/* ================================================
   SZAK-CLIMATE CRM - KÖZÖS STÍLUSOK
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ================================================
   CSS VÁLTOZÓK
   ================================================ */
:root {
    /* Szak-Climate márka színek */
    --primary-dark: #1a365d;
    --primary-blue: #2563eb;
    --primary-light: #3b82f6;
    --accent-teal: #0d9488;
    --accent-light: #14b8a6;
    
    /* Szürke skála */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Státusz színek */
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --info: #0284c7;
    --info-light: #e0f2fe;
    
    /* Árnyékok */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Átmenetek */
    --transition-fast: 0.15s ease;
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Sidebar szélesség */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
}

/* ================================================
   RESET & ALAP STÍLUSOK
   ================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-700);
    background: var(--gray-100);
    min-height: 100vh;
}

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

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

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

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px;
    min-height: 100vh;
    transition: margin-left var(--transition);
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed);
}

/* ================================================
   SIDEBAR
   ================================================ */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-dark) 0%, #0f2744 100%);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition);
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.sidebar-logo-icon {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.sidebar-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.sidebar-logo-text {
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
}

.sidebar-logo-text span {
    display: block;
    font-size: 10px;
    font-weight: 400;
    opacity: 0.7;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 10px;
    overflow-y: auto;
}

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

.nav-section-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.4);
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: var(--primary-blue);
    color: white;
}

.nav-item-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.nav-item-text {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

.nav-item-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent-teal);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

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

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
}

.sidebar-logout {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.sidebar-logout:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ================================================
   PAGE HEADER
   ================================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 20px;
}

.page-header-left {
    flex: 1;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.page-subtitle {
    font-size: 14px;
    color: var(--gray-500);
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.page-breadcrumb a {
    color: var(--gray-500);
}

.page-breadcrumb a:hover {
    color: var(--primary-blue);
}

.page-breadcrumb-separator {
    color: var(--gray-300);
}

.page-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

/* ================================================
   CARDS
   ================================================ */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* ================================================
   BUTTONS
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #10b981 100%);
    color: white;
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid #fecaca;
}

.btn-danger:hover:not(:disabled) {
    background: #fecaca;
}

.btn-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid #fcd34d;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
}

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

.btn-lg {
    padding: 14px 24px;
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

.btn-block {
    width: 100%;
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    color: var(--gray-800);
    background: white;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

.form-hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

.form-input.error,
.form-select.error {
    border-color: var(--danger);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

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

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

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

.form-check-label {
    font-size: 14px;
    color: var(--gray-700);
    cursor: pointer;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-600);
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.table th.sortable {
    cursor: pointer;
    user-select: none;
}

.table th.sortable:hover {
    color: var(--primary-blue);
}

.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

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

.table tbody tr.selected {
    background: #eff6ff;
}

.table .text-right {
    text-align: right;
}

.table .text-center {
    text-align: center;
}

/* ================================================
   BADGES & STATUS
   ================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-default {
    background: var(--gray-100);
    color: var(--gray-600);
}

.badge-primary {
    background: #dbeafe;
    color: var(--primary-blue);
}

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

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

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

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

/* Status dot */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.success { background: var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.danger { background: var(--danger); }
.status-dot.info { background: var(--info); }
.status-dot.default { background: var(--gray-400); }

/* ================================================
   KPI CARDS
   ================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.kpi-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
}

.kpi-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.kpi-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.kpi-card-icon.primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-light) 100%);
    color: white;
}

.kpi-card-icon.success {
    background: linear-gradient(135deg, var(--success) 0%, #10b981 100%);
    color: white;
}

.kpi-card-icon.warning {
    background: linear-gradient(135deg, var(--warning) 0%, #f59e0b 100%);
    color: white;
}

.kpi-card-icon.danger {
    background: linear-gradient(135deg, var(--danger) 0%, #ef4444 100%);
    color: white;
}

.kpi-card-icon.teal {
    background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-light) 100%);
    color: white;
}

.kpi-card-change {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-full);
}

.kpi-card-change.positive {
    background: var(--success-light);
    color: var(--success);
}

.kpi-card-change.negative {
    background: var(--danger-light);
    color: var(--danger);
}

.kpi-card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.kpi-card-label {
    font-size: 13px;
    color: var(--gray-500);
}

/* ================================================
   FILTERS
   ================================================ */
.filter-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 20px;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group.search {
    flex: 2;
    min-width: 250px;
}

.filter-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.filter-input,
.filter-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-800);
    background: white;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

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

/* ================================================
   TABS
   ================================================ */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.tab {
    flex: 1;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    color: var(--gray-600);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.tab:hover {
    color: var(--gray-800);
}

.tab.active {
    background: white;
    color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
}

.tab-content {
    display: none;
}

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

/* ================================================
   EMPTY STATE
   ================================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.empty-state-icon {
    font-size: 50px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.empty-state-text {
    font-size: 14px;
    margin-bottom: 20px;
}

/* ================================================
   LOADING
   ================================================ */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

/* ================================================
   ALERTS & NOTIFICATIONS
   ================================================ */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.alert-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.alert-text {
    font-size: 13px;
}

.alert-success {
    background: var(--success-light);
    border: 1px solid #86efac;
    color: #166534;
}

.alert-warning {
    background: var(--warning-light);
    border: 1px solid #fcd34d;
    color: #92400e;
}

.alert-danger {
    background: var(--danger-light);
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-info {
    background: var(--info-light);
    border: 1px solid #7dd3fc;
    color: #075985;
}

/* ================================================
   MODAL
   ================================================ */
.modal-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: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.modal {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition);
}

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

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: 20px;
    color: var(--gray-500);
}

.modal-close:hover {
    background: var(--gray-100);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ================================================
   UTILITY CLASSES
   ================================================ */
.text-primary { color: var(--primary-blue); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray-500); }

.text-sm { font-size: 12px; }
.text-lg { font-size: 16px; }
.text-xl { font-size: 20px; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 20px; }

.hidden { display: none !important; }

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1200px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .form-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        gap: 16px;
    }
    
    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid,
    .form-grid-3,
    .form-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .tabs {
        flex-direction: column;
    }
}


/* ================================================
   HAMBURGER MENU - COLLAPSIBLE SIDEBAR
   ================================================ */
.hamburger-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 150;
    width: 40px;
    height: 40px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.hamburger-btn:hover {
    background: var(--gray-50);
    box-shadow: var(--shadow-md);
}

.hamburger-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--gray-600);
    border-radius: 2px;
    transition: all var(--transition);
}

/* Hamburger X animation when sidebar is open */
.sidebar.open + .main-content .hamburger-btn span:nth-child(1),
body.sidebar-open .hamburger-btn span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

body.sidebar-open .hamburger-btn span:nth-child(2) {
    opacity: 0;
}

body.sidebar-open .hamburger-btn span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar collapsed state */
.sidebar {
    transform: translateX(-100%);
}

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

/* Main content adjustment */
.main-content {
    margin-left: 0;
    padding-left: 80px; /* Space for hamburger button */
}

body.sidebar-open .main-content {
    margin-left: var(--sidebar-width);
    padding-left: 24px;
}

/* Overlay when sidebar is open on mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

/* Hide hamburger in sidebar header area when open */
body.sidebar-open .hamburger-btn {
    left: calc(var(--sidebar-width) + 20px);
}

/* Desktop behavior - sidebar can be toggled */
@media (min-width: 993px) {
    body.sidebar-open .sidebar-overlay {
        display: none;
    }
}

/* Mobile - always show overlay */
@media (max-width: 992px) {
    .main-content {
        padding-left: 24px;
    }
    
    body.sidebar-open .main-content {
        margin-left: 0;
    }
    
    body.sidebar-open .hamburger-btn {
        left: 20px;
    }
}

/* ================================================
   SIDEBAR COLLAPSED STATE (Icons Only)
   ================================================ */
.sidebar:not(.open) .nav-item {
    justify-content: center;
    padding: 12px;
}

.sidebar:not(.open) .nav-item-text {
    display: none;
}

.sidebar:not(.open) .nav-item-icon {
    margin-right: 0;
    font-size: 20px;
}

.sidebar:not(.open) .nav-section-title {
    display: none;
}

.sidebar:not(.open) .sidebar-logo-text {
    display: none;
}

.sidebar:not(.open) .sidebar-header {
    padding: 16px 8px;
}

.sidebar:not(.open) .sidebar-logo-icon {
    margin: 0 auto;
}

.sidebar:not(.open) .sidebar-user-info {
    display: none;
}

.sidebar:not(.open) .sidebar-user {
    justify-content: center;
    padding: 8px 0;
}

.sidebar:not(.open) .sidebar-settings-btn {
    display: none;
}

.sidebar:not(.open) .sidebar-user-avatar {
    cursor: pointer;
}

/* Settings Button in Sidebar Footer */
.sidebar-settings-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.sidebar-settings-btn:hover {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* ================================================
   SETTINGS POPUP (Global)
   ================================================ */
.settings-popup {
    position: fixed;
    bottom: 70px;
    left: 70px;
    width: 280px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 1000;
}

.settings-popup.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sidebar.open ~ .settings-popup.open,
.sidebar.open + .settings-popup.open {
    left: 270px;
}

.settings-popup-header {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.settings-popup-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--gray-900);
    margin-bottom: 2px;
}

.settings-popup-email {
    font-size: 13px;
    color: var(--gray-500);
}

.settings-popup-body {
    padding: 8px;
}

.settings-popup-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 13px;
}

.settings-popup-label {
    color: var(--gray-500);
}

.settings-popup-value {
    color: var(--gray-800);
    font-weight: 500;
}

.settings-popup-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--gray-700);
    font-size: 14px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.settings-popup-item:hover {
    background: var(--gray-100);
}

.settings-popup-item.danger {
    color: var(--danger);
}

.settings-popup-item.danger:hover {
    background: var(--danger-light);
}

.settings-popup-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 8px 0;
}