/*
 * LithoExpert - Classification Lithiasique
 * By Dr. KALONJI Tshisekedi Anaclet
 * Developed by: Aisance KALONJI
 *
 * myoneart.css - Système de design MyOneArt v2
 * Clean, modern, simplified — max 2 levels of visual nesting
 */

/* ========================================
   DESIGN TOKENS
   ======================================== */
:root {
    /* Primary */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #e0e7ff;
    --primary-bg: #f5f5ff;

    /* Semantic colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --success-border: #6ee7b7;

    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --danger-border: #fca5a5;

    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --warning-border: #fcd34d;

    --info: #3b82f6;
    --info-bg: #dbeafe;
    --info-text: #1e3a8a;
    --info-border: #93c5fd;

    /* Typography */
    --text-heading: #0f172a;
    --text-body: #374151;
    --text-muted: #6b7280;
    --text-subtle: #9ca3af;

    /* Surfaces */
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #f1f5f9;

    /* Borders */
    --border: #e5e7eb;
    --border-light: #f3f4f6;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-color: 0 4px 16px rgba(99,102,241,0.15);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Sidebar */
    --sidebar-width: 260px;

    /* Legacy aliases (keep for compatibility with other templates) */
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --primary-color: #6366f1;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --purple-color: #8b5cf6;
    --indigo-color: #6366f1;
    --gray-text: #6b7280;
    --gray-dark: #374151;
    --gray-border: #e5e7eb;
    --gray-light: #f8fafc;
    --card-bg: #ffffff;
    --heading-color: #0f172a;
    --purple-bg: rgba(139,92,246,0.08);
    --indigo-bg: rgba(99,102,241,0.08);
    --purple-border: #8b5cf6;
    --indigo-border: #6366f1;
    --success-bg-alpha: rgba(16,185,129,0.08);
    --danger-bg-alpha: rgba(239,68,68,0.08);
    --info-bg-alpha: rgba(59,130,246,0.08);

    /* Glass (kept for modals and login) */
    --glass-bg: rgba(255,255,255,0.85);
    --glass-bg-strong: rgba(255,255,255,0.96);
    --glass-border: rgba(255,255,255,0.7);
    --glass-border-subtle: rgba(255,255,255,0.45);
    --glass-shadow: 0 8px 32px rgba(99,102,241,0.08), 0 2px 8px rgba(0,0,0,0.04);
    --glass-shadow-hover: 0 16px 48px rgba(99,102,241,0.14), 0 4px 16px rgba(0,0,0,0.06);
    --glass-blur: blur(12px);
    --glass-blur-strong: blur(20px);

    /* Background */
    --bg-gradient: linear-gradient(135deg, #f0f4ff 0%, #ede9fe 40%, #f5f3ff 70%, #f0f9ff 100%);
}

/* ========================================
   DARK MODE
   ======================================== */
.dark-mode {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #1a1040 70%, #0f172a 100%);
    --surface: #1e293b;
    --surface-2: #0f172a;
    --surface-3: #334155;
    --border: #334155;
    --border-light: #1e293b;
    --text-heading: #f1f5f9;
    --text-body: #cbd5e1;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --card-bg: #1e293b;
    --heading-color: #f1f5f9;
    --gray-text: #cbd5e1;
    --gray-dark: #f1f5f9;
    --gray-border: #334155;
    --gray-light: #0f172a;
    --primary-color: #818cf8;
    --primary: #818cf8;
    --primary-bg: rgba(99,102,241,0.15);
    --primary-light: rgba(99,102,241,0.2);
    --glass-bg: rgba(30,41,59,0.85);
    --glass-bg-strong: rgba(15,23,42,0.95);
    --glass-border: rgba(99,102,241,0.2);
    --glass-border-subtle: rgba(255,255,255,0.06);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 2px 8px rgba(0,0,0,0.2);
    --glass-shadow-hover: 0 16px 48px rgba(0,0,0,0.5), 0 4px 16px rgba(99,102,241,0.15);
    --success-bg: rgba(16,185,129,0.15);
    --success-text: #6ee7b7;
    --danger-bg: rgba(239,68,68,0.15);
    --danger-text: #fca5a5;
    --warning-bg: rgba(245,158,11,0.15);
    --warning-text: #fcd34d;
    --info-bg: rgba(59,130,246,0.15);
    --info-text: #93c5fd;
    --purple-bg: rgba(139,92,246,0.15);
    --indigo-bg: rgba(99,102,241,0.15);
}

