/* ============================================
   Obecný systém - Premium Dark Theme CSS
   ============================================ */

/* ---- CSS Variables ---- */
:root {
    /* Colors */
    --bg-primary: #0f1117;
    --bg-secondary: #161923;
    --bg-card: #1c1f2e;
    --bg-card-hover: #232740;
    --bg-input: #1a1d2e;
    --bg-sidebar: #12141f;
    
    --text-primary: #e8eaf0;
    --text-secondary: #8b8fa3;
    --text-muted: #5c6078;
    --text-white: #ffffff;

    --accent-primary: #6366f1;
    --accent-primary-hover: #818cf8;
    --accent-primary-glow: rgba(99, 102, 241, 0.25);
    --accent-secondary: #8b5cf6;
    
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-color-light: rgba(255, 255, 255, 0.1);
    --border-color-focus: var(--accent-primary);
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--accent-primary-glow);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    --sidebar-width: 260px;
    --topbar-height: 64px;
    
    --transition-fast: 0.15s ease;
    --transition: 0.25s ease;
    --transition-slow: 0.4s ease;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

::selection {
    background: var(--accent-primary);
    color: var(--text-white);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition);
}

.content-wrapper {
    padding: 24px 32px;
    flex: 1;
    animation: fadeInUp 0.4s ease;
}

.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-header {
    padding: 20px 22px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-white);
}

.sidebar-logo i {
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

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

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

.nav-section-title {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-primary-glow);
    color: var(--accent-primary-hover);
}

.nav-link.active i {
    color: var(--accent-primary-hover);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.nav-link-danger {
    color: var(--danger) !important;
}

.nav-link-danger:hover {
    background: var(--danger-bg) !important;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.sidebar-version {
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 99;
}

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px;
}

.top-bar-title h1 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.top-bar-actions {
    margin-left: auto;
}

/* User dropdown */
.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.user-dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color-light);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-white);
}

.user-avatar-sm {
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
}

.user-avatar-xs {
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.user-dropdown-toggle i.fa-chevron-down {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 200;
    overflow: hidden;
}

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

.dropdown-header {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dropdown-header strong {
    font-size: 0.9rem;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 0.87rem;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

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

.dropdown-item-danger {
    color: var(--danger) !important;
}

.dropdown-item-danger:hover {
    background: var(--danger-bg) !important;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    border-color: var(--border-color-light);
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--accent-primary-hover);
    font-size: 0.95rem;
}

.card-body {
    padding: 24px;
}

.card-welcome {
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.12) 0%, 
        rgba(139, 92, 246, 0.08) 50%, 
        rgba(59, 130, 246, 0.06) 100%);
    border-color: rgba(99, 102, 241, 0.2);
}

.card-stat {
    position: relative;
    overflow: hidden;
}

.card-stat::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(99, 102, 241, 0.04));
    pointer-events: none;
}

/* ============================================
   Dashboard
   ============================================ */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card-full-width {
    grid-column: 1 / -1;
}

.welcome-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.welcome-text h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.welcome-icon {
    font-size: 2.5rem;
    opacity: 0.3;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.stat-icon-primary {
    background: var(--accent-primary-glow);
    color: var(--accent-primary-hover);
}

.stat-icon-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-icon-info {
    background: var(--info-bg);
    color: var(--info);
}

.stat-icon-success {
    background: var(--success-bg);
    color: var(--success);
}

.stat-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.card-stat .card-body {
    display: flex;
    flex-direction: column;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 12px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    transition: all var(--transition);
}

.quick-action:hover {
    background: var(--accent-primary-glow);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.quick-action i {
    font-size: 1.5rem;
}

/* ============================================
   Auth Pages (login, 2FA)
   ============================================ */
.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    animation: fadeInUp 0.5s ease;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--info));
}

.auth-card-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
    box-shadow: 0 4px 20px var(--accent-primary-glow);
}

.auth-card-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
}

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

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-link {
    color: var(--text-secondary);
    font-size: 0.87rem;
}

