/* ============================================
   QR PROMO PLATFORM - ENTERPRISE DESIGN
   Professional, clean design for enterprise customers
   ============================================ */

/* ============ CSS VARIABLES ============ */
:root {
    /* Primary Colors */
    --primary: #0078d4;
    --primary-dark: #005a9e;
    --primary-light: #deecf9;
    
    /* Secondary Colors */
    --secondary: #6c757d;
    --secondary-light: #e9ecef;
    
    /* Status Colors */
    --success: #28a745;
    --success-light: #d4edda;
    --warning: #ffc107;
    --warning-light: #fff3cd;
    --danger: #dc3545;
    --danger-light: #f8d7da;
    --info: #17a2b8;
    --info-light: #d1ecf1;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Background */
    --bg-main: #f5f6fa;
    --bg-card: #ffffff;
    --bg-sidebar: #2c3e50;
    --bg-header: #ffffff;
    
    /* Text */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --text-inverse: #ffffff;
    
    /* Borders */
    --border-color: #dee2e6;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 2px 4px 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);
    
    /* Transitions */
    --transition: all 0.2s ease;
    
    /* Spacing */
    --sidebar-width: 240px;
    
    /* Legacy variables for compatibility */
    --neon-cyan: var(--primary);
    --neon-magenta: #8e44ad;
    --neon-green: var(--success);
    --neon-orange: var(--warning);
    --neon-red: var(--danger);
    --neon-blue: var(--primary);
    --neon-purple: #6366f1;
    --cyber-darker: var(--gray-100);
    --cyber-card: var(--bg-card);
    --cyber-black: var(--gray-900);
    --text-cyan: var(--primary);
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
}

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

a:hover {
    color: var(--primary-dark);
}

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

/* ============ SIDEBAR ============ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-inverse);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
}

.sidebar-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    padding: 0.5rem 1.5rem;
    margin-top: 0.5rem;
}

.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.5);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-size: 0.9rem;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    text-decoration: none;
}

.nav-item.active {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-left-color: var(--primary);
}

.nav-item-icon {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: auto;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

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

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

.user-role {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.6);
}

/* ============ MAIN CONTENT ============ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ============ HEADER ============ */
.header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ============ PAGE CONTENT ============ */
.page-content {
    padding: 1.5rem 2rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--gray-50);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* Forms direkt in Cards brauchen Padding */
.card > form {
    padding: 1.25rem;
}

/* Confirm Dialog */
.confirm-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.15s ease;
}

.confirm-dialog {
    background: var(--bg-card, #fff);
    border-radius: var(--border-radius-lg, 12px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    padding: 1.75rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: scaleIn 0.15s ease;
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

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

.confirm-dialog h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary, #212529);
}

.confirm-dialog p {
    color: var(--text-secondary, #6c757d);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.confirm-actions .btn {
    min-width: 100px;
}

/* ============ STATS CARDS ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    overflow: hidden;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.orange { background: var(--warning-light); color: #e67e00; }
.stat-icon.purple { background: #e8daef; color: #8e44ad; }
.stat-icon.red { background: var(--danger-light); color: var(--danger); }

.stat-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

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

.btn-success:hover {
    background: #218838;
    border-color: #1e7e34;
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

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

/* ============ FORMS ============ */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--white);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

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

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* ============ TABS ============ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200, #e9ecef);
    padding: 0 1.5rem;
    background: var(--gray-50, #f8f9fa);
    gap: 0;
}

.tab-btn {
    padding: 0.75rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    color: var(--text-secondary, #6c757d);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s;
}

.tab-btn:hover {
    color: var(--primary, #0078d4);
}

.tab-btn.active {
    color: var(--primary, #0078d4);
    border-bottom-color: var(--primary, #0078d4);
    font-weight: 600;
}

.tab-content {
    display: none;
    padding: 1.5rem;
}

.tab-content.active {
    display: block;
}

/* ============ MODAL LARGE ============ */
.modal-content.modal-large {
    max-width: 680px;
}

.modal-content.modal-large .modal-body,
.modal-content.modal-large .tab-content {
    max-height: calc(80vh - 160px);
    overflow-y: auto;
}

/* ============ FORM HELPERS ============ */
.flex-2 { flex: 2; }

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary, #0078d4);
}

.checkbox-grid-sm {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.5rem;
}

.d-flex { display: flex; }
.align-center { align-items: center; }
.mb-0 { margin-bottom: 0; }
.mb-3 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1rem; }

.info-box {
    background: var(--info-light, #d1ecf1);
    border: 1px solid rgba(23, 162, 184, 0.2);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--gray-700, #495057);
    font-size: 0.9rem;
}

/* ============ COLOR PICKER ============ */
.color-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.color-picker {
    width: 40px;
    height: 38px;
    padding: 2px;
    border: 1px solid var(--gray-300, #dee2e6);
    border-radius: var(--border-radius, 8px);
    cursor: pointer;
    flex-shrink: 0;
}

.color-input-wrapper .form-control {
    flex: 1;
    font-family: monospace;
    font-size: 0.85rem;
}

/* ============ FORM SETTINGS ============ */
.form-settings-disabled {
    opacity: 0.5;
    pointer-events: none;
    transition: opacity 0.3s;
}

.form-settings-disabled.enabled {
    opacity: 1;
    pointer-events: auto;
}

/* ============ TABLES ============ */
.table-container {
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--gray-50);
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

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

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: #856404; }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-secondary { background: var(--gray-200); color: var(--gray-700); }

/* ============ MODALS ============ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 1rem;
}

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

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.modal-close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.modal-close-btn:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background: var(--gray-50);
}

/* ============ NOTIFICATIONS ============ */
.notification-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.notification {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 400px;
    border-left: 4px solid var(--primary);
    pointer-events: auto;
    animation: slideIn 0.3s ease;
}

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

.notification.success { border-left-color: var(--success); }
.notification.warning { border-left-color: var(--warning); }
.notification.error { border-left-color: var(--danger); }

.notification-icon {
    font-size: 1.25rem;
}

.notification-content {
    flex: 1;
}

.notification-message {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.notification-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.25rem;
    transition: var(--transition);
}

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

/* ============ GRIDS ============ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ============ UTILITIES ============ */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-cyan { color: var(--primary); font-weight: 600; }
.text-green { color: var(--success); font-weight: 600; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.text-red { color: var(--danger); }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.fw-bold { font-weight: 600; }
.fw-normal { font-weight: 400; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ============ LOADING ============ */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============ FILTERS ============ */
.filter-bar, .filter-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-group .form-control {
    min-width: 150px;
}

/* ============ CONFIRM DIALOG ============ */
.confirm-dialog {
    text-align: center;
}

.confirm-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.confirm-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.confirm-message {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ============ LOGIN PAGE ============ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0078d4 0%, #005a9e 100%);
    padding: 1rem;
}

.login-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
}

.login-header {
    background: var(--bg-sidebar);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.login-logo {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

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

.login-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.login-body {
    padding: 2rem;
}

.login-footer {
    padding: 1rem 2rem;
    background: var(--gray-50);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============ LIST ITEMS ============ */
.list-item, .qr-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.list-item:hover, .qr-list-item:hover {
    background: var(--gray-50);
}

.list-item:last-child, .qr-list-item:last-child {
    border-bottom: none;
}

.list-item-content, .qr-list-info {
    flex: 1;
    min-width: 0;
}

.list-item-content strong, .qr-list-info strong {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.list-item-actions, .qr-list-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* ============ SETTINGS STATUS ============ */
.smtp-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    margin-top: 1rem;
}

.status-icon {
    font-size: 1.25rem;
}

.status-icon.success { color: var(--success); }
.status-icon.error { color: var(--danger); }

.status-text {
    flex: 1;
    font-size: 0.875rem;
}

/* ============ MINI STATS ============ */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem !important;
    margin-bottom: 0;
}

.mini-stat-icon {
    font-size: 1.5rem;
}

.mini-stat-content {
    flex: 1;
}

.mini-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mini-stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 240px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-content {
        padding: 1rem;
    }
    
    .header {
        padding: 0 1rem;
    }
    
    .mobile-menu-btn {
        display: flex !important;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none !important;
    }
}

/* ============ CHART CONTAINER ============ */
.chart-container {
    position: relative;
    height: 250px;
}

/* ============ SETUP URL MODAL ============ */
#setup-url-input {
    font-family: monospace;
    font-size: 0.8rem;
}

/* ============ COLOR PICKER ============ */
input[type="color"] {
    width: 60px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
}

/* ============ CAMPAIGN CARD IN DASHBOARD ============ */
.campaign-card {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.campaign-card:last-child {
    border-bottom: none;
}

