/* =============================================================
   HEIMDALL CYBERSECURITY — DESIGN SYSTEM UNIFIED
   Dark Glassmorphism · v2.0
   ============================================================= */

/* --- Tokens --- */
:root {
    /* Surfaces */
    --bg-0: #05080f;
    --bg-1: #080d1a;
    --bg-2: #0c1428;
    --bg-3: #101a30;
    --bg-glass: rgba(12, 20, 40, .55);
    --bg-elevated: rgba(20, 28, 50, .65);
    --bg-glass-hover: rgba(20, 30, 55, .75);

    /* Brand */
    --accent: #10b981;
    --accent-2: #34d399;
    --accent-3: #6ee7b7;
    --accent-soft: rgba(16, 185, 129, .12);
    --accent-border: rgba(16, 185, 129, .28);
    --accent-glow: rgba(16, 185, 129, .35);
    --accent-deep: #065f46;

    /* WhatsApp */
    --wa: #25D366;
    --wa-dark: #128C7E;
    --wa-soft: rgba(37, 211, 102, .12);
    --wa-border: rgba(37, 211, 102, .28);

    /* Semantic */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Text */
    --text-0: #f8fafc;
    --text-1: #cbd5e1;
    --text-2: #64748b;
    --text-3: #334155;

    /* Borders */
    --border-1: rgba(255, 255, 255, .06);
    --border-2: rgba(255, 255, 255, .1);
    --border-focus: rgba(16, 185, 129, .5);

    /* Motion */
    --ease-out: cubic-bezier(.22, 1, .36, 1);
    --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
    --ease-smooth: cubic-bezier(.4, 0, .2, 1);
    --dur-fast: .2s;
    --dur: .4s;
    --dur-slow: .7s;

    /* Layout */
    --max-w: 1240px;
    --nav-h: 64px;
    --sidebar-w: 260px;
    --sidebar-w-collapsed: 72px;
    --r: 12px;
    --r-sm: 8px;
    --r-lg: 20px;
    --r-xl: 28px;

    /* Font */
    --f-sans: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
    --f-mono: 'JetBrains Mono', ui-monospace, monospace;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, .5);
    --shadow-glow: 0 0 60px -20px var(--accent-glow);
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
    font-family: var(--f-sans);
    background: var(--bg-0);
    color: var(--text-0);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-border); }

/* --- Container --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; position: relative; }

/* =============================================================
   AMBIENT BACKGROUND
   ============================================================= */
.ambient {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(16, 185, 129, .1), transparent 60%),
        radial-gradient(ellipse 60% 40% at 90% 100%, rgba(16, 185, 129, .05), transparent 60%),
        var(--bg-0);
}
.grid-bg {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background-image:
        linear-gradient(rgba(16, 185, 129, .03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, .03) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}

/* =============================================================
   ADMIN SIDEBAR
   ============================================================= */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: rgba(5, 8, 15, .92);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-right: 1px solid var(--border-1);
    z-index: 50;
    transition: width var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
    overflow: hidden;
    display: flex; flex-direction: column;
}

.sidebar-logo {
    display: flex; align-items: center; gap: 12px;
    padding: 20px;
    font-size: 16px; font-weight: 700;
    color: var(--text-0);
    border-bottom: 1px solid var(--border-1);
    min-height: 65px;
    flex-shrink: 0;
}
.sidebar-logo svg { flex-shrink: 0; }
.sidebar-logo span {
    white-space: nowrap;
    transition: opacity var(--dur) var(--ease-out);
}

.sidebar-nav {
    padding: 12px 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 20px;
    color: var(--text-2);
    font-size: 14px; font-weight: 500;
    border-left: 3px solid transparent;
    transition: all var(--dur-fast);
    position: relative;
}
.sidebar-nav a:hover {
    color: var(--accent-2);
    background: rgba(16, 185, 129, .06);
}
.sidebar-nav a.active {
    color: var(--accent-2);
    background: rgba(16, 185, 129, .1);
    border-left-color: var(--accent);
    font-weight: 600;
}
.sidebar-nav a i, .sidebar-nav a svg { width: 18px; text-align: center; flex-shrink: 0; }

