/* ============================================================================
   MIT COB - Sistema de Gestão
   Modern CSS Framework v2.0
   Design System: Clean, Professional, SaaS-inspired
============================================================================ */

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

html {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* === CSS VARIABLES === */
:root {
    /* Colors - Indigo Palette */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    
    /* Semantic Colors */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-sidebar: var(--gray-900);
    
    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    
    /* Borders */
    --border-color: var(--gray-200);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    
    /* Sidebar Offset - Dinâmico baseado na presença da sidebar */
    --sidebar-offset: 0px; /* Padrão: sem sidebar */
}

/* Quando sidebar está presente, ativar offset */
body.has-sidebar {
    --sidebar-offset: var(--sidebar-width);
}

/* FASE 4.1: Sidebar colapsada (260px → 80px) */
body.sidebar-collapsed {
    --sidebar-width: 80px;
    --sidebar-offset: 80px;
}

body.sidebar-collapsed.has-sidebar {
    --sidebar-offset: 80px;
}

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

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
}

a {
    text-decoration: none;
    color: var(--primary-600);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* === CONTAINER OVERRIDES (Bootstrap Compatibility) === */
.container,
.container-fluid,
.container-xl,
.container-lg,
.container-md,
.container-sm {
    max-width: 100%;
    box-sizing: border-box;
}

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

.app-wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    /* REMOVIDO: padding-left: 0 !important - conflitava com layout.css */
    box-sizing: border-box;
    overflow-x: hidden;
}

/* DESKTOP: Compensar sidebar via padding-left no wrapper */
@media (min-width: 992px) {
    .app-wrapper {
        padding-left: var(--sidebar-width, 260px);
    }
    
    .app-wrapper.sidebar-collapsed {
        padding-left: var(--sidebar-width-collapsed, 80px);
    }
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* REMOVIDO: margin-left e width calc - agora usa padding no app-wrapper */
    margin-left: 0;
    background-color: var(--bg-secondary);
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
    transition: margin-left var(--transition-slow), width var(--transition-slow);
}

.page-content {
    flex: 1;
    padding: 0;
    max-width: 100%;
    width: 100%;
    margin: 0;
}

.main-content {
    flex: 1;
    padding: 24px;
    width: 100%;
    max-width: 100%;
    background-color: var(--bg-secondary);
    margin-left: 0;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* === SIDEBAR === */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--bg-sidebar);
    color: white;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--transition-slow), transform var(--transition-base);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-header h6 {
    font-size: 0.75rem;
    font-weight: var(--font-weight-normal);
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-menu {
    list-style: none;
    padding: var(--spacing-md);
}

.sidebar-menu > li {
    margin-bottom: var(--spacing-sm);
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 0.75rem var(--spacing-md);
    color: var(--gray-300);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateX(4px);
}

.sidebar-menu a.active {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    box-shadow: var(--shadow-md);
    font-weight: var(--font-weight-semibold);
}

/* FASE 4.2: Link ativo dentro de submenu */
.submenu-list a.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-weight: var(--font-weight-semibold);
    border-left: 3px solid var(--primary-400);
}

.sidebar-menu a i {
    margin-right: var(--spacing-md);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-menu a .nav-text {
    transition: opacity var(--transition-fast), width var(--transition-fast);
}

/* Sidebar Submenu */
.sidebar-submenu > .submenu-toggle {
    justify-content: space-between;
}

.submenu-toggle .arrow-icon {
    transition: transform var(--transition-base);
    font-size: 0.8rem;
}

.sidebar-submenu.open > .submenu-toggle .arrow-icon {
    transform: rotate(180deg);
}

/* FASE 4.2: Submenu com animação height suave */
.submenu-list {
    list-style: none;
    height: 0;
    overflow: hidden;
    transition: height 280ms cubic-bezier(0.4, 0, 0.2, 1);
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    margin-top: var(--spacing-xs);
    will-change: height;
}

.sidebar-submenu.open .submenu-list {
    /* Height será controlado via JS inline */
    padding: var(--spacing-xs) 0;
}

.submenu-list li a {
    padding-left: 3rem;
    font-size: 0.875rem;
}

/* FASE 4.1: Estilos para sidebar colapsada */
body.sidebar-collapsed .sidebar {
    width: 80px;
}

body.sidebar-collapsed .sidebar-menu a {
    justify-content: center;
    padding: 0.75rem 0;
}

body.sidebar-collapsed .sidebar-menu a i {
    margin-right: 0;
}

body.sidebar-collapsed .sidebar-menu a .nav-text,
body.sidebar-collapsed .submenu-toggle .arrow-icon {
    display: none;
}

body.sidebar-collapsed .submenu-list {
    display: none;
}

body.sidebar-collapsed .sidebar-brand {
    padding: var(--spacing-md) 0;
    text-align: center;
}

body.sidebar-collapsed .sidebar-brand .brand-name {
    display: none;
}

body.sidebar-collapsed .sidebar-brand i {
    font-size: 1.5rem;
}

/* === TOP HEADER === */
.top-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: 900;
    box-shadow: var(--shadow-sm);
    /* MODELO ÚNICO: Top header alinha com main-wrapper */
    left: var(--sidebar-offset);
    width: calc(100% - var(--sidebar-offset));
    /* FASE 4.1: Não usar max-width aqui (conflita com calc) */
    box-sizing: border-box;
    transition: left var(--transition-slow), width var(--transition-slow);
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.sidebar-toggle:hover {
    background-color: var(--gray-100);
}

/* Search Bar */
.search-bar {
    position: relative;
    width: 400px;
}

.search-bar i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-bar input {
    width: 100%;
    padding: 0.625rem 1rem 0.625rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* Header Items */
.header-item {
    position: relative;
}

.btn-icon {
    position: relative;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

.badge-notification {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--danger);
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: 999px;
    font-weight: var(--font-weight-bold);
}

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

.status-success { background-color: var(--success); }
.status-danger { background-color: var(--danger); }
.status-warning { background-color: var(--warning); }

/* User Profile Button */
.user-profile-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.5rem var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-profile-btn:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-300);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 0.875rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.user-name {
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    color: var(--text-primary);
}

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

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

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1000;
    min-width: 250px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.dropdown.show .dropdown-menu {
    display: block;
    animation: dropdownFadeIn 0.2s ease;
}

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

.dropdown-menu-end {
    right: 0;
    left: auto;
}

.dropdown-divider {
    height: 1px;
    margin: var(--spacing-sm) 0;
    background-color: var(--border-color);
    border: none;
}

.dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.625rem var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--gray-100);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
}

/* Notifications Dropdown */
.notifications-dropdown {
    min-width: 350px;
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.notification-item:hover {
    background-color: var(--gray-50);
}

.notification-item.unread {
    background-color: var(--primary-50);
}

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

.notification-icon.success { background-color: var(--success); color: white; }
.notification-icon.danger { background-color: var(--danger); color: white; }
.notification-icon.warning { background-color: var(--warning); color: white; }
.notification-icon.info { background-color: var(--info); color: white; }

.notification-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.notification-content small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.notification-time {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* === BREADCRUMBS === */
.breadcrumb-container {
    background-color: transparent;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--text-muted);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary-600);
}

.breadcrumb-item i {
    margin-right: var(--spacing-xs);
}

/* === PAGE HEADER === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.page-header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.page-header-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.page-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.page-header-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* === CARDS === */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--gray-50);
}

.card-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.card-title i {
    color: var(--primary-600);
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    background-color: var(--gray-50);
}

/* === KPI CARDS === */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    flex-shrink: 0;
}

.kpi-card.kpi-success .kpi-icon { background: linear-gradient(135deg, #10b981, #059669); }
.kpi-card.kpi-danger .kpi-icon { background: linear-gradient(135deg, #ef4444, #dc2626); }
.kpi-card.kpi-info .kpi-icon { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.kpi-card.kpi-warning .kpi-icon { background: linear-gradient(135deg, #f59e0b, #d97706); }

.kpi-content {
    flex: 1;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.kpi-value {
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0;
}

.kpi-trend {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-xs);
}

.kpi-trend.positive {
    color: var(--success);
}

.kpi-trend.negative {
    color: var(--danger);
}

.kpi-info-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* === CHARTS === */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* === REVENUE BREAKDOWN === */
.revenue-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.revenue-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.revenue-item.total {
    border-top: 2px solid var(--border-color);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.revenue-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.color-indicator {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.revenue-value {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

/* === METRICS GRID === */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.metric-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.metric-card:hover {
    box-shadow: var(--shadow-md);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.bg-primary { background-color: var(--primary-600); }
.bg-success { background-color: var(--success); }
.bg-danger { background-color: var(--danger); }
.bg-warning { background-color: var(--warning); }
.bg-info { background-color: var(--info); }
.bg-secondary { background-color: var(--gray-600); }
.bg-purple { background-color: #8b5cf6; }
.bg-cyan { background-color: #06b6d4; }
.bg-indigo { background-color: var(--primary-500); }
.bg-dark { background-color: var(--gray-800); }

.metric-content {
    flex: 1;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-medium);
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-700);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--gray-600);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--gray-700);
}

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--gray-50);
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1;
}

.badge-primary {
    background-color: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* === ALERTS === */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left-color: var(--success);
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border-left-color: var(--danger);
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left-color: var(--warning);
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left-color: var(--info);
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-text {
    flex: 1;
}

.alert-link {
    color: inherit;
    text-decoration: underline;
    font-weight: var(--font-weight-semibold);
}

.alert-link:hover {
    opacity: 0.8;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

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

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    background-color: var(--gray-100);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-message {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* === LOADING STATE === */
.loading-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
}

/* === FORMS === */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.filter-form {
    display: flex;
    gap: var(--spacing-md);
}

.filter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--spacing-md);
    align-items: end;
    width: 100%;
}

/* === FOOTER === */
.app-footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-left p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-600);
}

.footer-version {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0.25rem 0.625rem;
    background-color: var(--gray-100);
    border-radius: 999px;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 0px;
        --sidebar-offset: 0px !important; /* Forçar offset 0 em mobile */
    }
    
    body.has-sidebar {
        --sidebar-offset: 0px !important;
    }
    
    .main-wrapper,
    .main-content {
        margin-left: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .top-header {
        left: 0;
        width: 100%;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    body.sidebar-open {
        overflow: hidden;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    body.sidebar-open .sidebar-overlay {
        display: block;
    }
    
    .search-bar {
        width: 200px;
    }
    
    .page-content {
        padding: var(--spacing-lg);
    }
    
    .kpi-grid,
    .charts-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* FASE 4.1: Responsive - Em mobile, sidebar sempre overlay (não colapsar) */
@media (max-width: 992px) {
    body.sidebar-collapsed {
        --sidebar-width: 260px;
        --sidebar-offset: 0px;
    }
    
    .sidebar-toggle-btn {
        display: none; /* Ocultar botão toggle em mobile */
    }
    
    body.sidebar-collapsed .sidebar {
        width: 260px; /* Manter largura completa em mobile */
    }
    
    body.sidebar-collapsed .sidebar-menu a {
        justify-content: flex-start; /* Voltar alinhamento normal */
        padding: 0.75rem var(--spacing-md);
    }
    
    body.sidebar-collapsed .sidebar-menu a i {
        margin-right: var(--spacing-md); /* Restaurar margem */
    }
    
    body.sidebar-collapsed .sidebar-menu a .nav-text,
    body.sidebar-collapsed .submenu-toggle .arrow-icon,
    body.sidebar-collapsed .submenu-list,
    body.sidebar-collapsed .sidebar-brand .brand-name {
        display: block; /* Mostrar textos em mobile */
    }
}

@media (max-width: 768px) {
    .user-info {
        display: none;
    }
    
    .search-bar {
        display: none;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .kpi-value {
        font-size: 1.5rem;
    }
}

/* === UTILITIES === */
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-center { text-align: center !important; }
.visually-hidden { 
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border-width: 0 !important;
}

/* ===== SaaS Admin extras (patch) ===== */

/* hover usado em listas internas do dashboard */
.hover-bg-light:hover{
  background-color: rgba(15, 23, 42, 0.04);
  transition: background-color 0.2s ease;
}

/* card com “accent bar” sem precisar inline style repetido */
.saas-card-accent{
  border-left: 4px solid var(--accent, var(--saas-primary));
}

/* iconbox menor */
.saas-iconbox-sm{
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #EEF2FF;
  color: var(--saas-primary);
}

/* botão/linha de ação (ações rápidas) */
.saas-action{
  border-width: 2px;
  border-radius: 14px;
}
.saas-action-icon{
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 1.3rem;
}

/* sticky sidebar do create */
.saas-sticky{
  position: sticky;
  top: 20px;
}