/* ========================================
   BASE
   ======================================== */
* { box-sizing: border-box; }

body {
    background: var(--surface-2);
    color: var(--text-body);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-feature-settings: 'cv11', 'ss01';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
}

a { text-decoration: none; }

.page-bg {
    background: var(--bg-gradient);
}

.gradient-bg {
    background: var(--primary-gradient);
}

.gradient-text {
    background: var(--primary-gradient);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* ========================================
   LAYOUT — PAGE HEADER (flat, no card wrapper)
   ======================================== */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-header-sub {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.page-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ========================================
   SECTION HEADER (inside a page-section)
   ======================================== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   CARDS — clean white surface
   ======================================== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dark-mode .card {
    background: var(--surface);
    border-color: var(--border);
}

/* Login card keeps glass effect */
.card-login {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow-hover);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

/* ========================================
   PAGE SECTION — flat section inside a page (replaces card-in-card)
   ======================================== */
.page-section {
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.dark-mode .page-section {
    background: rgba(30,41,59,0.6);
    border-color: var(--border);
}

/* ========================================
   KPI CARDS — dashboard stat cards
   ======================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

@media (max-width: 1280px) { .kpi-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .kpi-grid { grid-template-columns: 1fr; } }

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-color);
}

.dark-mode .kpi-card {
    background: var(--surface);
    border-color: var(--border);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-icon svg, .kpi-icon i { width: 22px; height: 22px; }

.kpi-blue   { background: #dbeafe; color: #1d4ed8; }
.kpi-green  { background: #d1fae5; color: #059669; }
.kpi-purple { background: #ede9fe; color: #7c3aed; }
.kpi-amber  { background: #fef3c7; color: #d97706; }
.kpi-orange { background: #ffedd5; color: #ea580c; }
.kpi-cyan   { background: #cffafe; color: #0891b2; }
.kpi-red    { background: #fee2e2; color: #dc2626; }

.dark-mode .kpi-blue   { background: rgba(29,78,216,0.2);  color: #93c5fd; }
.dark-mode .kpi-green  { background: rgba(5,150,105,0.2);  color: #6ee7b7; }
.dark-mode .kpi-purple { background: rgba(124,58,237,0.2); color: #c4b5fd; }
.dark-mode .kpi-amber  { background: rgba(217,119,6,0.2);  color: #fcd34d; }
.dark-mode .kpi-orange { background: rgba(234,88,12,0.2);  color: #fdba74; }
.dark-mode .kpi-cyan   { background: rgba(8,145,178,0.2);  color: #67e8f9; }
.dark-mode .kpi-red    { background: rgba(220,38,38,0.2);  color: #fca5a5; }

.kpi-value {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1;
}

.kpi-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

/* ========================================
   PATIENT CARD
   ======================================== */
.patient-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.patient-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-color);
    transform: translateY(-1px);
}

.dark-mode .patient-card {
    background: var(--surface);
    border-color: var(--border);
}

/* ========================================
   EPISODE CARD
   ======================================== */
.episode-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    cursor: pointer;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: rgba(99,102,241,0.1);
    touch-action: manipulation;
}

.episode-card:hover, .episode-card:active {
    box-shadow: var(--shadow-color);
    transform: translateY(-1px);
}

.dark-mode .episode-card {
    background: var(--surface);
    border-color: var(--border);
    border-left-color: var(--primary);
}

/* ========================================
   INFO ROWS
   ======================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (max-width: 640px) { .info-grid { grid-template-columns: 1fr; } }

.info-row {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    padding: 0.625rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
}

.dark-mode .info-row {
    background: rgba(30,41,59,0.5);
    border-color: var(--border);
}

.info-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.info-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-heading);
}

/* ========================================
   OBJECTIVES LIST
   ======================================== */
.objectives-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.objectives-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--text-body);
    line-height: 1.5;
}

