/* ========================================
   Font Import
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Nastaliq+Urdu:wght@400;700&display=swap');

/* ========================================
   CSS Variables - Black & Silver Theme
   ======================================== */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-input: #222222;
    --bg-hover: #2a2a2a;
    --border-color: #333333;
    --border-light: #444444;
    --silver: #c0c0c0;
    --silver-light: #d4d4d4;
    --silver-lighter: #e0e0e0;
    --silver-dark: #8a8a8a;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --gold: #d4af37;
    --gold-light: #f0d68a;
    --accent: #c0c0c0;
    --accent-hover: #a0a0a0;
    --danger: #dc3545;
    --danger-hover: #c82333;
    --success: #28a745;
    --warning: #ffc107;
    --info: #17a2b8;
    --sidebar-width: 260px;
    --sidebar-collapsed: 0px;
    --header-height: 0px;
    --radius: 8px;
    --radius-sm: 4px;
    --shadow: 0 2px 10px rgba(0,0,0,0.3);
    --shadow-lg: 0 5px 20px rgba(0,0,0,0.5);
    --transition: 0.3s ease;
}

.nastaliq { font-family: 'Noto Nastaliq Urdu', serif; }

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Cinzel', 'Tahoma', 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--silver);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--silver-light);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   App Container
   ======================================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform var(--transition);
    overflow-y: auto;
}

.sidebar-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header .logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--silver);
    letter-spacing: 1px;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--silver);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.sidebar-close:hover {
    background: var(--bg-hover);
}

/* Mobile menu toggle (fixed outside sidebar) */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--silver);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: all var(--transition);
}

.mobile-menu-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--silver-dark);
}

/* Profile section */
.sidebar-profile {
    padding: 24px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.profile-avatar {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--silver-dark);
    cursor: pointer;
    transition: border-color var(--transition);
}

.profile-avatar:hover {
    border-color: var(--silver);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: var(--success);
    border: 2px solid var(--bg-secondary);
    border-radius: 50%;
}

.profile-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--silver-light);
    margin-bottom: 4px;
}

.profile-nickname {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.online-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--success);
    font-weight: 500;
}

.online-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: onlinePulse 2s infinite;
}

@keyframes onlinePulse {
    0%, 100% { box-shadow: 0 0 4px rgba(40, 167, 69, 0.5); }
    50% { box-shadow: 0 0 10px rgba(40, 167, 69, 0.8); }
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 4px 0;
}

.nav-section-title {
    padding: 16px 20px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    transition: all var(--transition);
    border-right: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--silver-light);
    border-right-color: var(--silver-dark);
}

.nav-item.active {
    background: rgba(192, 192, 192, 0.08);
    color: var(--silver);
    border-right-color: var(--silver);
}

.nav-icon {
    font-size: 1.1rem;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(1);
}
.nav-icon svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.nav-text {
    font-size: 0.95rem;
    margin-right: 8px;
}

.msg-badge {
    font-size: 0.6rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    padding: 0 5px;
    border-radius: 20px;
    background: #dc3545;
    color: #fff;
    margin-right: auto;
    margin-left: 8px;
    box-shadow: 0 0 8px rgba(220,53,69,0.5);
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 8px rgba(220,53,69,0.5); }
    50% { box-shadow: 0 0 16px rgba(220,53,69,0.8); }
}

/* Footer */
.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding: 8px 0;
}

.logout-btn {
    color: var(--danger) !important;
}

.logout-btn:hover {
    background: rgba(220, 53, 69, 0.1) !important;
    border-right-color: var(--danger) !important;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    flex: 1;
    margin-right: var(--sidebar-width);
    padding: 24px;
    min-height: 100vh;
    max-width: 100%;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--silver-light);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--silver);
}

.card-body {
    padding: 20px;
}

/* ========================================
   Charts Row
   ======================================== */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.chart-title {
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--silver);
    border-bottom: 1px solid var(--border-color);
    background: rgba(192, 192, 192, 0.03);
}

.tradingview-widget-container {
    height: 400px;
}

/* ========================================
   Series Status
   ======================================== */
.series-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.series-card h3 {
    font-size: 1rem;
    color: var(--silver);
    margin-bottom: 14px;
}

.series-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.series-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.series-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.series-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--silver-light);
}

.series-letter {
    font-size: 2rem;
    color: var(--accent);
}

.income-value {
    color: var(--success);
}

/* Series Status Bar (on coin registration page) */
.series-status-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.series-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--silver-light);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group .required {
    color: var(--danger);
}

.form-control,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--silver-dark);
    box-shadow: 0 0 0 2px rgba(192, 192, 192, 0.1);
}

.form-group input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    padding-left: 32px;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-actions {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-input);
    color: var(--text-primary);
    gap: 6px;
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--silver-dark);
    border-color: var(--silver-dark);
    color: var(--bg-primary);
    font-weight: 600;
}

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

.btn-secondary {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}

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

.btn-danger {
    background: transparent;
    border-color: var(--danger);
    color: var(--danger);
}

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

.btn-warning {
    background: transparent;
    border-color: var(--warning);
    color: var(--warning);
}

.btn-warning:hover {
    background: var(--warning);
    color: #000;
}

.btn-success {
    background: transparent;
    border-color: var(--success);
    color: var(--success);
}

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

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Tables
   ======================================== */
.table-responsive {
    overflow-x: auto;
    direction: rtl;
}

.table {
    width: 100%;
    border-collapse: collapse;
    direction: rtl;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

.table th {
    background: var(--bg-secondary);
    color: var(--silver);
    font-weight: 600;
    white-space: nowrap;
    position: sticky;
    top: 0;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: background .2s;
}

.actions-cell {
    white-space: nowrap;
}

.table tbody tr:hover {
    background: rgba(192, 192, 192, 0.05);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table .empty-row {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}

.serial-cell {
    font-family: 'Courier New', monospace;
    color: var(--silver);
    font-weight: 500;
    letter-spacing: 0.5px;
    direction: ltr;
    text-align: left;
}

.check-col {
    width: 40px;
    text-align: center;
}

/* ========================================
   Badges
   ======================================== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 500;
}

.badge-available {
    background: rgba(40, 167, 69, 0.15);
    color: var(--success);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.badge-sold {
    background: rgba(220, 53, 69, 0.15);
    color: var(--danger);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.15);
    color: var(--warning);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-gold, .badge-silver {
    background: rgba(192, 192, 192, 0.12);
    color: var(--silver);
    border: 1px solid rgba(192, 192, 192, 0.25);
}

.badge-silver {
    background: rgba(192, 192, 192, 0.12);
    color: var(--silver);
    border: 1px solid rgba(192, 192, 192, 0.25);
}

.badge-success {
    background: rgba(40, 167, 69, 0.15);
    color: var(--success);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.badge-muted {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 16px;
    flex-wrap: wrap;
}

.pagination button {
    padding: 6px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    transition: all var(--transition);
}

.pagination button:hover {
    background: var(--bg-hover);
    color: var(--silver);
}

.pagination button.active {
    background: var(--silver-dark);
    color: var(--bg-primary);
    border-color: var(--silver-dark);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ========================================
   Filters
   ======================================== */
.filters-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.search-box input {
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    min-width: 200px;
    outline: none;
    transition: border-color var(--transition);
}

.search-box input:focus {
    border-color: var(--silver-dark);
}

.filter-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-group select {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 10px center;
    padding-left: 28px;
}

.bulk-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

/* ========================================
   Custom Checkbox
   ======================================== */
input[type="checkbox"] {
    display: none;
}

input[type="checkbox"] + label {
    position: relative;
    padding-right: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    user-select: none;
}

input[type="checkbox"] + label::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-input);
    transition: all var(--transition);
}

input[type="checkbox"]:checked + label::before {
    background: var(--silver-dark);
    border-color: var(--silver-dark);
}

input[type="checkbox"]:checked + label::after {
    content: '✓';
    position: absolute;
    right: 3px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--bg-primary);
    font-size: 12px;
    font-weight: 700;
}

/* ========================================
   Checkbox Label (for permission grid)
   ======================================== */
.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}

.checkbox-label:hover {
    border-color: var(--silver-dark);
    background: var(--bg-hover);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-label span {
    position: relative;
    padding-right: 26px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.checkbox-label span::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-primary);
    transition: all var(--transition);
}

.checkbox-label input:checked + span::before {
    background: var(--silver-dark);
    border-color: var(--silver-dark);
}

.checkbox-label input:checked + span::after {
    content: '✓';
    position: absolute;
    right: 3px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--bg-primary);
    font-size: 11px;
    font-weight: 700;
}

.checkbox-label input:checked ~ span {
    color: var(--silver-light);
}

.permissions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ========================================
   Alert
   ======================================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.result-message {
    font-size: 0.85rem;
    padding: 6px 0;
}

/* ========================================
   Login Page
   ======================================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(192,192,192,0.05) 0%, transparent 50%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 36px 28px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.logo-icon {
    font-size: 3rem;
    color: var(--silver);
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 1.3rem;
    color: var(--silver-light);
    font-weight: 700;
}

.login-form .form-group {
    margin-bottom: 18px;
}

.login-form .form-group label {
    margin-bottom: 8px;
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1rem;
    color: var(--silver);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.modal-body {
    padding: 20px;
}

/* ========================================
   Progress Bar
   ======================================== */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
    margin: 16px 0;
}

.progress-fill {
    height: 100%;
    background: var(--silver-dark);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

/* ========================================
   Messenger
   ======================================== */
.messenger-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 180px);
    min-height: 400px;
}

.messenger-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.messenger-header h3 {
    font-size: 1rem;
    color: var(--silver);
    font-weight: 600;
}

.member-count {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.online-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 6px rgba(40, 167, 69, 0.5);
    flex-shrink: 0;
    animation: onlinePulse 2s infinite;
}

.online-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--success);
    font-weight: 500;
}

.messenger-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-item {
    display: flex;
    gap: 8px;
    max-width: 75%;
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-item.mine {
    align-self: flex-start;
    flex-direction: row;
}

.message-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    align-self: flex-end;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message-body {
    background: #252525;
    padding: 8px 14px;
    border-radius: 12px;
    border-top-left-radius: 2px;
    position: relative;
}

.message-item.mine .message-body {
    background: rgba(192, 192, 192, 0.12);
    border-top-left-radius: 12px;
    border-top-right-radius: 2px;
}

.message-sender {
    font-size: 0.75rem;
    color: var(--silver);
    font-weight: 600;
    margin-bottom: 2px;
}

.message-text {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
    word-break: break-word;
}

.message-text p {
    margin: 0;
}

.message-time {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-align: left;
}

.message-item.mine .message-time {
    text-align: left;
}

.messenger-input {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    align-items: flex-end;
}

.messenger-input textarea {
    flex: 1;
    padding: 9px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: none;
    outline: none;
    transition: border-color var(--transition);
    max-height: 120px;
    min-height: 38px;
    line-height: 1.5;
}

.messenger-input textarea:focus {
    border-color: var(--silver-dark);
}

.messenger-input .btn {
    border-radius: 50%;
    width: 38px;
    height: 38px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    background: var(--silver);
    color: #111;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.messenger-input .btn:hover {
    background: var(--silver-light);
}

.messenger-input .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   News
   ======================================== */
.news-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item {
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.news-item:hover {
    border-color: var(--silver-dark);
}

.news-item h4 {
    font-size: 0.95rem;
    color: var(--silver-light);
    margin-bottom: 8px;
    font-weight: 600;
}

.news-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.news-meta {
    display: flex;
    gap: 16px;
    margin-top: 10px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.loading-text,
.empty-text {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
}

/* ========================================
   Profile
   ======================================== */
.profile-settings {
    display: grid;
    gap: 24px;
}

.avatar-section {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.avatar-preview {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.avatar-preview:hover .avatar-overlay {
    opacity: 1;
}

.avatar-overlay span {
    color: var(--silver-light);
    font-size: 0.85rem;
    font-weight: 500;
}

.profile-form {
    max-width: 500px;
    margin: 0 auto;
}

/* ========================================
   Coin Registration Form
   ======================================== */
.registration-form {
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Number Input Styling
   ======================================== */
.input-group {
    position: relative;
}

.input-group input[type="number"] {
    padding-left: 36px;
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Custom stepper buttons */
.number-stepper {
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 3px;
    opacity: .5;
    transition: opacity .25s ease;
}
.input-group:hover .number-stepper,
.input-group:focus-within .number-stepper {
    opacity: 1;
}

.stepper-btn {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--silver);
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all .2s ease;
    padding: 0;
    line-height: 1;
    user-select: none;
    box-shadow: 0 2px 4px rgba(0,0,0,.15);
}
.stepper-btn:hover {
    background: linear-gradient(145deg, #b8962f, #d4af37, #f0d68a);
    border-color: #d4af37;
    color: #111;
    transform: scale(1.15);
    box-shadow: 0 4px 14px rgba(212,175,55,.45), inset 0 0 20px rgba(212,175,55,.1);
}
.stepper-btn:active {
    transform: scale(.88);
    background: linear-gradient(145deg, #f0d68a, #d4af37);
    box-shadow: 0 2px 6px rgba(212,175,55,.3);
}
.input-group input[type="number"] {
    padding-left: 64px;
}

/* ========================================
   News Archive Page
   ======================================== */
.archive-search {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.archive-search input,
.archive-search select {
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
}

/* ========================================
   Translation Badge & Source Link
   ======================================== */
.translation-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 500;
    background: rgba(23, 162, 184, 0.15);
    color: var(--info);
    border: 1px solid rgba(23, 162, 184, 0.3);
    vertical-align: middle;
    margin-right: 4px;
}

.source-link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dashed rgba(192, 192, 192, 0.3);
    transition: border-color var(--transition);
}

.source-link:hover {
    color: var(--accent-hover);
    border-bottom-color: var(--accent-hover);
}

.archive-btn {
    margin-right: auto;
    opacity: 0.6;
    transition: opacity var(--transition);
}

.news-item:hover .archive-btn {
    opacity: 1;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(100%);
        box-shadow: none;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: -5px 0 30px rgba(0,0,0,0.5);
    }

    .sidebar-close {
        display: block;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-content {
        margin-right: 0;
        padding: 20px 16px 20px 12px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 13px;
    }

    .series-status-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .series-info {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters-row {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box input {
        width: 100%;
        min-width: 0;
    }

    .filter-group {
        flex-direction: column;
    }

    .table th,
    .table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .message-item {
        max-width: 90%;
    }

    .messenger-container {
        height: calc(100vh - 140px);
    }

    .checkbox-label {
        width: 100%;
    }

    .permissions-grid {
        flex-direction: column;
    }

    .login-box {
        padding: 24px 18px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 14px 10px;
    }

    .series-status-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .series-stat {
        padding: 10px;
    }

    .stat-value {
        font-size: 1rem;
    }

    .series-info {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   Scrollbar Styling
   ======================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--silver-dark);
}
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-secondary);
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.hidden { display: none; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }