/* ========================================================================
   APEX Premium Dark Theme
   Inspired by the Lake/Prime design language.
   Dark-first, glass-morphic, enterprise-grade.

   Activate: Add class="apex-premium" to <body> or set data-theme="premium"
   ======================================================================== */


/* ========================================
   1. PREMIUM COLOR TOKENS
   ======================================== */

:root {
    /* Surface stack (darkest → lightest) */
    --premium-surface-0: #090d1a;
    --premium-surface-1: #0c1224;
    --premium-surface-2: #111827;
    --premium-surface-3: #1a2236;

    /* Text hierarchy */
    --premium-text: #f1f5f9;
    --premium-text-muted: #94a3b8;
    --premium-text-dim: #64748b;

    /* Accent: cyan → blue spectrum */
    --premium-accent: #06b6d4;
    --premium-accent-glow: rgba(6, 182, 212, 0.25);
    --premium-secondary: #8b5cf6;
    --premium-secondary-glow: rgba(139, 92, 246, 0.2);

    /* Status */
    --premium-success: #22c55e;
    --premium-warning: #f59e0b;
    --premium-danger: #ef4444;
    --premium-info: #3b82f6;

    /* Borders & surfaces */
    --premium-border: rgba(255, 255, 255, 0.06);
    --premium-border-hover: rgba(255, 255, 255, 0.12);
    --premium-glass-bg: linear-gradient(135deg, rgba(17, 24, 39, 0.8), rgba(26, 34, 54, 0.4));
    --premium-glass-border: rgba(255, 255, 255, 0.05);
    --premium-blur: blur(20px);

    /* Shadows */
    --premium-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --premium-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --premium-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --premium-shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);

    /* Radius */
    --premium-radius: 12px;
    --premium-radius-lg: 16px;
}


/* ========================================
   2. BASE — BODY & LAYOUT
   ======================================== */

.apex-premium,
[data-theme="premium"] {
    background: var(--premium-surface-0);
    color: var(--premium-text);
}

.apex-premium .apex-layout {
    background: var(--premium-surface-0);
}

/* Animated background orbs (subtle) */
.apex-premium .apex-main::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 600px 600px at 15% 20%, rgba(6, 182, 212, 0.06), transparent 70%),
        radial-gradient(ellipse 500px 500px at 85% 80%, rgba(139, 92, 246, 0.04), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.apex-premium .apex-main > * {
    position: relative;
    z-index: 1;
}

/* Grid pattern overlay */
.apex-premium .apex-main::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
    pointer-events: none;
    z-index: 0;
}


/* ========================================
   3. SIDEBAR — DARK GLASS
   ======================================== */

.apex-premium .apex-sidebar-modern {
    background: var(--premium-surface-1);
    border-right: 1px solid var(--premium-border);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
}

.apex-premium .sidebar-brand-name {
    color: var(--premium-text);
}

.apex-premium .sidebar-brand-sub {
    color: var(--premium-text-dim);
}

.apex-premium .sidebar-toggle {
    background: var(--premium-surface-2);
    border-color: var(--premium-border);
    color: var(--premium-text-muted);
}

.apex-premium .nav-link-modern {
    color: var(--premium-text-dim);
}

.apex-premium .nav-link-modern:hover {
    color: var(--premium-text);
    background: rgba(255, 255, 255, 0.04);
}

.apex-premium .nav-link-modern.active {
    color: var(--premium-accent);
    background: rgba(6, 182, 212, 0.08);
}

.apex-premium .nav-link-modern.active .nav-icon-modern {
    background: rgba(6, 182, 212, 0.12);
    color: var(--premium-accent);
}

.apex-premium .nav-icon-modern {
    background: rgba(255, 255, 255, 0.04);
    color: var(--premium-text-dim);
}

.apex-premium .nav-section-header {
    color: var(--premium-text-dim);
}

.apex-premium .sidebar-footer-modern {
    border-top-color: var(--premium-border);
}

.apex-premium .footer-user-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--premium-border);
}

.apex-premium .footer-user-name {
    color: var(--premium-text);
}

.apex-premium .footer-user-role {
    color: var(--premium-text-dim);
}

.apex-premium .hipaa-badge {
    color: var(--premium-text-dim);
}


/* ========================================
   4. TOP BAR — GLASS
   ======================================== */

.apex-premium .apex-unified-topbar,
.apex-premium .apex-header {
    background: rgba(12, 18, 36, 0.85);
    backdrop-filter: var(--premium-blur);
    -webkit-backdrop-filter: var(--premium-blur);
    border-bottom: 1px solid var(--premium-border);
}

.apex-premium .topbar-search-form,
.apex-premium .header-search .search-input {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--premium-border);
    color: var(--premium-text);
}

