/* ===== kullshi.app - Shared Dark Theme ===== */

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0f1a;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --bg-input: #0d1321;
    --border-subtle: #1e2a3a;
    --border-accent: #3b82f6;
    --text-primary: #f0f4f8;
    --text-secondary: #8899aa;
    --text-muted: #556677;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --accent-glow: rgba(59,130,246,0.15);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16,185,129,0.15);
    --accent-amber: #f59e0b;
    --accent-amber-glow: rgba(245,158,11,0.15);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239,68,68,0.15);
    --accent-purple: #8b5cf6;
    --font-en: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
    --font-ar: 'Cairo','Inter',-apple-system,sans-serif;
    --radius: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3),0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --transition: 0.2s ease;
}

/* --- Base --- */
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-en);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
body.rtl { font-family: var(--font-ar); direction: rtl; }

a { color: var(--accent-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Container --- */
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* --- Topbar --- */
.topbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10,15,26,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 0;
}
.topbar .container {
    display: flex; align-items: center; justify-content: space-between;
}
.logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 20px; font-weight: 800;
    color: var(--text-primary); text-decoration: none;
}
.logo-icon {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-purple));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}
.logo-dot { color: var(--accent); }
.topbar-actions { display: flex; align-items: center; gap: 8px; }

/* --- Language Toggle --- */
.lang-toggle {
    display: flex; gap: 2px;
    background: var(--bg-card);
    border-radius: var(--radius-xs);
    padding: 2px;
    border: 1px solid var(--border-subtle);
}
.lang-btn {
    padding: 4px 12px;
    font-size: 12px; font-weight: 600;
    border: none; border-radius: 4px;
    cursor: pointer;
    background: transparent; color: var(--text-muted);
    transition: var(--transition);
}
.lang-btn.active {
    background: var(--accent);
    color: #fff;
}

/* --- Desktop Nav --- */
.desktop-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.desktop-nav::-webkit-scrollbar { display: none; }
.desktop-nav .container {
    display: flex; gap: 4px; padding: 8px 20px;
    white-space: nowrap;
}
.nav-pill {
    padding: 6px 14px;
    font-size: 13px; font-weight: 600;
    color: var(--text-secondary);
    border-radius: 20px;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}
.nav-pill:hover { color: var(--text-primary); background: var(--bg-card-hover); text-decoration: none; }
.nav-pill.active { color: var(--accent); background: var(--accent-glow); }

/* --- Bottom Nav (Mobile) --- */
.bottom-nav {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: rgba(17,24,39,0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-subtle);
    z-index: 100;
    padding: 6px 0 env(safe-area-inset-bottom, 6px);
}
.bottom-nav-items {
    display: flex; justify-content: space-around;
}
.bottom-nav-item {
    display: flex; flex-direction: column; align-items: center;
    gap: 2px; padding: 6px 8px;
    font-size: 10px; font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}
.bottom-nav-item:hover, .bottom-nav-item.active { color: var(--accent); text-decoration: none; }
.bottom-nav-icon { font-size: 20px; }

/* --- Hero --- */
.hero {
    padding: 48px 0 32px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 60%);
}
.hero h1 {
    font-size: 36px; font-weight: 800;
    line-height: 1.2; margin-bottom: 12px;
}
.hero h1 .brand { color: var(--accent); }
.hero .subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px; margin: 0 auto;
}

/* --- Tool Grid --- */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    padding: 24px 0 40px;
}
.tool-card {
    display: flex; flex-direction: column; align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.3s, transform 0.2s, box-shadow 0.3s;
    cursor: pointer;
}
.tool-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}
.tool-icon { font-size: 36px; margin-bottom: 12px; }
.tool-name { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.tool-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }

/* --- Card (Tool Page) --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 28px 24px;
    margin-bottom: 20px;
}
.card-title {
    font-size: 20px; font-weight: 700;
    margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
}
.card-title .card-icon { font-size: 24px; }

/* --- Form Elements --- */
.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 13px; font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.field input, .field select {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px; font-weight: 500;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: border-color var(--transition);
    font-family: inherit;
}
.field input:focus, .field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.field select { cursor: pointer; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }

/* --- Toggle Switch --- */
.toggle-group {
    display: flex; gap: 2px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 3px;
    border: 1px solid var(--border-subtle);
}
.toggle-btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 13px; font-weight: 600;
    border: none; border-radius: 6px;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
    transition: var(--transition);
    font-family: inherit;
}
.toggle-btn.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

/* --- Result Display --- */
.result-box {
    background: var(--accent-glow);
    border: 1px solid rgba(59,130,246,0.25);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    text-align: center;
    margin-top: 20px;
}
.result-label {
    font-size: 13px; font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.result-value {
    font-size: 28px; font-weight: 800;
    color: var(--accent-light);
}
.result-sub {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* --- Button --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px;
    font-size: 15px; font-weight: 600;
    border: none; border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-light); }
.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-swap {
    width: 44px; height: 44px; padding: 0;
    border-radius: 50%;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.btn-swap:hover { border-color: var(--accent); color: var(--accent); }

/* --- Breadcrumb --- */
.breadcrumb {
    padding: 16px 0 8px;
    font-size: 13px;
    color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb span { margin: 0 6px; }

/* --- SEO Block --- */
.seo-section {
    padding: 40px 0;
    border-top: 1px solid var(--border-subtle);
}
.seo-block { max-width: 720px; margin: 0 auto; }
.seo-block h2 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.seo-block h3 { font-size: 17px; font-weight: 700; margin: 20px 0 8px; color: var(--text-secondary); }
.seo-block p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px; }

/* --- Ad Slot --- */
.ad-slot {
    padding: 16px 0; text-align: center; min-height: 100px;
    background: var(--bg-card);
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-sm);
    margin: 16px 0;
    display: flex; align-items: center; justify-content: center;
}
.ad-slot::before {
    content: 'Ad';
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    opacity: 0.4;
}
.ad-slot:has(.adsbygoogle[data-ad-status="filled"]) { background: none; border: none; }
.ad-slot:has(.adsbygoogle[data-ad-status="filled"])::before { display: none; }

/* --- Footer --- */
.footer {
    padding: 24px 0;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 13px;
}
.footer a { color: var(--accent-light); }
.footer-links { margin-top: 8px; }
.footer-links a { margin: 0 8px; }

/* --- Color Utility Classes --- */
.text-green { color: var(--accent-green); }
.text-amber { color: var(--accent-amber); }
.text-red { color: var(--accent-red); }
.bg-green-glow { background: var(--accent-green-glow); border-color: rgba(16,185,129,0.25); }
.bg-amber-glow { background: var(--accent-amber-glow); border-color: rgba(245,158,11,0.25); }
.bg-red-glow { background: var(--accent-red-glow); border-color: rgba(239,68,68,0.25); }

/* --- Prayer Time Card --- */
.prayer-card {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    transition: var(--transition);
}
.prayer-card.active {
    background: var(--accent-glow);
    border-color: rgba(59,130,246,0.3);
}
.prayer-name { font-size: 15px; font-weight: 600; }
.prayer-time { font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* --- Countdown --- */
.countdown-display {
    display: flex; justify-content: center; gap: 16px;
    padding: 24px 0;
}
.countdown-unit {
    text-align: center;
}
.countdown-value {
    font-size: 42px; font-weight: 800;
    color: var(--accent-light);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}
.countdown-label {
    font-size: 12px; font-weight: 600;
    color: var(--text-muted);
    margin-top: 6px;
}

/* --- BMI Gauge --- */
.bmi-gauge {
    height: 12px;
    background: linear-gradient(to right, #3b82f6, #10b981, #f59e0b, #f97316, #ef4444, #991b1b);
    border-radius: 6px;
    position: relative;
    margin: 20px 0 12px;
}
.bmi-marker {
    width: 4px; height: 20px;
    background: #fff;
    border-radius: 2px;
    position: absolute; top: -4px;
    transition: left 0.4s ease;
    box-shadow: 0 0 6px rgba(255,255,255,0.5);
}

/* --- Zakat Tabs --- */
.zakat-tabs {
    display: flex; gap: 4px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 20px;
    scrollbar-width: none;
}
.zakat-tabs::-webkit-scrollbar { display: none; }
.zakat-tab {
    padding: 8px 16px;
    font-size: 13px; font-weight: 600;
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    font-family: inherit;
}
.zakat-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* --- Table --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th, .data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-subtle);
    text-align: start;
}
.data-table th {
    font-size: 12px; font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}
.data-table tr:last-child td { border-bottom: none; }

/* ===== RESPONSIVE ===== */

@media (max-width: 1024px) {
    .tool-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
    .hero { padding: 32px 0 20px; }
    .hero h1 { font-size: 26px; }
    .hero .subtitle { font-size: 14px; }
    .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .tool-card { padding: 18px 12px; }
    .tool-icon { font-size: 28px; margin-bottom: 8px; }
    .tool-name { font-size: 13px; }
    .tool-desc { font-size: 11px; }
    .card { padding: 20px 16px; }
    .card-title { font-size: 18px; }
    .field-row { flex-direction: column; gap: 0; }
    .result-value { font-size: 24px; }
    .countdown-value { font-size: 32px; }
    .countdown-display { gap: 10px; }
    .container { padding: 0 14px; }
    .desktop-nav { display: none; }
    .bottom-nav { display: block; }
    body { padding-bottom: 68px; }
    .seo-block h2 { font-size: 18px; }
}

@media (max-width: 380px) {
    .tool-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 22px; }
}