.objectives-list li i {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 10px;
    border: 1.5px solid transparent;
    background: transparent;
    transition: all 0.2s ease;
    cursor: pointer;
    gap: 0.375rem;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(99,102,241,0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(99,102,241,0.35);
}

.btn-secondary {
    border-color: var(--border);
    color: var(--text-body);
    background: var(--surface);
}

.btn-secondary:hover {
    background: var(--surface-3);
    border-color: var(--text-muted);
    transform: translateY(-1px);
}

.dark-mode .btn-secondary {
    background: var(--surface-3);
    border-color: var(--border);
    color: var(--text-body);
}

.btn-success {
    border-color: var(--success);
    color: var(--success);
}

.btn-success:hover {
    background: var(--success-bg);
    transform: translateY(-1px);
}

.btn-danger {
    border-color: var(--danger);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-bg);
    transform: translateY(-1px);
}

.btn-purple {
    border-color: var(--purple-color);
    color: var(--purple-color);
}

.btn-purple:hover {
    background: var(--purple-bg);
    transform: translateY(-1px);
}

.btn-close {
    width: auto;
    padding: 0.4rem 0.875rem;
}

/* ========================================
   INPUTS
   ======================================== */
.input-field {
    display: block;
    width: 100%;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border);
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    background: var(--surface);
    color: var(--text-body);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-xs);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12), var(--shadow-xs);
}

.dark-mode .input-field {
    background: rgba(30,41,59,0.7);
    border-color: var(--border);
    color: var(--text-body);
}

.dark-mode .input-field:focus {
    background: rgba(30,41,59,0.9);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}

/* ========================================
   BADGES
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: transform 0.2s ease;
}

.badge:hover { transform: scale(1.04); }

.badge-info {
    background: var(--info-bg);
    color: var(--info-text);
    border: 1px solid var(--info-border);
}

.badge-success {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid var(--danger-border);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid var(--warning-border);
}

.dark-mode .badge-info    { color: #93c5fd; border-color: rgba(59,130,246,0.3); }
.dark-mode .badge-success { color: #6ee7b7; border-color: rgba(16,185,129,0.3); }
.dark-mode .badge-danger  { color: #fca5a5; border-color: rgba(239,68,68,0.3);  }
.dark-mode .badge-warning { color: #fcd34d; border-color: rgba(245,158,11,0.3); }

/* ========================================
   MODALS
   ======================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 60;
    animation: backdropIn 0.2s ease-out;
}

@keyframes backdropIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 48rem;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dark-mode .modal-content {
    background: #1e293b;
    border-color: var(--border);
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.95) translateY(12px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

.modal-md { max-width: 48rem; }
.modal-lg { max-width: 72rem; }
.modal-sm { max-width: 40rem; }

/* ========================================
   ALERTS
   ======================================== */
.alert-error {
    background: var(--danger-bg);
    border: 1.5px solid var(--danger-border);
    color: var(--danger-text);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
}

.alert-warning {
    background: var(--warning-bg);
    border: 1.5px solid var(--warning-border);
    color: var(--warning-text);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
}

.dark-mode .alert-error   { color: #fca5a5; }
.dark-mode .alert-warning { color: #fcd34d; }

/* ========================================
   NAVIGATION — SIDEBAR
   ======================================== */
#sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    backdrop-filter: none;
}

.dark-mode #sidebar {
    background: #1e293b;
    border-right-color: var(--border);
}

.mobile-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.dark-mode .mobile-header {
    background: #1e293b;
    border-bottom-color: var(--border);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.875rem;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all 0.18s ease;
    margin-bottom: 0.125rem;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.nav-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
    transform: translateX(2px);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    border-left: 3px solid var(--primary);
    padding-left: calc(0.875rem - 3px);
    border-color: transparent;
    border-left-color: var(--primary);
}

.dark-mode .nav-item:hover {
    background: rgba(99,102,241,0.12);
    color: #a5b4fc;
}

.dark-mode .nav-item.active {
    background: rgba(99,102,241,0.18);
    color: #a5b4fc;
    border-left-color: #818cf8;
}