/* Sidebar collapsed */
.sidebar.collapsed { width: var(--sidebar-w-collapsed); }
.sidebar.collapsed .sidebar-logo span { opacity: 0; pointer-events: none; }
.sidebar.collapsed .sidebar-nav a span { opacity: 0; pointer-events: none; width: 0; }
.sidebar.collapsed .sidebar-nav a { justify-content: center; padding: 11px; }
.sidebar.collapsed .sidebar-nav a::after {
    content: attr(title);
    position: absolute; left: calc(100% + 12px); top: 50%; transform: translateY(-50%);
    background: var(--bg-2); color: var(--text-0);
    padding: 6px 12px; border-radius: var(--r-sm);
    font-size: 12px; white-space: nowrap;
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur-fast);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-2);
    z-index: 100;
}
.sidebar.collapsed .sidebar-nav a:hover::after { opacity: 1; }
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-w-collapsed); }

/* =============================================================
   MAIN CONTENT AREA (Admin)
   ============================================================= */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    transition: margin-left var(--dur) var(--ease-out);
    display: flex; flex-direction: column;
}

/* =============================================================
   TOPBAR
   ============================================================= */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; height: var(--nav-h);
    background: rgba(8, 13, 26, .8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-1);
    position: sticky; top: 0; z-index: 40;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.topbar-left span {
    font-size: 13px; color: var(--text-2);
    font-family: var(--f-mono); letter-spacing: .3px;
}

/* =============================================================
   PAGE CONTENT
   ============================================================= */
.page-content { padding: 28px 32px; flex: 1; }

.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 28px; flex-wrap: wrap; gap: 12px;
}
.page-header h1 {
    margin: 0; font-size: 24px; font-weight: 700;
    letter-spacing: -.02em;
}

/* =============================================================
   GLASS CARD
   ============================================================= */
.card {
    background: linear-gradient(180deg, var(--bg-elevated), var(--bg-glass));
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    padding: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color var(--dur), box-shadow var(--dur), transform var(--dur) var(--ease-out);
}
.card:hover {
    border-color: var(--border-2);
}
.card-header {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; font-weight: 600;
    margin-bottom: 16px; color: var(--text-0);
}
.card-header i { color: var(--accent-2); font-size: 16px; }
.card-value {
    font-size: 36px; font-weight: 800; letter-spacing: -.03em;
    font-family: var(--f-mono);
    background: linear-gradient(135deg, #fff, var(--accent-3));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    text-align: center; padding: 28px 20px;
    position: relative; overflow: hidden;
}
.stat-card::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(300px circle at 50% 0%, rgba(16, 185, 129, .08), transparent 60%);
    opacity: 0; transition: opacity var(--dur);
}
.stat-card:hover::before { opacity: 1; }
.stat-card .stat-value { font-size: 32px; font-weight: 800; margin-bottom: 4px; }
.stat-card .stat-label {
    font-size: 12px; color: var(--text-2);
    text-transform: uppercase; letter-spacing: 1px;
    font-family: var(--f-mono);
}
.stat-card .stat-icon { font-size: 28px; margin-bottom: 10px; }

/* =============================================================
   BENTO CARD (for grids)
   ============================================================= */
.bento-card {
    position: relative; overflow: hidden;
    background: linear-gradient(180deg, var(--bg-elevated), var(--bg-glass));
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    padding: 28px;
    transition: transform var(--dur) var(--ease-out), border-color var(--dur), box-shadow var(--dur);
    display: flex; flex-direction: column;
}
.bento-card::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(400px circle at var(--cx, 50%) var(--cy, 50%), rgba(16, 185, 129, .08), transparent 40%);
    opacity: 0; transition: opacity var(--dur); pointer-events: none;
}
.bento-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
    box-shadow: 0 20px 50px -15px rgba(0, 0, 0, .6);
}
.bento-card:hover::before { opacity: 1; }

.bento-card .ico {
    width: 48px; height: 48px; border-radius: 14px;
    background: var(--accent-soft); border: 1px solid var(--accent-border);
    display: grid; place-items: center; color: var(--accent-2);
    margin-bottom: 18px; flex-shrink: 0;
    font-size: 1.3rem;
}
.bento-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; letter-spacing: -.01em; }
.bento-card p { color: var(--text-1); font-size: .88rem; line-height: 1.65; flex: 1; }

/* =============================================================
   FORMS
   ============================================================= */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 12px; font-weight: 600;
    color: var(--text-2); margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: .5px;
    font-family: var(--f-mono);
}