.auth-link:hover {
    color: var(--accent-primary-hover);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 18px;
    flex: 1;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-label i {
    margin-right: 4px;
    font-size: 0.8rem;
}

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

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

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

.form-control:disabled,
.form-control[readonly] {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-bg);
}

.form-control-code {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    padding: 14px;
}

select.form-control {
    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='%238b8fa3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

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

.form-text {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.form-check {
    padding-top: 12px;
}

.form-check-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.input-group {
    display: flex;
    position: relative;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group-append {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color-light);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.input-group-append:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

/* Search form input group */
.search-form .input-group {
    max-width: 500px;
}

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.87rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    outline: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-white);
    box-shadow: 0 2px 12px var(--accent-primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px var(--accent-primary-glow);
    transform: translateY(-1px);
    color: var(--text-white);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-warning {
    background: var(--warning);
    color: #1a1a1a;
}

.btn-warning:hover {
    background: #d97706;
    color: #1a1a1a;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: var(--text-white);
}

.btn-danger-outline {
    background: transparent;
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

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

.btn-success-outline {
    background: transparent;
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--success);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

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

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

.table thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    font-size: 0.87rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

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

.row-inactive {
    opacity: 0.5;
}

.user-info-inline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.d-block {
    display: block;
}

.inline-form {
    display: inline;
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.badge-outline {
    background: transparent;
    border: 1px solid var(--border-color-light);
    color: var(--text-secondary);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 0.87rem;
    border: 1px solid transparent;
    animation: fadeInDown 0.3s ease;
    transition: opacity var(--transition), transform var(--transition);
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.5;
    cursor: pointer;
    padding: 4px;
    font-size: 0.85rem;
}

.alert-close:hover {
    opacity: 1;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: rgba(34, 197, 94, 0.2);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: var(--info-bg);
    color: var(--info);
    border-color: rgba(59, 130, 246, 0.2);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    justify-content: center;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color-light);
    color: var(--text-primary);
}

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

/* ============================================
   Page Header
   ============================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header-left h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.page-header-right {
    display: flex;
    gap: 8px;
}

/* ============================================
   Profile Page
   ============================================ */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.profile-grid .card:last-child {
    grid-column: 1 / -1;
}

.security-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
}

.security-item-icon {
    font-size: 1.3rem;
    width: 36px;
    text-align: center;
}

.security-item-text {
    flex: 1;
}

.security-item-text strong {
    display: block;
    font-size: 0.9rem;
}

.security-item-text p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

/* ============================================
   2FA Setup
   ============================================ */
.settings-grid {
    max-width: 700px;
}

.twofa-status {
    text-align: center;
    padding: 20px;
    margin-bottom: 20px;
}

.twofa-status-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.twofa-setup {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.twofa-step {
    display: flex;
    gap: 18px;
}

.step-number {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    background: var(--accent-primary-glow);
    color: var(--accent-primary-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.87rem;
    margin-bottom: 12px;
}

.qr-code-wrapper {
    display: flex;
    justify-content: center;
    padding: 24px;
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    max-width: 248px;
}

.qr-code {
    width: 200px;
    height: 200px;
}

.secret-key {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    max-width: 360px;
}

.secret-key code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--accent-primary-hover);
    word-break: break-all;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 14px;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 0.87rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-muted {
    color: var(--text-muted) !important;
}

.text-success {
    color: var(--success) !important;
}

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

.text-info {
    color: var(--info) !important;
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.4s ease;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-close {
        display: block;
    }

    .sidebar-toggle {
        display: block;
    }

    .sidebar-overlay {
        display: block;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    body.sidebar-open .sidebar-overlay {
        opacity: 1;
        visibility: visible;
    }

    .main-content {
        margin-left: 0;
    }

    .content-wrapper {
        padding: 20px 16px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

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

    .profile-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .welcome-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .top-bar {
        padding: 0 16px;
    }

    .user-name {
        display: none;
    }

    .auth-card {
        padding: 28px 24px;
    }

    .table thead th,
    .table tbody td {
        padding: 10px 12px;
    }

    .quick-actions {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}