.glass-backdrop {
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* ========================================
   TABLES
   ======================================== */
table.data-table {
    width: 100%;
    border-collapse: collapse;
}

table.data-table thead {
    background: var(--surface-2);
}

.dark-mode table.data-table thead {
    background: rgba(51,65,85,0.7);
}

table.data-table th {
    padding: 0.75rem;
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.dark-mode table.data-table th { color: var(--text-heading); }

table.data-table tbody { background: var(--surface); }

table.data-table tr {
    border-bottom: 1px solid var(--border-light);
    transition: background 0.15s;
}

table.data-table tbody tr:hover { background: var(--primary-bg); }
.dark-mode table.data-table tbody tr:hover { background: rgba(99,102,241,0.06); }

table.data-table td {
    padding: 0.875rem 0.75rem;
    font-size: 0.875rem;
    color: var(--text-body);
}

table.data-table td.primary {
    font-weight: 600;
    color: var(--text-heading);
}

table.data-table a { color: var(--primary); font-weight: 600; }
table.data-table a:hover { color: var(--primary-dark); }

/* ========================================
   LEGACY / COMPATIBILITY CLASSES
   ======================================== */

/* info-card kept for other templates */
.info-card {
    border: 1.5px dashed var(--primary);
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
}

.default-access-card {
    padding: 1rem;
    background: var(--primary-bg);
    border: 1.5px dashed var(--primary);
    border-radius: var(--radius-md);
}

/* inference result */
.inference-container {
    border: 1.5px dashed var(--purple-border);
    background: var(--purple-bg);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.dark-mode .inference-container {
    background: rgba(139,92,246,0.08);
    border-color: rgba(139,92,246,0.25);
}

.inference-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-summary {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* hamburger (legacy for other pages) */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 100;
}
.hamburger-btn span {
    display: block; width: 100%; height: 3px;
    background-color: white; border-radius: 3px; transition: all 0.3s ease;
}
.hamburger-btn.active span:nth-child(1) { transform: rotate(45deg) translate(8px, 8px); }
.hamburger-btn.active span:nth-child(2) { opacity: 0; }
.hamburger-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

.nav-menu {
    display: flex; align-items: center; gap: 1.5rem;
}

/* utility shadows */
.shadow-sm  { box-shadow: var(--shadow-sm) !important; }
.shadow-md  { box-shadow: var(--shadow-md) !important; }
.shadow-lg  { box-shadow: var(--shadow-lg) !important; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

/* ========================================
   ANIMATIONS & MICRO-INTERACTIONS
   ======================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.97); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position:  200% center; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

main > .container > * {
    animation: fadeInUp 0.4s ease-out both;
}
main > .container > *:nth-child(2) { animation-delay: 0.05s; }
main > .container > *:nth-child(3) { animation-delay: 0.10s; }
main > .container > *:nth-child(4) { animation-delay: 0.15s; }

.kpi-card { animation: fadeInScale 0.35s ease-out both; }
.fade-in  { animation: fadeIn 0.5s ease-out; }

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
.dark-mode ::-webkit-scrollbar-thumb { background: #334155; }
.dark-mode ::-webkit-scrollbar-thumb:hover { background: #475569; }

#sidebar nav::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.15); }
#sidebar nav::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.25); }

/* ========================================
   DARK MODE — TAILWIND OVERRIDES (compatibility)
   ======================================== */
.dark-mode .bg-gradient-to-br,
.dark-mode .bg-gradient-to-r  { background: var(--surface) !important; border: 1px solid var(--border); }
.dark-mode .text-gray-600  { color: #9ca3af !important; }
.dark-mode .text-gray-700  { color: #d1d5db !important; }
.dark-mode .text-gray-800  { color: #f3f4f6 !important; }
.dark-mode .text-gray-900  { color: #f9fafb !important; }
.dark-mode .text-indigo-600 { color: #818cf8 !important; }
.dark-mode .text-indigo-900 { color: #c7d2fe !important; }
.dark-mode .text-blue-800   { color: #93c5fd !important; }
.dark-mode .text-blue-900   { color: #bfdbfe !important; }
.dark-mode .text-green-600  { color: #34d399 !important; }
.dark-mode .text-purple-600 { color: #a78bfa !important; }
.dark-mode .text-amber-600  { color: #fbbf24 !important; }
.dark-mode .text-orange-600 { color: #fb923c !important; }
.dark-mode .text-red-700    { color: #fca5a5 !important; }
.dark-mode .text-cyan-600   { color: #67e8f9 !important; }

