:root {
    --bg-body: #020617;
    --bg-sidebar: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.65);
    --bg-hover: rgba(99, 102, 241, 0.08);
    --bg-input: rgba(2, 6, 23, 0.6);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.35);
    --accent-grad-start: #6366f1;
    --accent-grad-end: #a855f7;

    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    --border: rgba(148, 163, 184, 0.12);
    --border-focus: rgba(99, 102, 241, 0.5);

    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;

    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.4), 0 8px 10px -6px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================================================
   Layout
   ================================================================ */
.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 270px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0; top: 0;
    z-index: 1000;
    transition: transform var(--transition-slow);
    backdrop-filter: blur(20px);
}

.sidebar-brand {
    padding: 1.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.02em;
}

.sidebar-brand i {
    background: linear-gradient(135deg, var(--accent-grad-start), var(--accent-grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.6rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1.25rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.85rem 1.1rem;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-grad-start), var(--accent-grad-end));
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transform: scaleY(0.6);
    transition: all var(--transition-fast);
}

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

.nav-link:hover::before {
    opacity: 0.5;
    transform: scaleY(1);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.08));
    color: var(--accent-light);
    box-shadow: 0 0 24px rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.2);
}

.nav-link.active::before {
    opacity: 1;
    transform: scaleY(1);
}

.nav-link i {
    width: 22px;
    text-align: center;
    font-size: 1.05rem;
    transition: transform var(--transition-fast);
}

.nav-link:hover i {
    transform: scale(1.1);
}

.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid var(--border);
}

/* Main */
.main {
    flex: 1;
    margin-left: 270px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}

/* Topbar */
.topbar {
    height: 70px;
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    gap: 1.25rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.6rem;
    border-radius: 10px;
    transition: background var(--transition-fast);
}

.menu-toggle:hover { background: var(--bg-hover); }

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    flex: 1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.credit-badge {
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.1));
    border: 1px solid rgba(99,102,241,0.2);
    color: var(--accent-light);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 0 20px rgba(99,102,241,0.1);
    transition: all var(--transition-fast);
}

.credit-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(99,102,241,0.2);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.35rem 0.75rem 0.35rem 0.35rem;
    border-radius: 999px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.user-menu:hover {
    border-color: rgba(99,102,241,0.3);
    box-shadow: 0 0 20px rgba(99,102,241,0.1);
}

.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-grad-start), var(--accent-grad-end));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
    box-shadow: 0 0 12px rgba(99,102,241,0.3);
}

.user-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Content */
.content {
    padding: 2rem;
    flex: 1;
}

/* ================================================================
   Cards & Glassmorphism
   ================================================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    backdrop-filter: blur(16px) saturate(1.2);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

.card:hover {
    border-color: rgba(99,102,241,0.25);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    gap: 1rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* ================================================================
   Grid
   ================================================================ */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* ================================================================
   Stats
   ================================================================ */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--glow-color, var(--accent)), transparent);
    opacity: 0.6;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(99,102,241,0.25);
}

.stat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    position: relative;
    flex-shrink: 0;
    box-shadow: 0 4px 15px var(--glow-color, rgba(99,102,241,0.3));
}

.stat-icon.purple { --glow-color: rgba(99,102,241,0.35); background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.stat-icon.green  { --glow-color: rgba(34,197,94,0.35); background: linear-gradient(135deg, #22c55e, #10b981); }
.stat-icon.orange { --glow-color: rgba(245,158,11,0.35); background: linear-gradient(135deg, #f59e0b, #f97316); }
.stat-icon.blue   { --glow-color: rgba(59,130,246,0.35); background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.stat-icon.red    { --glow-color: rgba(239,68,68,0.35); background: linear-gradient(135deg, #ef4444, #f43f5e); }
.stat-icon.yellow { --glow-color: rgba(234,179,8,0.35); background: linear-gradient(135deg, #eab308, #ca8a04); }
.stat-icon.grey   { --glow-color: rgba(100,116,139,0.35); background: linear-gradient(135deg, #64748b, #94a3b8); }
.stat-icon.teal   { --glow-color: rgba(20,184,166,0.35); background: linear-gradient(135deg, #14b8a6, #06b6d4); }
.stat-icon.pink   { --glow-color: rgba(236,72,153,0.35); background: linear-gradient(135deg, #ec4899, #d946ef); }

.stat-info h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.stat-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    font-weight: 500;
}

/* ================================================================
   Buttons
   ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.65rem 1.3rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s;
}

.btn:hover::after {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-grad-start), var(--accent-grad-end));
    color: #fff;
    box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.45);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(99,102,241,0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #f43f5e);
    color: #fff;
    box-shadow: 0 4px 20px rgba(239,68,68,0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(239,68,68,0.4);
}

.btn-success {
    background: linear-gradient(135deg, #22c55e, #10b981);
    color: #fff;
    box-shadow: 0 4px 20px rgba(34,197,94,0.3);
}