.form-control {
    width: 100%; padding: 11px 14px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--border-1);
    border-radius: var(--r-sm);
    color: var(--text-0);
    font-size: 14px; font-family: inherit;
    transition: border-color var(--dur-fast), background var(--dur-fast), box-shadow var(--dur-fast);
    outline: none;
}
.form-control:focus {
    border-color: var(--accent);
    background: rgba(16, 185, 129, .04);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, .12);
}
.form-control::placeholder { color: var(--text-3); }
select.form-control {
    appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
    padding-right: 36px;
}
select.form-control option { background: var(--bg-1); color: var(--text-0); }

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px;
    border-radius: var(--r-sm);
    font-size: 14px; font-weight: 600;
    font-family: inherit;
    transition: all var(--dur-fast) var(--ease-out);
    white-space: nowrap;
}
.btn i { font-size: 13px; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    color: #fff;
    box-shadow: 0 2px 12px -2px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px -2px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, .04);
    color: var(--text-0);
    border: 1px solid var(--border-2);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .2);
}

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }

.btn-danger {
    background: rgba(239, 68, 68, .15); color: var(--danger);
    border: 1px solid rgba(239, 68, 68, .25);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-ghost {
    background: transparent; color: var(--text-1);
    border: 1px solid transparent;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .04); color: var(--text-0); }

.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 6px; }
.btn-sm i { font-size: 11px; }

.btn-icon {
    width: 36px; height: 36px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--r-sm);
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border-1);
    color: var(--text-1);
    transition: all var(--dur-fast);
}
.btn-icon:hover {
    background: rgba(255, 255, 255, .08);
    color: var(--accent-2);
    border-color: var(--accent-border);
}

/* =============================================================
   TABLES
   ============================================================= */
.table-container { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
table th, table td {
    padding: 12px 16px; text-align: left;
    border-bottom: 1px solid var(--border-1);
    font-size: 14px;
}
table th {
    font-weight: 600; color: var(--text-2);
    font-size: 11px; text-transform: uppercase;
    letter-spacing: .8px; font-family: var(--f-mono);
}
table tbody tr { transition: background var(--dur-fast); }
table tbody tr:nth-child(even) { background: rgba(255, 255, 255, .015); }
table tbody tr:hover { background: rgba(16, 185, 129, .05); }

/* =============================================================
   BADGES
   ============================================================= */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .5px;
    font-family: var(--f-mono);
}
.badge-success { background: rgba(16, 185, 129, .15); color: var(--accent-2); border: 1px solid rgba(16, 185, 129, .25); }
.badge-warning { background: rgba(245, 158, 11, .15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, .25); }
.badge-danger { background: rgba(239, 68, 68, .15); color: #f87171; border: 1px solid rgba(239, 68, 68, .25); }
.badge-info { background: rgba(59, 130, 246, .15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, .25); }
.badge-neutral { background: rgba(255, 255, 255, .06); color: var(--text-2); border: 1px solid var(--border-1); }

/* =============================================================
   THEME TOGGLE
   ============================================================= */
.theme-toggle {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-1);
    color: var(--text-1);
    transition: all var(--dur-fast);
}
.theme-toggle:hover {
    background: rgba(255, 255, 255, .06);
    color: var(--accent-2);
    border-color: var(--accent-border);
}

/* =============================================================
   ALERTAS
   ============================================================= */
.alerta-item {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 14px 16px; border-radius: var(--r);
    margin-bottom: 8px; border-left: 3px solid transparent;
    transition: transform var(--dur-fast);
}
.alerta-item:hover { transform: translateX(3px); }
.alerta-item.warning { background: rgba(245, 158, 11, .08); border-left-color: var(--warning); }
.alerta-item.danger { background: rgba(239, 68, 68, .08); border-left-color: var(--danger); }
.alerta-item.success { background: rgba(16, 185, 129, .08); border-left-color: var(--success); }
.alerta-item.info { background: rgba(59, 130, 246, .08); border-left-color: var(--info); }
.alerta-item .alerta-icon { font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.alerta-item .alerta-text { flex: 1; }
.alerta-item .alerta-text strong { display: block; font-size: 13px; }
.alerta-item .alerta-text small { color: var(--text-2); font-size: 12px; }

