: 0.72rem; color: var(--color-text-muted); margin-top: 2px; }

/* ========================================================================== */
/* 25. PROFILE                                                                */
/* ========================================================================== */

.bv-profile-header {
    display: flex; align-items: center; gap: var(--space-6);
    padding: var(--space-6);
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-sm);
}
.bv-profile-header__info h2 { margin: 0 0 var(--space-1); }
.bv-profile-header__meta { font-size: 0.9rem; color: var(--color-text-secondary); }

/* ========================================================================== */
/* 26. MODALS & DRAWERS harmonisation                                         */
/* ========================================================================== */

.modal-content {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    backdrop-filter: blur(24px) saturate(140%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-lg);
}
.modal-header, .modal-footer { border-color: var(--color-border); }
.modal-backdrop.show { opacity: 0.7; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }

/* ========================================================================== */
/* 27. SKELETON                                                               */
/* ========================================================================== */

.bv-skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.10) 50%, rgba(255,255,255,0.04) 75%);
    background-size: 200% 100%;
    animation: bv-skeleton-pulse 1.5s infinite;
    border-radius: 8px;
}
.bv-skeleton--text { height: 14px; margin-bottom: var(--space-2); }
.bv-skeleton--title { height: 24px; width: 60%; margin-bottom: var(--space-3); }
.bv-skeleton--avatar { width: 44px; height: 44px; border-radius: 50%; }

/* ========================================================================== */
/* 28. ANIMATIONS                                                             */
/* ========================================================================== */

@keyframes bv-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes bv-fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bv-slide-down { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bv-toast-slide-in { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
@keyframes bv-skeleton-pulse { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes bv-spin { to { transform: rotate(360deg); } }
@keyframes bv-gradient-pan { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes bv-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.97); }
}
@keyframes bv-auth-in { from { opacity: 0; transform: translateY(30px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes bv-pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 122, 0, 0.5); }
    50% { box-shadow: 0 0 0 8px rgba(255, 122, 0, 0); }
}

.bv-animate-fade-in { animation: bv-fade-in var(--transition-base); }
.bv-animate-fade-up { animation: bv-fade-up var(--transition-slow) both; }
.bv-animate-slide-down { animation: bv-slide-down 250ms ease; }
.bv-pulse { animation: bv-pulse-glow 2s infinite; }

/* Staggered entrance for grids */
.bv-stagger > * { animation: bv-fade-up var(--transition-slow) both; }
.bv-stagger > *:nth-child(1) { animation-delay: 40ms; }
.bv-stagger > *:nth-child(2) { animation-delay: 90ms; }
.bv-stagger > *:nth-child(3) { animation-delay: 140ms; }
.bv-stagger > *:nth-child(4) { animation-delay: 190ms; }
.bv-stagger > *:nth-child(5) { animation-delay: 240ms; }
.bv-stagger > *:nth-child(6) { animation-delay: 290ms; }
.bv-stagger > *:nth-child(7) { animation-delay: 340ms; }
.bv-stagger > *:nth-child(8) { animation-delay: 390ms; }

/* ========================================================================== */
/* 29. SWEETALERT2 THEME                                                      */
/* ========================================================================== */

.swal2-popup.bv-swal {
    font-family: var(--font-primary);
    border-radius: var(--radius-lg);
    background: var(--color-surface-solid);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}
.swal2-popup.bv-swal .swal2-title { font-size: 1.1rem; font-weight: 700; color: var(--color-text-primary); }
.swal2-popup.bv-swal .swal2-html-container { font-size: 0.875rem; color: var(--color-text-secondary); }

/* ========================================================================== */
/* 30. UTILITIES                                                              */
/* ========================================================================== */

[x-cloak] { display: none !important; }
[data-bs-theme="dark"] .theme-icon-light { display: inline-block !important; }
[data-bs-theme="dark"] .theme-icon-dark { display: none !important; }

.bv-divider { height: 1px; background: var(--color-border); margin: var(--space-4) 0; border: none; }

/* Bootstrap pagination harmonisation */
.pagination { gap: 4px; }
.page-link {
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm) !important;
    padding: 8px 13px;
    font-weight: 600;
    font-size: 0.82rem;
    transition: all var(--transition-fast);
}
.page-link:hover { background: var(--color-primary-light); color: var(--color-primary-glow); border-color: rgba(255,122,0,0.3); }
.page-item.active .page-link { background: var(--grad-orange); border-color: transparent; color: #0B1220; box-shadow: var(--glow-orange-soft); }
.page-item.disabled .page-link { background: transparent; color: var(--color-text-muted); opacity: 0.5; }
.bv-glass {
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    backdrop-filter: blur(16px) saturate(130%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* Bootstrap text colour harmonisation inside dark shell */
.text-muted { color: var(--color-text-muted) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }
.card { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text-primary); border-radius: var(--radius-lg); }
hr { border-color: var(--color-border); }
.table { color: var(--color-text-primary); --bs-table-bg: transparent; }
.table > :not(caption) > * > * { border-color: var(--color-border); }

/* ========================================================================== */
/* 31. RESPONSIVE                                                             */
/* ========================================================================== */

@media (max-width: 1279px) {
    .bv-admin__sidebar {
        top: 0; left: 0; bottom: 0;
        border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
        transform: translateX(-110%);
    }
    .bv-admin__sidebar.is-open { transform: translateX(0); }
    .bv-admin__main { margin-left: 0 !important; }
    .bv-admin__header { margin: var(--space-4) var(--space-4) 0; }
    .bv-admin__header-toggle { display: inline-flex; }
    .bv-admin__sidebar-backdrop {
        display: none; position: fixed; inset: 0;
        background: rgba(4, 8, 16, 0.6);
        -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
        z-index: 1035;
    }
    .bv-admin__sidebar-backdrop.is-visible { display: block; }
}

@media (max-width: 991px) {
    .bv-auth__shell { grid-template-columns: 1fr; max-width: 460px; }
    .bv-auth__aside { display: none; }
    .bv-auth__panel { padding: var(--space-10) var(--space-8); }
}

@media (max-width: 767px) {
    .bv-admin__content { padding: var(--space-4); }
    .bv-admin__header { padding: 0 var(--space-3); gap: var(--space-2); }
    .bv-admin__header-search, .bv-header-clock, .bv-session-pill { display: none; }
    .bv-page-header { flex-direction: column; align-items: stretch; }
    .bv-page-header__actions { justify-content: flex-start; }
    .bv-page-header__title { font-size: 1.5rem; }
    .bv-table-wrapper { overflow-x: auto; }
    .bv-stepper { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
    .bv-stepper__step { width: 100%; }
    .bv-stepper__connector { display: none; }
    .bv-auth__panel { padding: var(--space-8) var(--space-5); }
    .bv-profile-trigger__meta { display: none; }
}

@media (min-width: 1600px) {
    .bv-admin__content { max-width: var(--content-max-width); }
}