.dark-mode .bg-gray-50   { background: rgba(30,41,59,0.5) !important; }
.dark-mode .bg-blue-50   { background: rgba(59,130,246,0.08) !important; }
.dark-mode .bg-indigo-50 { background: rgba(99,102,241,0.08) !important; }
.dark-mode .bg-purple-50 { background: rgba(139,92,246,0.08) !important; }
.dark-mode .bg-red-50    { background: rgba(239,68,68,0.08) !important; }
.dark-mode .bg-cyan-50   { background: rgba(8,145,178,0.08) !important; }

.dark-mode .border-gray-200 { border-color: var(--border) !important; }
.dark-mode .border-blue-200 { border-color: rgba(59,130,246,0.25) !important; }
.dark-mode .border-red-200  { border-color: rgba(239,68,68,0.25) !important; }

.dark-mode .bg-white { background: var(--surface) !important; }

/* ========================================
   RESPONSIVE — TABLETS & MOBILE
   ======================================== */
@media (max-width: 1024px) {
    .hamburger-btn { display: flex; z-index: 100; }

    .nav-menu {
        position: fixed; top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
        flex-direction: column; align-items: flex-start;
        padding: 5rem 2rem 2rem; gap: 0.5rem;
        box-shadow: -5px 0 20px rgba(0,0,0,0.25);
        transition: right 0.3s ease-in-out; z-index: 99; overflow-y: auto;
    }
    .nav-menu.active { right: 0; }
    .nav-menu a {
        width: 100%; font-size: 1rem; padding: 0.875rem;
        background: rgba(255,255,255,0.1); border-radius: var(--radius-sm);
        border: 1px solid rgba(255,255,255,0.15); text-align: left; transition: all 0.2s ease;
    }
    .nav-menu a:hover { background: rgba(255,255,255,0.18); transform: translateX(4px); }

    .page-header { flex-direction: column; }
    .page-header-actions { width: 100%; justify-content: flex-start; }

    .card { padding: 1.25rem; border-radius: var(--radius-md); }

    .card .flex.justify-between .flex.gap-3 {
        flex-direction: column; gap: 0.75rem !important; width: 100%;
    }
    .card .flex.justify-between .flex.gap-3 button {
        width: 100%; justify-content: center; padding: 0.75rem 1rem !important; font-size: 0.875rem;
    }

    .modal-content { max-width: 90vw; margin: 1rem; max-height: 85vh; }
    .modal-lg { max-width: 90vw; }
    .modal-md { max-width: 85vw; }
    .modal-sm { max-width: 80vw; }

    .modal-content .grid.grid-cols-2,
    .modal-content .grid.grid-cols-3 { grid-template-columns: 1fr !important; }

    .episode-card { padding: 1rem; }
    .episode-card .flex.justify-between { flex-direction: column; gap: 0.75rem; }
    .episode-card .flex.gap-2 { flex-direction: column; gap: 0.5rem !important; width: 100%; }
    .episode-card .flex.gap-2 button { width: 100%; }

    .grid.grid-cols-2,
    .grid.grid-cols-3,
    .grid.grid-cols-4,
    .grid.grid-cols-5,
    .grid.grid-cols-6 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
}

@media (max-width: 768px) {
    .nav-menu { width: 260px; padding: 4.5rem 1.5rem 1.5rem; }
    .nav-menu a { font-size: 0.95rem; padding: 0.8rem; }
    .grid { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
    .modal-content, .modal-lg, .modal-md, .modal-sm {
        max-width: 95vw; max-height: 90vh; margin: 0.5rem;
    }
    .btn { width: 100%; justify-content: center; }
    h2 { font-size: 1.25rem !important; }
    h3 { font-size: 1.125rem !important; }
    .card { padding: 1rem; border-radius: var(--radius-md); }
    .p-6 { padding: 1rem !important; }
    .px-6 { padding-left: 0.75rem !important; padding-right: 0.75rem !important; }
    .space-y-6 > * + * { margin-top: 1rem !important; }
}

/* ========================================
   HIGH-RES MODAL z-index
   ======================================== */
@media (min-width: 1024px) {
    .modal-backdrop { z-index: 60; }
}