/*
 * G4F shared theme.
 * Used by home.html, stats.html and the /providers page so that every
 * page of the dashboard shares the same look and feel.
 */

:root {
    --bg-main: #0c0a12;
    --bg-card: rgba(23, 19, 34, 0.75);
    --bg-card-hover: rgba(35, 29, 52, 0.9);
    --bg-elevated: rgba(15, 12, 23, 0.95);
    --border-card: rgba(139, 61, 255, 0.18);
    --border-hover: rgba(168, 85, 247, 0.5);
    --text-primary: #f3e8ff;
    --text-secondary: #a799c7;
    --text-muted: #6b5e8a;
    --accent: #8b3dff;
    --accent-light: #a855f7;
    --accent-glow: rgba(139, 61, 255, 0.4);
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --radius: 16px;
    --radius-sm: 10px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    background-image:
        radial-gradient(circle at 15% 15%, rgba(139, 61, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(168, 85, 247, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(15, 12, 25, 1) 0%, rgba(12, 10, 18, 1) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent-light);
}

/* ---------- Navigation bar ---------- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 2.5rem;
    background: rgba(12, 10, 18, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-card);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    box-shadow: 0 0 16px var(--accent-glow);
}

.brand-text,
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, #d8b4fe);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.925rem;
    transition: color 0.25s ease;
}

.nav-links a:hover {
    color: var(--accent-light);
}

.nav-links a.active {
    color: #fff;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
    font-size: 0.825rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* ---------- Layout ---------- */
.main-container {
    flex: 1;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2.5rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1,
.hero-title {
    font-size: 2.6rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #e9d5ff 50%, #c084fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.page-header p,
.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ---------- Cards ---------- */
.card,
.stat-card,
.chart-card,
.table-card,
.detail-card,
.provider-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover,
.chart-card:hover,
.table-card:hover,
.detail-card:hover,
.provider-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 12px 32px rgba(139, 61, 255, 0.2);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.25rem;
}

.section-title i {
    color: var(--accent-light);
}

/* ---------- Buttons ---------- */
.btn {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    border: 1px solid transparent;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
    color: #fff;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: none;
    color: #fff;
}

/* ---------- Form controls ---------- */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.controls label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.controls select,
.controls input[type="date"] {
    background: rgba(23, 19, 34, 0.85);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.85rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
}

.controls select:focus,
.controls input[type="date"]:focus {
    outline: none;
    border-color: var(--accent-light);
    box-shadow: 0 0 18px var(--accent-glow);
}

/* ---------- Footer ---------- */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: auto;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer a:hover {
    color: var(--accent-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .navbar { padding: 1rem 1.25rem; }
    .nav-links { gap: 1rem; }
    .nav-links a { font-size: 0.85rem; }
    .main-container { padding: 2rem 1.25rem; }
    .page-header h1, .hero-title { font-size: 2rem; }
}