.campaign-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* ============ ACTIVITY LIST ============ */
.activity-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 0.875rem;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ============================================
   MOBILE & RESPONSIVE DESIGN
   ============================================ */

/* Tablet (max 1024px) */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .page-header .btn {
        width: 100%;
    }
}

/* Mobile (max 768px) */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    /* Sidebar hidden by default on mobile */
    .sidebar {
        transform: translateX(-100%);
        position: fixed;
        z-index: 1000;
        width: 280px;
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    /* Mobile overlay when sidebar open */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    /* Main content full width */
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    /* Mobile menu button */
    .mobile-menu-btn {
        display: flex !important;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 998;
        background: var(--primary);
        color: white;
        border: none;
        border-radius: var(--radius-md);
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        cursor: pointer;
        box-shadow: var(--shadow-md);
    }
    
    /* Stats grid - 2 columns on mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    /* Stat cards smaller on mobile */
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Cards */
    .card {
        border-radius: var(--radius-md);
    }
    
    .card-header {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Tables - horizontal scroll */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        min-width: 600px;
    }
    
    /* Forms */
    .form-row {
        flex-direction: column;
    }
    
    .form-group {
        width: 100%;
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
    }
    
    /* Modal */
    .modal-content {
        margin: 1rem;
        max-height: calc(100vh - 2rem);
        width: calc(100% - 2rem);
        max-width: none;
    }
    
    .modal-body {
        max-height: calc(100vh - 200px);
        overflow-y: auto;
    }
    
    /* Page header */
    .page-header {
        padding-top: 60px; /* Space for mobile menu button */
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    /* Charts */
    .chart-container {
        height: 250px;
    }
    
    /* Tabs */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
    }
    
    .tab-btn {
        flex-shrink: 0;
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Filters */
    .filters {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .filters .form-control {
        width: 100%;
    }
    
    /* QR Code display */
    .qr-code-container {
        max-width: 200px;
        margin: 0 auto;
    }
    
    /* Hide non-essential columns on mobile */
    .hide-mobile {
        display: none !important;
    }
    
    /* DJ Requests */
    .sessions-grid {
        grid-template-columns: 1fr;
    }
    
    .request-item {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .request-actions {
        width: 100%;
        justify-content: flex-end;
        margin-top: 0.5rem;
    }
}

/* Small Mobile (max 480px) */
@media (max-width: 480px) {
    /* Single column stats */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .stat-icon {
        order: -1;
    }
    
    /* Smaller text */
    .page-title {
        font-size: 1.25rem;
    }
    
    .page-subtitle {
        font-size: 0.85rem;
    }
    
    /* Compact cards */
    .card-header h3 {
        font-size: 1rem;
    }
    
    /* Full width buttons */
    .btn {
        width: 100%;
    }
    
    .d-flex.gap-2 {
        flex-direction: column;
    }
}

/* Touch-friendly targets */
@media (pointer: coarse) {
    .btn, 
    .nav-item, 
    .tab-btn,
    input[type="checkbox"],
    input[type="radio"],
    .toggle {
        min-height: 44px;
        min-width: 44px;
    }
    
    .form-control {
        min-height: 48px;
        font-size: 16px; /* Prevents iOS zoom */
    }
    
    select.form-control {
        font-size: 16px;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .mobile-menu-btn,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ============ TOAST NOTIFICATIONS ============ */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    border-left: 4px solid #6c757d;
    min-width: 280px;
    max-width: 420px;
    pointer-events: auto;
    animation: toastIn 0.3s ease;
    font-size: 0.9rem;
}

.toast.success { border-left-color: #28a745; }
.toast.error { border-left-color: #dc3545; }
.toast.warning { border-left-color: #ffc107; }
.toast.info { border-left-color: #0078d4; }

.toast.removing {
    animation: toastOut 0.3s ease forwards;
}

.toast-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
    background: #e9ecef;
    color: #6c757d;
}

.toast.success .toast-icon { background: #d4edda; color: #28a745; }
.toast.error .toast-icon { background: #f8d7da; color: #dc3545; }
.toast.warning .toast-icon { background: #fff3cd; color: #856404; }
.toast.info .toast-icon { background: #deecf9; color: #0078d4; }

.toast-message {
    flex: 1;
    color: #212529;
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    color: #adb5bd;
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.2s;
}
.toast-close:hover { color: #495057; }

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

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