:root {
    --primary: #10b981;
    --bg-body: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --latin-color: #0369a1;
}

body.dark-mode {
    --bg-body: #020617;
    --card-bg: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #1e293b;
    --latin-color: #38bdf8;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    transition: 0.3s;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* ================= HEADER ================= */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0 25px 0;
}

.brand {
    display: flex;
    flex-direction: row;
    line-height: 1.2;
}

.brand h2 {
    margin: 0;
    font-weight: 800;
    font-size: 20px;
}

.brand span {
    color: var(--primary);
}

.brand p {
    margin: 2px 0 0 0;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.btn-tool {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 600;
}

.btn-tool.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ================= SEARCH ================= */

.search-wrapper {
    display: flex;
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
}

.search-wrapper input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-right: none;
    border-radius: 12px 0 0 12px;
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
}

.search-wrapper input:focus {
    border-color: var(--primary);
}

.search-wrapper button {
    background: var(--primary);
    border: none;
    padding: 0 20px;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    color: white;
    font-weight: 600;
}

/* ================= FILTER ================= */

.filter-box {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border);
    margin-bottom: 25px;
}

.form-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}

.form-group {
    flex: 1;
    min-width: 120px;
}

.form-group label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: uppercase;
}

select, input {
    width: 100%;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-body);
    color: var(--text-main);
    padding: 0 12px;
    font-size: 14px;
    outline: none;
}

.btn-open {
    height: 44px;
    width: 100%;
    background: var(--primary);
    color: white;
    font-weight: 700;
    cursor: pointer;
    border: none;
    border-radius: 10px;
}

/* ================= GRID SURAH ================= */

.surah-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.surah-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border);
    transition: 0.2s;
}

.surah-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.08);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
}

.surah-num {
    font-weight: 800;
    color: var(--primary);
    font-size: 18px;
}

.surah-name-ar {
    font-family: 'Amiri', serif;
    font-size: 24px;
    color: var(--primary);
}

.surah-meta {
    font-size: 15px;
    font-weight: 800;
}

.surah-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ================= MUSHAF VIEW ================= */

.mushaf-view {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--border);
}

.ayat-box {
    padding: 30px;
    border-bottom: 1px solid var(--border);
}

.verse-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--primary);
    color: white;
    font-size: 12px;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 15px;
}

.ar-text {
    font-family: 'Amiri', serif;
    font-size: 32px;
    text-align: right;
    direction: rtl;
    line-height: 2.4;
}

.lt-text {
    font-size: 16px;
    color: var(--latin-color);
    margin: 15px 0;
    font-weight: 500;
}

.id-text {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
    border-top: 1px solid var(--bg-body);
    padding-top: 15px;
}

body.hide-ar .ar-text,
body.hide-lt .lt-text,
body.hide-id .id-text {
    display: none;
}

/* ================= FOOTER ================= */

footer {
    margin-top: 50px;
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-text {
    font-size: 11px;
}

.footer-text b {
    color: var(--primary);
}

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

@media (max-width: 768px) {

    .container {
        padding: 15px;
    }

    header {
        align-items: center;
        gap: 10px;
    }

    .surah-grid {
        grid-template-columns: 1fr;
    }

    .surah-card {
        padding: 18px;
    }

    .surah-name-ar {
        font-size: 20px;
    }

    .surah-meta {
        font-size: 14px;
    }

    .ayat-box {
        padding: 18px;
    }

    .ar-text {
        font-size: 22px;
        line-height: 2;
    }

    .lt-text,
    .id-text {
        font-size: 14px;
    }

}

@media (max-width: 480px) {

    .container {
        padding: 12px;
    }

    .ar-text {
        font-size: 20px;
    }

}