/* ===== VARIABILI ===== */
:root {
    --color-primary: #1a5c2e;
    --color-primary-light: #2e7d4f;
    --color-primary-dark: #0d3318;
    --color-gold: #c5961a;
    --color-gold-light: #e8c55a;
    --color-gold-dark: #8a6a12;

    --bg-primary: #faf8f2;
    --bg-secondary: #f0ebe0;
    --bg-card: #ffffff;
    --bg-arabic: #fdfbf5;

    --text-primary: #2c2c2c;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;
    --text-arabic: #1a1a1a;
    --text-transliteration: #2e7d4f;

    --border-light: #e0d8c8;
    --border-medium: #d4c9a8;
    --border-gold: rgba(197,150,26,0.2);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

    --font-arabic: 'Amiri', 'Scheherazade New', 'Traditional Arabic', serif;
    --font-body: 'Merriweather', 'Georgia', serif;
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --size-arabic: 28px;
    --size-arabic-lg: 36px;
    --size-translit: 15px;
    --size-translation: 15px;
    --size-tafsir: 14px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242420;
    --bg-card: #2a2a26;
    --bg-arabic: #2e2e28;
    --text-primary: #e0ddd4;
    --text-secondary: #b0ac9e;
    --text-muted: #7a7870;
    --text-arabic: #f0ede6;
    --text-transliteration: #5aad7a;
    --border-light: #3a3a32;
    --border-medium: #4a4a3e;
    --color-gold: #d4a82a;
    --color-gold-light: #f0c840;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-ui);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition), color var(--transition);
}

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

img { max-width: 100%; display: block; }

/* ===== LAYOUT ===== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-wrapper {
    padding-top: 70px;
    min-height: 100vh;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--color-primary-dark);
    border-bottom: 2px solid var(--color-gold);
    height: 64px;
    display: flex;
    align-items: center;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.navbar-brand .brand-arabic {
    font-family: var(--font-arabic);
    font-size: 1.5rem;
    color: var(--color-gold-light);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.navbar-nav a {
    color: rgba(255,255,255,0.85);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: #fff;
    background: rgba(255,255,255,0.12);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== SEARCH BAR ===== */
.search-bar {
    position: relative;
    flex: 1;
    max-width: 340px;
}

.search-bar input {
    width: 100%;
    padding: 8px 16px 8px 40px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition);
}

.search-bar input::placeholder { color: rgba(255,255,255,0.5); }
.search-bar input:focus {
    background: rgba(255,255,255,0.2);
    border-color: var(--color-gold);
}

.search-bar .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.5);
    pointer-events: none;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover { background: var(--color-primary-light); color: #fff; }

.btn-gold {
    background: var(--color-gold);
    color: #fff;
}
.btn-gold:hover { background: var(--color-gold-dark); color: #fff; }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
}
.btn-ghost:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-icon {
    padding: 8px;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
}
.btn-icon:hover {
    background: var(--bg-secondary);
    color: var(--color-primary);
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }

/* ===== HERO / PAGE HEADER ===== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: 48px 20px;
    text-align: center;
    color: #fff;
    border-bottom: 3px solid var(--color-gold);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header .arabic-subtitle {
    font-family: var(--font-arabic);
    font-size: 2.5rem;
    color: var(--color-gold-light);
    display: block;
    margin-bottom: 12px;
}

.page-header p {
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== LOADING SPINNER ===== */
.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-center {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
}

/* ===== TOAST NOTIFICATIONS ===== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    background: var(--color-primary-dark);
    color: #fff;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 320px;
}

.toast.success { border-left: 4px solid #4caf50; }
.toast.error   { border-left: 4px solid #e53935; }
.toast.info    { border-left: 4px solid var(--color-gold); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ===== DARK MODE TOGGLE ===== */
#theme-toggle {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    padding: 5px 12px;
    color: #fff;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
}
#theme-toggle:hover { border-color: var(--color-gold); }

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 32px 20px;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-light);
    margin-top: 60px;
}

.footer .footer-arabic {
    font-family: var(--font-arabic);
    font-size: 1.2rem;
    color: var(--color-primary-light);
    display: block;
    margin-bottom: 8px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar-nav { display: none; }
    .search-bar { max-width: 200px; }
    .page-header h1 { font-size: 1.5rem; }
    .page-header .arabic-subtitle { font-size: 2rem; }
}

@media (max-width: 480px) {
    .search-bar { display: none; }
}

/* ===== PWA INSTALL BANNER ===== */
.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-card);
    border-top: 2px solid var(--color-gold);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 12px 16px;
    /* Safe area for iPhone home indicator */
    padding-bottom: max(12px, env(safe-area-inset-bottom));
}

.pwa-install-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 700px;
    margin: 0 auto;
}

.pwa-install-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
}

.pwa-install-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pwa-install-text strong {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.pwa-install-text small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn-gold {
    background: var(--color-gold);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition);
}

.btn-gold:hover { background: var(--color-gold-dark); }

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-light);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background var(--transition);
}

.btn-ghost:hover { background: var(--bg-secondary); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* ===== iOS STANDALONE MODE ===== */
/* Add top padding when running as installed PWA (standalone) */
@media (display-mode: standalone) {
    .navbar {
        padding-top: env(safe-area-inset-top);
    }
    .page-wrapper {
        padding-bottom: calc(60px + env(safe-area-inset-bottom));
    }
}

/* ===== MOBILE NAV (hamburger) ===== */
.navbar-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .navbar-hamburger { display: flex; align-items: center; justify-content: center; }

    .navbar-nav {
        display: none;
        position: fixed;
        inset: 0;
        background: var(--bg-card);
        z-index: 500;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        font-size: 1.2rem;
    }

    .navbar-nav.is-open { display: flex; }

    .navbar-nav .nav-close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: none;
        border: none;
        font-size: 1.8rem;
        cursor: pointer;
        color: var(--text-primary);
    }
}