.apex-premium .topbar-search-form:focus-within,
.apex-premium .header-search .search-input:focus {
    border-color: var(--premium-accent);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
    background: rgba(255, 255, 255, 0.06);
}

.apex-premium .topbar-search-icon,
.apex-premium .header-search .search-icon {
    color: var(--premium-text-dim);
}

.apex-premium .topbar-search-input::placeholder,
.apex-premium .header-search .search-input::placeholder {
    color: var(--premium-text-dim);
}

.apex-premium .topbar-icon-btn,
.apex-premium .header-btn {
    color: var(--premium-text-muted);
}

.apex-premium .topbar-icon-btn:hover,
.apex-premium .header-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--premium-text);
}

.apex-premium .topbar-env-pill,
.apex-premium .header-env-pill {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--premium-border);
    color: var(--premium-accent);
}

.apex-premium .topbar-user-name,
.apex-premium .user-header-name {
    color: var(--premium-text);
}

.apex-premium .topbar-user-role,
.apex-premium .user-header-role {
    color: var(--premium-text-dim);
}

.apex-premium .topbar-user-chip:hover,
.apex-premium .user-header-profile:hover {
    background: rgba(255, 255, 255, 0.04);
}


/* ========================================
   5. CARDS — GLASS MORPHISM
   ======================================== */

.apex-premium .apex-card,
.apex-premium .card {
    background: var(--premium-glass-bg);
    backdrop-filter: var(--premium-blur);
    -webkit-backdrop-filter: var(--premium-blur);
    border: 1px solid var(--premium-glass-border);
    border-radius: var(--premium-radius);
    box-shadow: var(--premium-shadow-sm);
    color: var(--premium-text);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.apex-premium .apex-card:hover,
.apex-premium .card:hover {
    border-color: var(--premium-border-hover);
    box-shadow: var(--premium-shadow-md);
}

.apex-premium .apex-card-header {
    border-bottom: 1px solid var(--premium-border);
}

.apex-premium .apex-card-title {
    color: var(--premium-text);
}

.apex-premium .apex-card-subtitle {
    color: var(--premium-text-muted);
}

/* Stat cards */
.apex-premium .apex-stat-card {
    background: var(--premium-glass-bg);
    backdrop-filter: var(--premium-blur);
    -webkit-backdrop-filter: var(--premium-blur);
    border: 1px solid var(--premium-glass-border);
    border-radius: var(--premium-radius);
}

.apex-premium .apex-stat-card:hover {
    border-color: var(--premium-border-hover);
    box-shadow: var(--premium-shadow-md), var(--premium-shadow-glow);
    transform: translateY(-2px);
}


/* ========================================
   6. GRADIENT TEXT
   ======================================== */

.apex-premium .gradient-text,
.apex-premium .main-dash-title,
.apex-premium h1 {
    background: linear-gradient(135deg, var(--premium-accent), var(--premium-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Reset for elements that shouldn't have gradient */
.apex-premium .apex-card h1,
.apex-premium .modal h1,
.apex-premium .dropdown h1 {
    background: none;
    -webkit-text-fill-color: var(--premium-text);
}


/* ========================================
   7. TABLES
   ======================================== */

.apex-premium .table {
    color: var(--premium-text);
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
    --bs-table-hover-bg: rgba(6, 182, 212, 0.04);
}

.apex-premium .table thead th {
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--premium-border);
    color: var(--premium-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.apex-premium .table td {
    border-bottom: 1px solid var(--premium-border);
}


/* ========================================
   8. FORMS
   ======================================== */

.apex-premium .form-control,
.apex-premium .form-select,
.apex-premium .modern-input {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--premium-border);
    color: var(--premium-text);
    border-radius: var(--premium-radius);
}

.apex-premium .form-control:focus,
.apex-premium .form-select:focus,
.apex-premium .modern-input:focus {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--premium-accent);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
    color: var(--premium-text);
}

.apex-premium .form-control::placeholder,
.apex-premium .modern-input::placeholder {
    color: var(--premium-text-dim);
}

.apex-premium .form-label {
    color: var(--premium-text-muted);
}


/* ========================================
   9. BUTTONS
   ======================================== */

.apex-premium .btn-primary {
    background: linear-gradient(135deg, var(--premium-accent), #0891b2);
    border: none;
    color: var(--premium-surface-0);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.25);
}

.apex-premium .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.35);
    transform: translateY(-1px);
}

.apex-premium .btn-outline-primary {
    border-color: var(--premium-accent);
    color: var(--premium-accent);
    background: transparent;
}

.apex-premium .btn-outline-primary:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--premium-accent);
    color: var(--premium-accent);
}

.apex-premium .btn-outline-secondary {
    border-color: var(--premium-border);
    color: var(--premium-text-muted);
}

.apex-premium .btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--premium-text);
}


/* ========================================
   10. BADGES & STATUS
   ======================================== */

.apex-premium .badge.bg-primary {
    background: rgba(6, 182, 212, 0.15) !important;
    color: var(--premium-accent);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.apex-premium .badge.bg-success {
    background: rgba(34, 197, 94, 0.15) !important;
    color: var(--premium-success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.apex-premium .badge.bg-warning {
    background: rgba(245, 158, 11, 0.15) !important;
    color: var(--premium-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.apex-premium .badge.bg-danger {
    background: rgba(239, 68, 68, 0.15) !important;
    color: var(--premium-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.apex-premium .badge.bg-info {
    background: rgba(59, 130, 246, 0.15) !important;
    color: var(--premium-info);
    border: 1px solid rgba(59, 130, 246, 0.2);
}


/* ========================================
   11. ALERTS
   ======================================== */

.apex-premium .apex-alert,
.apex-premium .alert {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--premium-border);
    color: var(--premium-text);
    backdrop-filter: blur(8px);
}

.apex-premium .apex-alert-success,
.apex-premium .alert-success {
    border-color: rgba(34, 197, 94, 0.2);
    background: rgba(34, 197, 94, 0.06);
}

.apex-premium .apex-alert-error,
.apex-premium .alert-danger {
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(239, 68, 68, 0.06);
}


/* ========================================
   12. DROPDOWNS & MODALS
   ======================================== */

.apex-premium .dropdown-menu {
    background: var(--premium-surface-2);
    border: 1px solid var(--premium-border);
    box-shadow: var(--premium-shadow-lg);
    backdrop-filter: var(--premium-blur);
}

.apex-premium .dropdown-item {
    color: var(--premium-text-muted);
}

.apex-premium .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--premium-text);
}

.apex-premium .dropdown-item.text-danger {
    color: var(--premium-danger);
}

.apex-premium .dropdown-divider {
    border-color: var(--premium-border);
}

.apex-premium .dropdown-header {
    color: var(--premium-text-dim);
}

.apex-premium .modal-content {
    background: var(--premium-surface-1);
    border: 1px solid var(--premium-border);
    color: var(--premium-text);
}

.apex-premium .modal-header {
    border-bottom-color: var(--premium-border);
}

.apex-premium .modal-footer {
    border-top-color: var(--premium-border);
}


/* ========================================
   13. COMPLIANCE FOOTER
   ======================================== */

.apex-premium .apex-unified-footer {
    background: rgba(9, 13, 26, 0.95);
    border-top: 1px solid var(--premium-border);
}

.apex-premium .footer-badge {
    background: rgba(6, 182, 212, 0.08);
    color: var(--premium-accent);
    border: 1px solid rgba(6, 182, 212, 0.15);
}

.apex-premium .footer-meta {
    color: var(--premium-text-dim);
}

/* Compliance pill badges (Lake-style) */
.compliance-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.compliance-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 99px;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
}


/* ========================================
   14. SCROLLBAR
   ======================================== */

.apex-premium ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.apex-premium ::-webkit-scrollbar-track {
    background: transparent;
}

.apex-premium ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.apex-premium ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}


/* ========================================
   15. MISC OVERRIDES
   ======================================== */

.apex-premium .text-muted {
    color: var(--premium-text-muted) !important;
}

.apex-premium .border-bottom {
    border-color: var(--premium-border) !important;
}

.apex-premium a {
    color: var(--premium-accent);
}

.apex-premium a:hover {
    color: #22d3ee;
}

.apex-premium .breadcrumb-item a {
    color: var(--premium-text-dim);
}

.apex-premium .breadcrumb-item.active {
    color: var(--premium-text-muted);
}

.apex-premium .page-link {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--premium-border);
    color: var(--premium-text-muted);
}

.apex-premium .page-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--premium-text);
}

.apex-premium .page-item.active .page-link {
    background: var(--premium-accent);
    border-color: var(--premium-accent);
    color: var(--premium-surface-0);
}

/* Skeleton loading dark mode */
.apex-premium .skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.03) 25%,
        rgba(255, 255, 255, 0.06) 50%,
        rgba(255, 255, 255, 0.03) 75%
    );
    background-size: 800px 100%;
}


/* ========================================
   16. RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .apex-premium .apex-main::before,
    .apex-premium .apex-main::after {
        display: none; /* Remove background effects on mobile for performance */
    }
}


/* ========================================
   17. REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .apex-premium .apex-main::before {
        animation: none;
    }
}


/* Page transition animation */
@keyframes pageEnter {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    @keyframes pageEnter {
        from { opacity: 1; }
        to   { opacity: 1; }
    }
}