.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; border-radius: 10px; }
.btn-lg { padding: 0.85rem 1.8rem; font-size: 1rem; border-radius: 14px; }

/* ================================================================
   Forms
   ================================================================ */
.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.45rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.92rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow), 0 0 20px rgba(99,102,241,0.1);
    background: rgba(2, 6, 23, 0.8);
}

.form-input::placeholder { color: var(--text-muted); }

.form-textarea { resize: vertical; min-height: 100px; }

/* Toggle switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border);
    border-radius: 26px;
    transition: var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px; width: 20px;
    left: 3px; bottom: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--accent-grad-start), var(--accent-grad-end));
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: #fff;
}

/* ================================================================
   Tables
   ================================================================ */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.87rem;
}

.table th {
    text-align: left;
    padding: 0.85rem 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(2,6,23,0.4);
}

.table td {
    padding: 0.95rem 1.1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.table tbody tr:hover td {
    background: var(--bg-hover);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ================================================================
   Badges
   ================================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: capitalize;
    letter-spacing: 0.02em;
}

.badge-success { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.badge-danger  { background: rgba(239,68,68,0.12); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
.badge-warning { background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.badge-info    { background: rgba(59,130,246,0.12); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.badge-purple  { background: rgba(139,92,246,0.12); color: #a78bfa; border: 1px solid rgba(139,92,246,0.2); }
.badge-secondary { background: rgba(148,163,184,0.1); color: #94a3b8; border: 1px solid rgba(148,163,184,0.15); }
.badge-primary   { background: rgba(99,102,241,0.12); color: #818cf8; border: 1px solid rgba(99,102,241,0.2); }

/* ================================================================
   Flash / Toast
   ================================================================ */
.flash-container {
    position: fixed;
    top: 90px;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    max-width: 400px;
    pointer-events: none;
}

.flash {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.88rem;
    box-shadow: var(--shadow-lg);
    animation: toastSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(16px);
    pointer-events: auto;
}

.flash-success { border-left-color: var(--success); }
.flash-error   { border-left-color: var(--danger); }
.flash-warning { border-left-color: var(--warning); }

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}

.flash-close:hover { color: var(--text-primary); background: var(--bg-hover); }

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(40px) scale(0.96); }
    to   { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastSlideOut {
    from { opacity: 1; transform: translateX(0) scale(1); }
    to   { opacity: 0; transform: translateX(40px) scale(0.96); }
}

/* ================================================================
   Auth pages
   ================================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.18), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(168,85,247,0.1), transparent),
        radial-gradient(ellipse 50% 30% at 20% 100%, rgba(59,130,246,0.08), transparent),
        var(--bg-body);
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    backdrop-filter: blur(24px) saturate(1.3);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.auth-card .brand {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-card .brand i {
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--accent-grad-start), var(--accent-grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.6rem;
    display: inline-block;
}

.auth-card .brand h2 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.auth-card .brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.35rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.87rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.auth-footer a:hover { opacity: 0.8; text-decoration: underline; }

/* ================================================================
   Empty state
   ================================================================ */
.empty-state {
    text-align: center;
    padding: 3.5rem 1.5rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0.25;
}

.empty-state p { font-size: 0.9rem; }

/* ================================================================
   Progress / Skeleton
   ================================================================ */
.skeleton {
    background: linear-gradient(90deg, rgba(148,163,184,0.08) 25%, rgba(148,163,184,0.15) 50%, rgba(148,163,184,0.08) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: 8px;
}

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

/* ================================================================
   Animations
   ================================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: 8px 0 40px rgba(0,0,0,0.5);
    }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .menu-toggle { display: block; }
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
    .topbar { padding: 0 1rem; }
    .content { padding: 1.25rem; }
    .topbar-actions .user-name { display: none; }
    .flash-container { right: 1rem; left: 1rem; max-width: none; }
    .auth-card { padding: 1.75rem; }
}

/* ================================================================
   Scrollbar
   ================================================================ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148,163,184,0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,0.3); }

/* ================================================================
   Utilities
   ================================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-muted { color: var(--text-muted); }
.text-gradient {
    background: linear-gradient(135deg, var(--accent-light), #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* Divider */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 1.5rem 0;
}

/* Code block */
code {
    background: rgba(99,102,241,0.1);
    color: var(--accent-light);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.85em;
    border: 1px solid rgba(99,102,241,0.15);
}

/* Action tile (dashboard quick links) */
.action-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    background: rgba(2,6,23,0.4);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem 0.75rem;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}
.action-tile::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.action-tile:hover {
    background: var(--bg-hover);
    border-color: rgba(99,102,241,0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.action-tile:hover::before {
    opacity: 0.6;
}
.action-tile .action-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}
.action-tile .action-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Tooltip hint */
.hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}