/* SMTP Panel Pro - Modern Theme System */

/* Dark Theme (Default) */
:root, [data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #15151f;
    --bg-hover: #1e1e2a;
    
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --border-color: #2a2a3a;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    --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);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    --bg-pattern-1: rgba(99, 102, 241, 0.08);
    --bg-pattern-2: rgba(139, 92, 246, 0.06);
    --bg-pattern-3: rgba(168, 85, 247, 0.04);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-primary: #4f46e5;
    --accent-secondary: #6366f1;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%);
    
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #2563eb;
    
    --border-color: #e2e8f0;
    
    --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 24px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(79, 70, 229, 0.1);
    
    --bg-pattern-1: rgba(79, 70, 229, 0.03);
    --bg-pattern-2: rgba(124, 58, 237, 0.02);
    --bg-pattern-3: rgba(147, 51, 234, 0.02);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, var(--bg-pattern-1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, var(--bg-pattern-2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, var(--bg-pattern-3) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    transition: background var(--transition-slow);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: all var(--transition-normal);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

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

a:hover {
    color: var(--accent-secondary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

/* Layout */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform var(--transition-normal);
    overflow: visible;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: var(--shadow-glow);
}

.sidebar-logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
    overflow-x: visible;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 8px 12px;
    margin-bottom: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 4px;
}

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

.nav-item.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--accent-gradient);
    border-radius: 0 4px 4px 0;
}

.nav-item i {
    width: 20px;
    font-size: 1.1rem;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    background: var(--accent-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    position: relative;
    overflow: visible;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-tertiary);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Header */
.top-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.balance-display {
    background: var(--bg-tertiary);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--border-color);
}

.balance-display i {
    color: var(--success);
    font-size: 1.2rem;
}

.balance-amount {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--success);
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 32px;
}

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

.card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--accent-primary);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
    opacity: 1;
}

/* Stat Box - Alternative stat card style */
.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
}

.stat-box-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: 4px;
}

.stat-box-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.stat-icon.primary { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }
.stat-icon.success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.stat-icon.info { background: rgba(59, 130, 246, 0.15); color: var(--info); }

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
    font-family: var(--font-mono);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-change {
    margin-top: 12px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--danger); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-primary);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

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

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

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--border-radius-sm);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

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

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a0a0b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

.form-hint {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-error {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--danger);
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.input-group .btn {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.input-group-text {
    padding: 14px 18px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

.table th,
.table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
}

.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;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.badge-premium { background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%); color: #fff; font-weight: 600; }

/* Upgrade CTA */
.nav-item.upgrade-cta {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(249, 115, 22, 0.15) 100%);
    border: 1px dashed var(--warning);
    color: var(--warning) !important;
    margin: 8px;
    border-radius: var(--border-radius);
    text-align: center;
    padding: 12px !important;
}
.nav-item.upgrade-cta:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.25) 0%, rgba(249, 115, 22, 0.25) 100%);
    border-style: solid;
}
.nav-item.upgrade-cta i {
    color: var(--warning);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert i {
    font-size: 1.2rem;
    margin-top: 2px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--info);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

/* Inline display modal support (for onclick style.display='flex') */
.modal-overlay[style*="display: flex"],
.modal-overlay[style*="display:flex"] {
    opacity: 1;
    visibility: visible;
}

/* Modal Container (alternative class for simpler modals) */
.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.pagination-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

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

/* Login Page */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo-icon {
    width: 72px;
    height: 72px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
    box-shadow: var(--shadow-glow);
}

.auth-logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-title {
    text-align: center;
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 24px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 24px;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    color: var(--text-muted);
}

.empty-state-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Loading */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    min-width: 320px;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

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

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--info); }

.toast-icon {
    font-size: 1.2rem;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.w-100 { width: 100%; }

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .top-header {
        padding: 12px 16px;
    }
    
    .content-area {
        padding: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .table th,
    .table td {
        padding: 12px;
    }
    
    .auth-card {
        padding: 24px;
    }
}

/* Code/Mono */
code, .mono {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: white;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 9999;
}

/* Sidebar footer dropdown - yukarı açılsın */
.sidebar-footer .dropdown-menu {
    top: auto;
    bottom: 100%;
    transform: translateY(-10px);
    margin-bottom: 8px;
}

.sidebar-footer .dropdown.active .dropdown-menu {
    transform: translateY(0);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.dropdown-item i {
    width: 18px;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

/* Grid Layout */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: -12px;
}

.col {
    padding: 12px;
}

.col-6 { width: 50%; }
.col-4 { width: 33.333%; }
.col-3 { width: 25%; }
.col-12 { width: 100%; }

@media (max-width: 768px) {
    .col-6, .col-4, .col-3 {
        width: 100%;
    }
}

/* Action Buttons Group */
.action-btns {
    display: flex;
    gap: 8px;
}

.action-btns .btn {
    padding: 8px 12px;
    font-size: 0.85rem;
}

/* Switch Toggle */
.switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 26px;
    transition: all var(--transition-fast);
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 2px;
    bottom: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.switch input:checked + .switch-slider {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.switch input:checked + .switch-slider::before {
    transform: translateX(22px);
    background: white;
}

/* Progress Bar */
.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width var(--transition-slow);
}

/* Animated Progress Bar (Indeterminate) */
.progress-bar-animated {
    width: 100% !important;
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 0%,
        var(--accent-primary) 25%,
        var(--accent-secondary) 50%,
        var(--accent-primary) 75%,
        var(--bg-tertiary) 100%
    );
    background-size: 200% 100%;
    animation: progressShimmer 1.5s ease-in-out infinite;
}

@keyframes progressShimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Sending Status Card */
.sending-status-card {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.sending-status-card .card-header {
    background: rgba(99, 102, 241, 0.1);
}

.sending-status-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.4rem;
    color: var(--accent-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.sending-status-text {
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.sending-status-text strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.sending-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.sending-progress-count {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    font-weight: 600;
}

.sending-progress-percent {
    font-family: var(--font-mono);
    color: var(--text-muted);
}

/* Notifications */
.notification-bell {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    background: var(--danger);
    border-radius: 9px;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.notification-menu {
    padding: 0 !important;
}

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

.notification-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.notification-item:hover {
    background: var(--bg-hover);
}

.notification-item.unread {
    background: rgba(99, 102, 241, 0.05);
    border-left: 3px solid var(--accent-primary);
}

.notification-item-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.notification-item-icon.open { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.notification-item-icon.click { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.notification-item-icon.bounce { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.notification-item-icon.system { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }

.notification-item-content {
    flex: 1;
    min-width: 0;
}

.notification-item-title {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.notification-item-message {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-item-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.notification-empty {
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
}

.notification-empty i {
    font-size: 2rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* Attachment Styles */
.attachment-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-bottom: 8px;
}

.attachment-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-hover);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.attachment-info {
    flex: 1;
    min-width: 0;
}

.attachment-name {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.attachment-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Tooltip */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 1000;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}