/* =============================================================
   MODALS
   ============================================================= */
.modal-backdrop {
    display: none; position: fixed; inset: 0;
    background: rgba(0, 0, 0, .6);
    backdrop-filter: blur(4px);
    z-index: 100;
    align-items: center; justify-content: center;
}
.modal-backdrop.show { display: flex; }
.modal-content {
    background: linear-gradient(180deg, var(--bg-elevated), var(--bg-1));
    border: 1px solid var(--border-2);
    border-radius: var(--r-lg);
    padding: 28px;
    width: 100%; max-width: 500px;
    max-height: 90vh; overflow-y: auto;
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .8);
    animation: modalIn .3s var(--ease-out);
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(.97); }
    to { opacity: 1; transform: none; }
}
.modal-content h3 { margin: 0 0 18px 0; font-size: 18px; }

/* =============================================================
   UPLOAD AREA
   ============================================================= */
.upload-area {
    border: 2px dashed var(--border-2);
    border-radius: var(--r);
    padding: 32px; text-align: center;
    cursor: pointer; transition: all var(--dur-fast);
}
.upload-area:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

/* =============================================================
   PROGRESS BAR
   ============================================================= */
.progress-bar {
    height: 6px; border-radius: 100px;
    background: rgba(255, 255, 255, .06);
    overflow: hidden;
}
.progress-bar .progress-fill {
    height: 100%; border-radius: 100px;
    background: linear-gradient(90deg, var(--accent), var(--accent-3));
    transition: width .6s var(--ease-out);
}

/* =============================================================
   EMPTY STATE
   ============================================================= */
.empty-state {
    text-align: center; padding: 48px 24px;
    color: var(--text-2);
}
.empty-state i { font-size: 48px; color: var(--accent); margin-bottom: 16px; opacity: .6; }
.empty-state h3 { margin: 0 0 8px 0; color: var(--text-0); font-size: 16px; }
.empty-state p { margin: 0; font-size: 14px; }

/* =============================================================
   LANDING NAVBAR (shared)
   ============================================================= */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-h); z-index: 100;
    background: rgba(5, 8, 15, .7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.nav.scrolled { border-bottom-color: var(--border-1); background: rgba(5, 8, 15, .88); }
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-name { font-size: 1rem; }
.brand-name span { color: var(--text-2); font-weight: 500; margin-left: 4px; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
    padding: 8px 14px; border-radius: 8px;
    font-size: .88rem; font-weight: 500; color: var(--text-1);
    transition: color var(--dur-fast), background var(--dur-fast);
}
.nav-links a:hover { color: var(--text-0); background: rgba(255, 255, 255, .04); }

.nav-toggle {
    display: none; width: 40px; height: 40px;
    border-radius: var(--r-sm);
    background: rgba(255, 255, 255, .04);
    position: relative;
}
.nav-toggle span {
    position: absolute; left: 10px; right: 10px; height: 1.5px;
    background: var(--text-0);
    transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 23px; }
.nav-toggle.active span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

/* =============================================================
   PAGE HEADER (Landing subpages)
   ============================================================= */
.page { padding: calc(var(--nav-h) + 72px) 0 80px; }
.page-header-landing { text-align: center; margin-bottom: 56px; }
.page-header-landing h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700; line-height: 1.15;
    letter-spacing: -.02em; margin-bottom: 14px;
}
.page-header-landing h1 span {
    background: linear-gradient(135deg, #fff 20%, var(--accent-2) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-header-landing p {
    color: var(--text-1); font-size: 1.05rem;
    max-width: 620px; margin: 0 auto; line-height: 1.7;
}

/* =============================================================
   FILTER BAR
   ============================================================= */
.filter-bar {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 32px; flex-wrap: wrap;
}
.filter-bar .search-input {
    flex: 1; min-width: 200px;
    padding: 10px 14px 10px 40px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--border-1);
    border-radius: var(--r-sm);
    color: var(--text-0); font-size: 14px;
    transition: all var(--dur-fast);
}
.filter-bar .search-input:focus {
    border-color: var(--accent);
    background: rgba(16, 185, 129, .04);
    outline: none;
}
.filter-bar .search-wrap {
    position: relative; flex: 1; min-width: 200px;
}
.filter-bar .search-wrap i {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    color: var(--text-3); font-size: 14px; pointer-events: none;
}
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-chip {
    padding: 8px 16px; border-radius: 100px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border-1);
    font-size: 13px; font-weight: 500; color: var(--text-1);
    cursor: pointer; transition: all var(--dur-fast);
}
.filter-chip:hover { background: rgba(255, 255, 255, .08); color: var(--text-0); }
.filter-chip.active {
    background: var(--accent-soft); color: var(--accent-2);
    border-color: var(--accent-border);
}

/* =============================================================
   WHATSAPP FLOAT
   ============================================================= */
.wa-float {
    position: fixed; bottom: 24px; right: 24px; z-index: 1000;
    width: 58px; height: 58px;
    background: var(--wa); color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, .35);
    transition: transform .3s var(--ease-out), box-shadow .3s;
    animation: waFloat 3s ease-in-out infinite;
}
.wa-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, .5);
}
.wa-float svg { width: 30px; height: 30px; }
@keyframes waFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* =============================================================
   SCROLL REVEAL
   ============================================================= */
.reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * {
    opacity: 0; transform: translateY(20px);
    transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .1s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .15s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .2s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .25s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .3s; }

/* =============================================================
   COURSE CARD (Landing)
   ============================================================= */
.curso-card-lg {
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, var(--bg-elevated), var(--bg-glass));
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--dur) var(--ease-out), border-color var(--dur), box-shadow var(--dur);
    cursor: pointer;
    position: relative;
}
.curso-card-lg::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(400px circle at 50% 0%, rgba(16, 185, 129, .1), transparent 60%);
    opacity: 0; transition: opacity var(--dur);
}
.curso-card-lg:hover {
    transform: translateY(-6px);
    border-color: var(--accent-border);
    box-shadow: 0 20px 50px -15px rgba(0, 0, 0, .7);
}
.curso-card-lg:hover::before { opacity: 1; }

.curso-card-cover {
    height: 160px;
    background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
    display: grid; place-items: center;
    position: relative; overflow: hidden;
}
.curso-card-cover .cover-icon {
    font-size: 3rem; position: relative; z-index: 1;
    filter: drop-shadow(0 0 30px rgba(16, 185, 129, .2));
}
.curso-card-cover::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, var(--bg-elevated));
}

.curso-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; position: relative; z-index: 1; }

.curso-card-meta {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 12px;
}
.curso-card-meta .category {
    font-family: var(--f-mono); font-size: 10px; font-weight: 600;
    color: var(--accent-2); text-transform: uppercase;
    letter-spacing: 1px;
    padding: 3px 8px; border-radius: 4px;
    background: var(--accent-soft);
}
.curso-card-meta .level {
    font-size: 11px; color: var(--text-2);
}

.curso-card-lg h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; line-height: 1.3; }
.curso-card-lg .desc { font-size: .88rem; color: var(--text-1); line-height: 1.6; margin-bottom: 18px; flex: 1; }

.curso-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 14px; border-top: 1px solid var(--border-1);
}
.curso-card-footer .btn-wa-card {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 8px 16px; border-radius: 8px;
    background: var(--wa-soft); color: var(--wa);
    font-size: .82rem; font-weight: 600;
    border: 1px solid var(--wa-border);
    transition: all var(--dur-fast);
}
.curso-card-footer .btn-wa-card:hover {
    background: var(--wa); color: #fff; border-color: var(--wa);
    transform: translateY(-1px);
}

/* =============================================================
   RESPONSIVE — ADMIN
   ============================================================= */
@media (max-width: 1024px) {
    .sidebar { width: var(--sidebar-w-collapsed); }
    .sidebar .sidebar-logo span,
    .sidebar .sidebar-nav a span { opacity: 0; pointer-events: none; width: 0; }
    .sidebar .sidebar-nav a { justify-content: center; padding: 11px; }
    .main-content { margin-left: var(--sidebar-w-collapsed); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-w);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar .sidebar-logo span,
    .sidebar .sidebar-nav a span { opacity: 1; pointer-events: auto; width: auto; }
    .sidebar .sidebar-nav a { justify-content: flex-start; padding: 11px 20px; }
    .main-content { margin-left: 0; }
    .page-content { padding: 16px; }
    .card-grid { grid-template-columns: 1fr 1fr; }
    .topbar { padding: 0 16px; }
}

@media (max-width: 480px) {
    .card-grid { grid-template-columns: 1fr; }
}

/* =============================================================
   RESPONSIVE — LANDING
   ============================================================= */
@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 4px;
        padding: 20px;
        background: rgba(5, 8, 15, .96);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-1);
        transform: translateY(-120%); opacity: 0; pointer-events: none;
        transition: transform var(--dur) var(--ease-out), opacity var(--dur);
    }
    .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
    .nav-links a { padding: 14px 16px; border-radius: var(--r-sm); }
    .nav-toggle { display: block; }
    .filter-bar { flex-direction: column; align-items: stretch; }
}