/* Base & Resets */
:root {
    --bg-color: #f4f9f4;
    --dark-green: #1a4d2e;
    --light-green: #4f6f52;
    --gold: #b58500;
    --gold-light: #fceea7;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --card-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
}

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

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Shapes */
.bg-shape {
    position: absolute;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.6;
    animation: float 10s ease-in-out infinite alternate;
}

.shape-1 {
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: var(--gold-light);
    border-radius: 50%;
}

.shape-2 {
    bottom: -100px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: rgba(79, 111, 82, 0.2);
    border-radius: 50%;
    animation-delay: -5s;
}

@keyframes float {
    0%   { transform: translateY(0px) scale(1); }
    100% { transform: translateY(50px) scale(1.05); }
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    position: relative;
    z-index: 1;
}

.main-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 900px) {
    .main-layout {
        flex-direction: row;
    }
    .content-area {
        flex: 1;
    }
    .sidebar {
        width: 300px;
        flex-shrink: 0;
    }
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

@media (min-width: 900px) {
    .header { text-align: right; }
}

.header-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.text-gold { color: var(--gold); }

.title {
    font-family: 'Amiri', serif;
    font-size: 2.5rem;
    color: var(--dark-green);
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .title { font-size: 3rem; }
}

.subtitle {
    font-size: 1.05rem;
    color: var(--light-green);
    line-height: 1.7;
    max-width: 700px;
}

/* Glass Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    padding: 1.5rem;
}

/* Search Form */
.search-form {
    margin-bottom: 2rem;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.search-input-wrapper:focus-within {
    border-color: var(--light-green);
    box-shadow: 0 4px 20px rgba(79, 111, 82, 0.15);
}

.search-input-wrapper input {
    width: 100%;
    border: none;
    background: transparent;
    padding: 1.2rem 1.2rem 1.2rem 4rem;
    font-size: 1.1rem;
    font-family: inherit;
    outline: none;
    color: var(--text-primary);
}

.search-btn {
    position: absolute;
    left: 0.5rem;
    background: var(--dark-green);
    color: white;
    border: none;
    border-radius: 0.8rem;
    padding: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.search-btn:hover:not(:disabled) {
    background: var(--light-green);
    transform: scale(1.05);
}

.search-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Spinner */
.spinner { animation: spin 1s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* Error & Messages */
.error-msg {
    margin-top: 1rem;
    padding: 1rem;
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #f87171;
    border-radius: 0.5rem;
}

.no-results {
    text-align: center;
    padding: 3rem 1rem;
    background: #fff;
    border-radius: 1rem;
    color: var(--text-secondary);
    font-size: 1.2rem;
    border: 1px dashed #ccc;
}

.hidden { display: none !important; }

/* Results Container */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Sidebar setting group */
.setting-group {
    margin-bottom: 1.75rem;
}

.setting-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.slider {
    width: 100%;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--dark-green);
    cursor: pointer;
    transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ── Ayah Card ── */
.ayah-card {
    background: linear-gradient(145deg, #ffffff, rgba(252, 238, 167, 0.12));
    border-radius: 1.5rem;
    padding: 3rem 2.5rem 2rem;
    text-align: center;
    border: 1px solid rgba(181, 133, 0, 0.25);
    box-shadow: 0 8px 40px rgba(26, 77, 46, 0.08);
    position: relative;
    overflow: hidden;
}

/* Top accent bar */
.ayah-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--dark-green), var(--gold), var(--dark-green));
}

.ayah-rank {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--dark-green);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cairo', sans-serif;
}

.ayah-ornament-top,
.ayah-ornament-bottom {
    font-family: 'Amiri', serif;
    font-size: 2.5rem;
    color: var(--gold);
    opacity: 0.5;
    line-height: 1;
    user-select: none;
}

.ayah-ornament-top  { margin-bottom: 0.5rem; }
.ayah-ornament-bottom { margin-top: 0.5rem; }

.ayah-text {
    font-family: 'Amiri', serif;
    font-size: 2rem;
    line-height: 2.6;
    color: var(--dark-green);
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .ayah-text { font-size: 2.3rem; }
}

.ayah-reference {
    margin-top: 1.75rem;
    display: flex;
    justify-content: center;
}

/* Badge */
.badge {
    padding: 0.3rem 0.9rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.badge-ayah {
    background: rgba(26, 77, 46, 0.08);
    color: var(--dark-green);
    border: 1px solid rgba(26, 77, 46, 0.15);
    font-family: 'Cairo', sans-serif;
}

/* Sidebar */
.sidebar-content {
    position: sticky;
    top: 2rem;
}

.sidebar-title {
    font-size: 1.2rem;
    color: var(--dark-green);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.sidebar-subtitle {
    font-size: 1rem;
    color: var(--dark-green);
    margin: 1.5rem 0 0.75rem;
}

.how-list {
    padding-right: 1.2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.9;
}

.books-list {
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.books-list li {
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.dot.easy    { background: #4ade80; }
.dot.medium  { background: #60a5fa; }
.dot.hard    { background: #fb923c; }
.dot.extreme { background: #f87171; }

.footer-credit {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    font-size: 0.8rem;
    color: #9ca3af;
    text-align: center;
}

/* Animations */
.animate-fade-in-up {
    animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}