/* ========================================
   main.css – نسخه نهایی با تم‌های چندگانه و گردی مخصوص المان‌های خاص (طبق تصویر)
   ======================================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

/* تم پیش‌فرض: Green-Black */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1e1e1e;
    --text-primary: #f0f0f0;
    --text-secondary: #b0b0b0;
    --accent-primary: #4eff4e;
    --accent-secondary: #4eaaff;
    --border-color: #2a2a2a;
    --gradient-start: #0a0a0a;
    --gradient-end: #1a3a1a;
    --header-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a3a1a 100%);
    --button-gradient: linear-gradient(135deg, #4eff4e, #2a8e2a);
    --card-shadow: 0 8px 20px rgba(78,255,78,0.1);
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 24px;
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-glow: 0 0 12px rgba(78,255,78,0.15), 0 0 24px rgba(78,170,255,0.08);
}

/* تم White-Black */
[data-theme="white-black"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --accent-primary: #222222;
    --accent-secondary: #444444;
    --border-color: #cccccc;
    --header-gradient: linear-gradient(135deg, #f5f5f5 0%, #dddddd 100%);
    --button-gradient: linear-gradient(135deg, #333333, #111111);
    --card-shadow: 0 8px 20px rgba(0,0,0,0.05);
    --shadow-glow: 0 0 12px rgba(0,0,0,0.1), 0 0 24px rgba(0,0,0,0.05);
}

/* تم Purple-Black */
[data-theme="purple-black"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2a;
    --text-primary: #f0f0ff;
    --text-secondary: #b0b0d0;
    --accent-primary: #aa66ff;
    --accent-secondary: #8844cc;
    --border-color: #2a2a3a;
    --header-gradient: linear-gradient(135deg, #0a0a0f, #2a1a3a);
    --button-gradient: linear-gradient(135deg, #aa66ff, #6633aa);
    --card-shadow: 0 8px 20px rgba(170,102,255,0.1);
    --shadow-glow: 0 0 12px rgba(170,102,255,0.15);
}

/* تم Blu-Black */
[data-theme="blu-black"] {
    --bg-primary: #0a0a1a;
    --bg-secondary: #10102a;
    --bg-tertiary: #18183a;
    --text-primary: #e0e0ff;
    --text-secondary: #a0a0cc;
    --accent-primary: #4488ff;
    --accent-secondary: #2266cc;
    --border-color: #2a2a4a;
    --header-gradient: linear-gradient(135deg, #0a0a1a, #1a2a4a);
    --button-gradient: linear-gradient(135deg, #4488ff, #2255aa);
    --card-shadow: 0 8px 20px rgba(68,136,255,0.1);
    --shadow-glow: 0 0 12px rgba(68,136,255,0.15);
}

/* تم Orange-Black */
[data-theme="orange-black"] {
    --bg-primary: #1a0a0a;
    --bg-secondary: #2a1010;
    --bg-tertiary: #3a1818;
    --text-primary: #ffe0d0;
    --text-secondary: #cca0a0;
    --accent-primary: #ff8844;
    --accent-secondary: #cc6622;
    --border-color: #4a2a2a;
    --header-gradient: linear-gradient(135deg, #1a0a0a, #4a2a1a);
    --button-gradient: linear-gradient(135deg, #ff8844, #aa5522);
    --card-shadow: 0 8px 20px rgba(255,136,68,0.1);
    --shadow-glow: 0 0 12px rgba(255,136,68,0.15);
}

/* تم Violet Style */
[data-theme="violet"] {
    --bg-primary: #0f0a1a;
    --bg-secondary: #18122a;
    --bg-tertiary: #221a3a;
    --text-primary: #f0e0ff;
    --text-secondary: #c0b0e0;
    --accent-primary: #dd66ff;
    --accent-secondary: #aa44cc;
    --border-color: #3a2a5a;
    --header-gradient: linear-gradient(135deg, #0f0a1a, #3a2a5a);
    --button-gradient: linear-gradient(135deg, #dd66ff, #8833aa);
    --card-shadow: 0 8px 20px rgba(221,102,255,0.1);
    --shadow-glow: 0 0 12px rgba(221,102,255,0.15);
}

/* تم Twilight (Blu-Purple) */
[data-theme="twilight"] {
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-tertiary: #1a1a3a;
    --text-primary: #e0e0ff;
    --text-secondary: #a0a0cc;
    --accent-primary: #6688ff;
    --accent-secondary: #8844ff;
    --border-color: #2a2a4a;
    --header-gradient: linear-gradient(135deg, #0a0a2a, #2a1a4a);
    --button-gradient: linear-gradient(135deg, #6688ff, #8844ff);
    --card-shadow: 0 8px 20px rgba(102,136,255,0.1);
    --shadow-glow: 0 0 12px rgba(102,136,255,0.15);
    --gradient-body: linear-gradient(135deg, #0a0a2a, #1a0a3a);
}

/* تم Crimson */
[data-theme="crimson"] {
    --bg-primary: #1a0a0a;
    --bg-secondary: #2a1015;
    --bg-tertiary: #3a1820;
    --text-primary: #ffe0e0;
    --text-secondary: #d0a0a8;
    --accent-primary: #ff4466;
    --accent-secondary: #cc2244;
    --border-color: #4a2a2a;
    --header-gradient: linear-gradient(135deg, #1a0a0a, #4a1a2a);
    --button-gradient: linear-gradient(135deg, #ff4466, #aa2233);
    --card-shadow: 0 8px 20px rgba(255,68,102,0.1);
    --shadow-glow: 0 0 12px rgba(255,68,102,0.15);
}

/* استایل‌های عمومی */
html {
    height: 100%;
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    width: 100%;
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
    animation: fadeInBody 0.6s ease-out;
    transition: background 0.3s ease, color 0.2s ease;
}

@keyframes fadeInBody {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* هدرها با گرادیان – اما گردی خاص فقط برای کلاس‌های خاص اعمال می‌شود */
.chat-header, .music-header, .admin-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

/* دکمه‌ها */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    opacity: 0;
    transition: opacity 0.3s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
    background: var(--button-gradient);
    color: #000;
}
.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}
.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}
.btn-outline:hover {
    background: rgba(78,255,78,0.1);
}

.btn-outline-danger {
    border-color: #e74c3c;
    color: #e74c3c;
}
.btn-outline-danger:hover {
    background: rgba(231,76,60,0.1);
}

.btn-block {
    width: 100%;
}

/* کارت‌ها و المان‌های اصلی */
.card, .auth-card, .modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1.8rem;
    transition: var(--transition-smooth);
}

h1, h2, h3 {
    font-weight: 600;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition-fast);
}

a {
    text-decoration: none;
    color: var(--accent-secondary);
    transition: var(--transition-fast);
}
a:hover {
    color: var(--accent-primary);
}

input, textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

/* اسکرول بار */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 10px;
}

/* کلاس‌های عمومی */
.container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
}

/* دکمه آیکون */
.icon-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.4rem;
    transition: var(--transition-smooth);
}
.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

/* توست */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--accent-primary);
    color: #000;
    padding: 12px 24px;
    border-radius: 40px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    opacity: 0;
    transition: 0.3s ease;
    z-index: 10000;
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.link {
    color: var(--accent-secondary);
    font-size: 0.9rem;
}

/* صفحات احراز هویت */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg-primary);
}
.auth-card {
    width: 100%;
    max-width: 440px;
    text-align: center;
    animation: fadeInUp 0.6s ease-out;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.auth-logo { font-size: 4rem; margin-bottom: 16px; }
.auth-heading { font-size: 2.2rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--accent-primary); }
.auth-subtitle { color: var(--text-secondary); margin-bottom: 28px; font-size: 0.95rem; }
.auth-footer { margin-top: 24px; }
.pending-icon { font-size: 4rem; margin-bottom: 20px; animation: pulse 2s infinite; }
@keyframes pulse {
    0%,100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.info-text { color: var(--text-secondary); margin: 20px 0; }

/* فرم‌ها */
.input-group { margin-bottom: 20px; }
.input-group.floating { position: relative; }
.input-field {
    width: 100%;
    padding: 16px 14px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}
.input-field:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(78,255,78,0.1);
}
.input-label {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0 8px;
    border-radius: 20px;
    font-size: 1rem;
    pointer-events: none;
    transition: 0.2s ease;
}
.input-field:focus + .input-label,
.input-field:not(:placeholder-shown) + .input-label {
    top: 0;
    transform: translateY(-50%) scale(0.8);
    color: var(--accent-primary);
    background: var(--bg-secondary);
}
.input-hint { color: var(--text-secondary); font-size: 0.75rem; margin-top: 6px; }
.error-message { color: #ff4d4d; font-size: 0.8rem; margin-top: 6px; display: none; }
.success-message { color: var(--accent-primary); font-size: 0.8rem; margin-top: 6px; }

/* مودال پایه */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity:0; }
}
.modal-content {
    max-width: 420px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 24px;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.modal-tabs {
    display: flex;
    gap: 10px;
}
.modal-tab {
    padding: 8px 20px;
    background: transparent;
    border-radius: 20px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}
.modal-tab.active {
    background: var(--accent-primary);
    color: #000;
    border-color: transparent;
}

/* ایموجی گرید */
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8,1fr);
    gap: 6px;
}
.emoji-item {
    font-size: 1.8rem;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}
.emoji-item:hover {
    background: var(--bg-tertiary);
    transform: scale(1.15);
}

/* تم گرید در تنظیمات */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-top: 10px;
}
.theme-option {
    padding: 12px 8px;
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
    font-weight: bold;
    font-size: 0.8rem;
}
.theme-option.active {
    border-color: var(--accent-primary);
    transform: scale(1.02);
}
.theme-option:hover {
    transform: scale(1.02);
}
.settings-section {
    margin-bottom: 20px;
}
.settings-section h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* ========== گرد کردن المان‌های خاص (طبق تصویر) ========== */
.music-header,
.chat-header,
.admin-header {
    border-radius: 60px !important;
    padding: 8px 24px !important;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.search-box input,
.search-input {
    border-radius: 999px !important;
    padding: 12px 20px !important;
}

.section-card {
    border-radius: 28px !important;
    overflow: hidden;
}

.modal-container {
    border-radius: 48px !important;
}

.btn-primary,
.btn-outline,
.fab {
    border-radius: 999px !important;
}

.progress-container {
    border-radius: 999px !important;
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .container { padding: 15px; }
    .auth-card { padding: 2rem 1.5rem; }
    .theme-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    .theme-option {
        font-size: 0.7rem;
        padding: 8px 4px;
    }
    .music-header, .chat-header {
        border-radius: 40px !important;
        padding: 6px 16px !important;
    }
}