/* Al-Salwa Enhanced - Quranic Food Encyclopedia */
/* Warm Minimalist Design with 30+ Foods */

:root {
    --color-bg: #FAF9F7;
    --color-accent: #4A6C48;
    --color-accent-hover: #3D5A3C;
    --color-text: #1A1A1A;
    --color-text-light: #666666;
    --color-border: #E5E5E5;
    --color-card: #FFFFFF;
    --color-wisdom: #F5F4F2;
    --color-quran: #2D5A4A;
    --color-sunnah: #8B6914;
    --font-en: 'Inter', -apple-system, sans-serif;
    --font-ar: 'Noto Sans Arabic', 'Segoe UI', sans-serif;
    --shadow: 0 4px 16px rgba(26, 26, 26, 0.06);
    --shadow-hover: 0 8px 24px rgba(26, 26, 26, 0.1);
    --radius: 12px;
    --radius-lg: 16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-en);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

html[dir="rtl"] body { font-family: var(--font-ar); line-height: 1.8; }
.hidden { display: none !important; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--color-text);
}

.logo-icon { width: 36px; height: 36px; color: var(--color-accent); }
.logo-text { font-size: 1.25rem; font-weight: 700; }
.logo-arabic { font-size: 0.875rem; color: var(--color-text-light); font-family: var(--font-ar); }

.header-actions { display: flex; gap: 8px; }

.filter-toggle, .lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.filter-toggle:hover, .lang-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-toggle svg { width: 16px; height: 16px; }
.lang-toggle .lang-en.active, .lang-toggle .lang-ar.active { color: var(--color-accent); font-weight: 600; }
.lang-divider { color: var(--color-border); }

/* Filter Panel */
.filter-panel {
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

.filter-content { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; }
.filter-group { display: flex; align-items: center; gap: 12px; }
.filter-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-light); }
.filter-tags { display: flex; gap: 6px; }

.filter-tag {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}

.filter-tag:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-tag.active { background: var(--color-accent); border-color: var(--color-accent); color: white; }

/* Hero */
.hero { text-align: center; padding: 48px 0; }

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--color-accent), #5A7C58);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 999px;
    margin-bottom: 16px;
}

.hero h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 12px; }
.hero p { font-size: 1.125rem; color: var(--color-text-light); max-width: 600px; margin: 0 auto 32px; }

.hero-stats { display: flex; justify-content: center; align-items: center; gap: 24px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 700; color: var(--color-accent); }
.stat-label { font-size: 0.75rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 40px; background: var(--color-border); }

/* Quick Nav */
.quick-nav {
    position: sticky;
    top: 69px;
    z-index: 90;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.nav-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-scroll::-webkit-scrollbar { display: none; }

.nav-pill {
    flex-shrink: 0;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: all 0.15s;
}

.nav-pill:hover, .nav-pill.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

/* Category */
.category {
    padding: 48px 0;
    border-top: 1px solid var(--color-border);
    scroll-margin-top: 140px;
}

.category-header { text-align: center; margin-bottom: 32px; }
.category-icon { font-size: 2.5rem; margin-bottom: 8px; }
.category-title { font-size: 1.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.category-subtitle { color: var(--color-text-light); }

/* Carousel */
.carousel-container { display: flex; align-items: center; gap: 16px; }
.carousel-track-container { flex: 1; overflow: hidden; }
.carousel-track { display: flex; gap: 24px; transition: transform 0.4s ease; }

.carousel-btn {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.carousel-btn:hover { background: var(--color-accent); border-color: var(--color-accent); color: white; }
.carousel-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.carousel-btn:disabled:hover { background: var(--color-card); color: inherit; border-color: var(--color-border); }
.carousel-btn svg { width: 24px; height: 24px; }

html[dir="rtl"] .carousel-btn svg { transform: rotate(180deg); }

.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all 0.15s;
}

.carousel-dot.active { background: var(--color-accent); width: 24px; border-radius: 4px; }

/* Flip Card */
.flip-card {
    flex: 0 0 calc(50% - 12px);
    min-width: 300px;
    max-width: 380px;
    height: 460px;
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner { transform: rotateY(180deg); }
html[dir="rtl"] .flip-card.flipped .flip-card-inner { transform: rotateY(-180deg); }

