/* ═══════════════════════════════════════════════════════════
   SANA EXCHANGE - Main CSS v1.0 (نسخه کامل و ساده)
   ═══════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
    --color-primary: #f0b90b;
    --color-primary-hover: #d4a60a;
    --color-primary-light: rgba(240, 185, 11, 0.15);
    --color-success: #0ecb81;
    --color-success-light: rgba(14, 203, 129, 0.15);
    --color-danger: #f6465d;
    --color-danger-light: rgba(246, 70, 93, 0.15);
    --color-warning: #f0b90b;
    --color-info: #3b82f6;
    
    --bg-primary: #0a0e14;
    --bg-secondary: #131820;
    --bg-card: #1a1f2b;
    --bg-hover: #1e2535;
    --bg-input: #0f131b;
    
    --text-primary: #e8ecf1;
    --text-secondary: #8b95a5;
    --text-muted: #5a6474;
    --text-inverse: #0a0e14;
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-color-light: rgba(255, 255, 255, 0.1);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --font-family: 'Vazirmatn', Tahoma, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    
    --header-height: 64px;
    --sidebar-width: 260px;
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f5f7fa;
    --bg-input: #f8f9fb;
    --text-primary: #1a1f2b;
    --text-secondary: #5a6474;
    --text-muted: #8b95a5;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-light: rgba(0, 0, 0, 0.12);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* ─── Reset ─── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { font-size: 16px; }

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    direction: rtl;
    min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }
ul, ol { list-style: none; }
img, svg { vertical-align: middle; }

/* ─── App Layout ─── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-content {
    flex: 1;
    margin-right: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: var(--spacing-lg);
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR - سایدبار داینامیک
   ═══════════════════════════════════════════════════════════ */

.sidebar {
    width: var(--sidebar-width, 260px);
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease, width 0.3s ease;
}

/* ─── حالت جمع شده ─── */
body.sidebar-collapsed .sidebar {
    transform: translateX(100%);
}

/* ─── محتوای اصلی ─── */
.app-content {
    flex: 1;
    margin-right: var(--sidebar-width, 260px);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-right 0.3s ease;
}

/* ─── وقتی سایدبار جمع شد، محتوا بزرگ بشه ─── */
body.sidebar-collapsed .app-content {
    margin-right: 0;
}

/* ─── هدر ─── */
.header {
    height: var(--header-height, 64px);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 90;
}

/* ─── دکمه toggle سایدبار ─── */
.sidebar-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
}

/* ─── Sidebar Header ─── */
.sidebar-header {
    height: var(--header-height, 64px);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 900;
    color: var(--text-primary);
    text-decoration: none;
}

.header-brand svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

/* ─── Sidebar Nav ─── */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.sidebar-section {
    margin-bottom: 20px;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 12px 6px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s;
    margin-bottom: 2px;
}

.sidebar-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.sidebar-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.sidebar-item .badge {
    margin-right: auto;
}

/* ─── Sidebar Footer ─── */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* ─── Main Content ─── */
.main-content {
    flex: 1;
    padding: 24px;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .app-content {
        margin-right: 0 !important;
    }
    
    /* Overlay وقتی سایدبار بازه در موبایل */
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: var(--ds-overlay);
        z-index: 99;
    }
    
    .sidebar-overlay.show {
        display: block;
    }
}

/* ─── Header ─── */
.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-lg);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-right: auto;
}

/* ─── Theme Toggle ─── */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--color-primary);
}

.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ─── Avatar ─── */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color-light);
}

.avatar-sm { width: 28px; height: 28px; }
.avatar-lg { width: 48px; height: 48px; }
.avatar-xl { width: 64px; height: 64px; }

.avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

/* ─── Auth Page ─── */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.auth-logo { text-align: center; margin-bottom: var(--spacing-lg); }
.auth-logo svg { width: 48px; height: 48px; color: var(--color-primary); }
.auth-title { font-size: var(--font-size-xl); font-weight: 900; text-align: center; margin-bottom: var(--spacing-xs); }
.auth-subtitle { font-size: var(--font-size-sm); color: var(--text-secondary); text-align: center; margin-bottom: var(--spacing-xl); }

/* ─── Page Header ─── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-title svg { width: 24px; height: 24px; color: var(--color-primary); }
.page-subtitle { font-size: var(--font-size-sm); color: var(--text-secondary); margin-top: 4px; }
.page-actions { display: flex; align-items: center; gap: var(--spacing-sm); }

/* ─── Cards ─── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title svg { width: 20px; height: 20px; color: var(--color-primary); }
.card-body { padding: var(--spacing-lg); }
.card-footer { padding: var(--spacing-md) var(--spacing-lg); border-top: 1px solid var(--border-color); }

/* ─── Dashboard Layout ─── */
.dashboard-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.dashboard-sidebar {
    position: sticky;
    top: var(--spacing-lg);
}

.dashboard-main { min-width: 0; }

/* ─── Rates Panel ─── */
.rates-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.rates-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.rates-panel-title {
    font-size: var(--font-size-md);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.rates-panel-title svg { width: 18px; height: 18px; color: var(--color-primary); }

.live-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-success);
    font-weight: 600;
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.rates-panel-body { padding: var(--spacing-sm); }
.rates-panel-footer { padding: var(--spacing-md); border-top: 1px solid var(--border-color); }

.rate-item-compact {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.rate-item-compact:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.rate-item-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.rate-item-symbol {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: var(--font-size-xs);
}

.rate-item-name { font-size: var(--font-size-sm); font-weight: 600; }

.rate-item-prices { display: flex; flex-direction: column; gap: 2px; }

.rate-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.rate-price:hover { background: var(--bg-hover); }

.rate-price-label { font-size: var(--font-size-xs); color: var(--text-muted); width: 30px; }

.rate-price-value {
    font-size: var(--font-size-sm);
    font-weight: 700;
    direction: ltr;
    text-align: left;
    min-width: 70px;
}

.rate-item-spread {
    font-size: var(--font-size-xs);
    color: var(--color-success);
    font-weight: 600;
    min-width: 50px;
    text-align: left;
    direction: ltr;
}

/* ─── Rate Edit Popup ─── */
.rate-edit-popup {
    position: fixed;
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.rate-edit-input {
    width: 120px;
    padding: 8px 12px;
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-sm);
    outline: none;
    direction: ltr;
    text-align: left;
}

.rate-edit-actions { display: flex; gap: var(--spacing-xs); }

/* ─── Filters ─── */
.filters-row {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-group { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.filter-label { font-size: var(--font-size-xs); font-weight: 600; color: var(--text-secondary); }
.filter-inputs { display: flex; align-items: center; gap: var(--spacing-sm); }

/* ─── Stats Row ─── */
.stats-row { display: flex; gap: var(--spacing-md); margin-bottom: var(--spacing-md); }

.stat-item {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.stat-item-value { display: block; font-size: var(--font-size-xl); font-weight: 900; }
.stat-item-label { display: block; font-size: var(--font-size-xs); color: var(--text-secondary); margin-top: var(--spacing-xs); }

/* ─── Stat Cards ─── */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.stat-card-icon svg { width: 22px; height: 22px; }
.stat-card-icon.success { background: var(--color-success-light); color: var(--color-success); }
.stat-card-icon.danger { background: var(--color-danger-light); color: var(--color-danger); }
.stat-card-icon.info { background: var(--ds-info-soft); color: var(--color-info); }
.stat-card-icon.warning { background: var(--color-primary-light); color: var(--color-warning); }

.stat-card-value { font-size: var(--font-size-2xl); font-weight: 900; }
.stat-card-label { font-size: var(--font-size-sm); color: var(--text-secondary); }

/* ─── Forms ─── */
.form-group { margin-bottom: var(--spacing-md); }

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 11px 14px;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder { color: var(--text-muted); }

.form-input-sm, .form-select-sm { padding: 8px 12px; font-size: var(--font-size-sm); }
.form-hint { font-size: var(--font-size-xs); color: var(--text-muted); margin-top: var(--spacing-xs); }

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-size: var(--font-size-md);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn svg { width: 16px; height: 16px; }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--color-primary); color: var(--text-inverse); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-success { background: var(--color-success); color: var(--ds-pos-on); }
.btn-success:hover { background: var(--ds-pos); }
.btn-danger { background: var(--color-danger); color: var(--ds-neg-on); }
.btn-danger:hover { background: var(--ds-neg); }
.btn-warning { background: var(--color-warning); color: var(--text-inverse); }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border-color-light);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-xs { padding: 4px 10px; font-size: var(--font-size-xs); border-radius: var(--radius-sm); }
.btn-sm { padding: 7px 14px; font-size: var(--font-size-sm); }
.btn-lg { padding: 14px 28px; font-size: var(--font-size-lg); }
.btn-icon { padding: 10px; }
.btn-block { width: 100%; }

/* ─── Tables ─── */
.table-wrapper { overflow-x: auto; }

.table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }

.table th {
    background: var(--bg-secondary);
    padding: 14px 16px;
    text-align: right;
    font-weight: 700;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr { transition: background var(--transition-fast); }
.table tbody tr:hover { background: var(--bg-hover); }
.table tbody tr:last-child td { border-bottom: none; }

.text-number { font-family: 'Courier New', monospace; direction: ltr; text-align: left; }
.text-amount { font-weight: 700; color: var(--color-primary); }

/* ─── Badges ─── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge svg { width: 12px; height: 12px; }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-warning { background: var(--color-primary-light); color: var(--color-warning); }
.badge-info { background: var(--ds-info-soft); color: var(--color-info); }
.badge-neutral { background: var(--bg-hover); color: var(--text-secondary); }

/* ─── Alerts ─── */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid;
}

.alert svg { width: 18px; height: 18px; flex-shrink: 0; }
.alert-success { background: var(--color-success-light); border-color: var(--color-success); color: var(--color-success); }
.alert-danger { background: var(--color-danger-light); border-color: var(--color-danger); color: var(--color-danger); }
.alert-warning { background: var(--color-primary-light); border-color: var(--color-warning); color: var(--color-warning); }
.alert-info { background: var(--ds-info-soft); border-color: var(--color-info); color: var(--color-info); }

/* ─── Modals ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--ds-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--spacing-md);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-sm { max-width: 360px; }
.modal-lg { max-width: 640px; }

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title { font-size: var(--font-size-lg); font-weight: 700; }

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }
.modal-close svg { width: 18px; height: 18px; }
.modal-body { padding: var(--spacing-lg); }
.modal-footer { padding: var(--spacing-md) var(--spacing-lg); border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: var(--spacing-sm); }

/* ─── Dropdown ─── */
.dropdown { position: relative; display: inline-block; }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(4px); }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 14px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item svg { width: 16px; height: 16px; color: var(--text-secondary); }
.dropdown-item.danger { color: var(--color-danger); }
.dropdown-item.danger svg { color: var(--color-danger); }
/* خروج — ظاهر آرام (خاکستری) با تاکید قرمز فقط در هاور (رفع دکمهٔ قرمز زشت) */
.dropdown-item.logout-link { color: var(--text-secondary); }
.dropdown-item.logout-link svg { color: var(--text-secondary); }
.dropdown-item.logout-link:hover { color: var(--color-danger); background: rgba(214, 69, 69, 0.10); }
.dropdown-item.logout-link:hover svg { color: var(--color-danger); }
.btn-ghost.logout-link { color: var(--text-secondary); }
.btn-ghost.logout-link:hover { color: var(--color-danger); background: rgba(214, 69, 69, 0.10); border-color: rgba(214, 69, 69, 0.35); }
.dropdown-divider { height: 1px; background: var(--border-color); margin: var(--spacing-xs) 0; }

/* ─── Toast ─── */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    animation: fadeInDown var(--transition-normal);
    pointer-events: auto;
    min-width: 280px;
}

.toast svg { width: 20px; height: 20px; flex-shrink: 0; }
.toast-success svg { color: var(--color-success); }
.toast-error svg { color: var(--color-danger); }
.toast-warning svg { color: var(--color-warning); }
.toast-info svg { color: var(--color-info); }
.toast-message { font-size: var(--font-size-sm); font-weight: 600; }

/* ─── Spinner ─── */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

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

/* ─── Utilities ─── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mt-lg { margin-top: var(--spacing-lg); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }

.text-center { text-align: center; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.w-full { width: 100%; }
.relative { position: relative; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cursor-pointer { cursor: pointer; }

.border-top { border-top: 1px solid var(--border-color); }
.border-bottom { border-bottom: 1px solid var(--border-color); }

/* ─── Animations ─── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }

.animate-fade-in { animation: fadeIn var(--transition-normal); }
.animate-fade-in-up { animation: fadeInUp var(--transition-normal); }
.animate-fade-in-down { animation: fadeInDown var(--transition-normal); }

@keyframes rateFlash {
    0% { background: var(--color-primary-light); }
    100% { background: transparent; }
}

.rate-price-value.updated { animation: rateFlash 0.5s ease; }

/* ─── Mobile Nav ─── */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: none;
    align-items: center;
    justify-content: space-around;
    z-index: 100;
    padding: 0 var(--spacing-sm);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.mobile-nav-item svg { width: 22px; height: 22px; }
.mobile-nav-item.active { color: var(--color-primary); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(100%); transition: transform var(--transition-normal); }
    .sidebar.open { transform: translateX(0); }
    .app-content { margin-right: 0; }
    .dashboard-layout { grid-template-columns: 1fr; }
    .dashboard-sidebar { position: relative; top: 0; }
}

@media (max-width: 768px) {
    .main-content { padding: var(--spacing-md); padding-bottom: 80px; }
    .mobile-nav { display: flex; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .filters-row { flex-direction: column; align-items: stretch; }
    .stats-row { flex-direction: column; }
    .table th, .table td { padding: 10px 8px; }
}