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-card);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.flip-card-back { transform: rotateY(180deg); padding: 24px; overflow-y: auto; }
html[dir="rtl"] .flip-card-back { transform: rotateY(-180deg); }

/* Card Image Placeholder with Emoji */
.card-image-placeholder {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f0 0%, #e8e8e0 100%);
}

.placeholder-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.card-content { padding: 20px; text-align: center; }

/* Card Badge */
.card-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 6px;
    margin-bottom: 8px;
}

.card-badge.quran { background: rgba(45, 90, 74, 0.1); color: var(--color-quran); }
.card-badge.sunnah { background: rgba(139, 105, 20, 0.1); color: var(--color-sunnah); }

.card-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 4px; }
.card-subtitle { font-size: 0.875rem; color: var(--color-text-light); margin-bottom: 16px; }

.reveal-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.reveal-btn:hover { background: var(--color-accent-hover); transform: translateY(-2px); }
.reveal-btn svg { width: 18px; height: 18px; }

.back-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.back-title { font-size: 1.125rem; font-weight: 600; }

.close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.close-btn:hover { background: var(--color-border); }
.close-btn svg { width: 16px; height: 16px; color: var(--color-text-light); }

.recipe-section { margin-bottom: 16px; }

.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.recipe-steps { list-style: none; counter-reset: step; }

.recipe-steps li {
    counter-increment: step;
    position: relative;
    padding-left: 24px;
    margin-bottom: 6px;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

html[dir="rtl"] .recipe-steps li { padding-left: 0; padding-right: 24px; }

.recipe-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
}

html[dir="rtl"] .recipe-steps li::before { left: auto; right: 0; }

.wisdom-box {
    background: var(--color-wisdom);
    border-radius: var(--radius);
    padding: 16px;
    border-left: 3px solid var(--color-accent);
}

html[dir="rtl"] .wisdom-box { border-left: none; border-right: 3px solid var(--color-accent); }

.wisdom-text { font-size: 0.875rem; color: var(--color-text-light); font-style: italic; }
html[dir="rtl"] .wisdom-text { font-style: normal; }

/* Daily Sunnah */
.daily-sunnah {
    padding: 48px 0;
    background: linear-gradient(135deg, #f8f7f5, #f0efe8);
}

.sunnah-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 48px;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.sunnah-icon { font-size: 3rem; margin-bottom: 16px; }
.sunnah-card h3 { font-size: 1.25rem; color: var(--color-accent); margin-bottom: 16px; }
.sunnah-text { font-size: 1.125rem; font-style: italic; line-height: 1.8; margin-bottom: 16px; }
html[dir="rtl"] .sunnah-text { font-style: normal; }
.sunnah-source { font-size: 0.875rem; color: var(--color-text-light); }

/* Footer */
.footer {
    text-align: center;
    padding: 48px 0;
    border-top: 1px solid var(--color-border);
}

.footer-logo { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; }
.footer-text { font-size: 0.875rem; color: var(--color-text-light); margin-bottom: 8px; }
.footer-link { color: var(--color-accent); text-decoration: none; }
.footer-link:hover { text-decoration: underline; }
.footer-verse { font-size: 0.8125rem; color: var(--color-text-light); font-style: italic; margin-top: 16px; }
html[dir="rtl"] .footer-verse { font-style: normal; }

/* Responsive */
@media (max-width: 900px) {
    .flip-card { flex: 0 0 100%; max-width: 100%; }
    .carousel-btn { width: 40px; height: 40px; }
    .hero-stats { gap: 16px; }
    .stat-number { font-size: 1.5rem; }
}

@media (max-width: 600px) {
    .hero h1 { font-size: 1.75rem; }
    .hero, .category { padding: 32px 0; }
    .carousel-btn { width: 36px; height: 36px; }
    .flip-card { height: 420px; min-width: 280px; }
    .card-image-placeholder { height: 150px; }
    .placeholder-icon { font-size: 3rem; }
    .filter-content { flex-direction: column; align-items: flex-start; }
    .quick-nav { top: 61px; }
    .sunnah-card { padding: 32px 24px; }
    .header-actions { gap: 4px; }
    .filter-toggle span, .lang-toggle { font-size: 0.8rem; padding: 6px 10px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }