/**
 * NDB Aviation - Estilos Principais
 * Sistema de Gestão Aeronáutica
 * Versão Responsiva Melhorada
 */

:root {
    /* Cores principais */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    
    /* Cores de status */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Cores neutras */
    --white: #ffffff;
    --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;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Espaçamentos */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    
    /* Bordas */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transições */
    --transition: all 0.2s ease-in-out;
    
    /* Z-index */
    --z-sidebar: 1000;
    --z-overlay: 1001;
    --z-topbar: 1002;
    --z-dropdown: 1050;
    --z-modal: 9999;
}

/* Tema escuro */
[data-theme="dark"] {
    --white: #0f172a;
    --gray-50: #1e293b;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-300: #64748b;
    --gray-400: #94a3b8;
    --gray-500: #cbd5e1;
    --gray-600: #e2e8f0;
    --gray-700: #f1f5f9;
    --gray-800: #f8fafc;
    --gray-900: #ffffff;
}

/* Reset e base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden; /* Evitar scroll horizontal global */
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Evitar scroll horizontal */
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-4);
}

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

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

/* Layout principal */
.main-wrapper {
    min-height: 100vh;
    display: flex;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: var(--z-sidebar);
    -webkit-transition: transform 0.3s ease-in-out;
    transition: transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar-header {
    padding: var(--spacing-2);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
    flex-shrink: 0;
}

.sidebar-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-nav {
    padding: var(--spacing-4) 0;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    margin-bottom: var(--spacing-1);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-6);
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    white-space: nowrap;
}

.nav-link:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
    text-decoration: none;
}

.nav-link.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-left-color: var(--primary-dark);
}

.nav-link i {
    width: 20px;
    margin-right: var(--spacing-3);
    text-align: center;
    flex-shrink: 0;
}

/* Overlay para sidebar móvel */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sidebar) - 1);
    display: none;
    opacity: 0;
    -webkit-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Botão sidebar-toggle - compatibilidade iOS touch */
.sidebar-toggle {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    cursor: pointer;
}

/* Main content */
.main-content {
    flex: 1;
    margin-left: 280px;
    transition: var(--transition);
    min-width: 0; /* Importante para evitar overflow */
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed + .main-content {
    margin-left: 80px;
}

/* Topbar */
.topbar {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 0 var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    position: sticky;
    top: 0;
    z-index: var(--z-topbar);
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    min-width: 0;
}

.topbar-left h4 {
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-shrink: 0;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    padding: var(--spacing-2);
    border-radius: 50%;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

/* Notifications */
.notifications-dropdown {
    position: relative;
}

.notifications-btn {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    padding: var(--spacing-2);
    border-radius: 50%;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.notifications-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.notifications-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--error-color);
    color: var(--white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

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

.user-btn {
    background: none;
    border: none;
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.user-btn:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.user-info {
    text-align: left;
    min-width: 0;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Content area */
.content-area {
    padding: var(--spacing-6);
    flex: 1;
    min-width: 0;
    overflow-x: hidden;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* Formulários */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.form-control {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background-color: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-control.is-invalid {
    border-color: var(--error-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-base);
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    gap: var(--spacing-2);
    white-space: nowrap;
}

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

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

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

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

.btn-secondary {
    background-color: var(--gray-500);
    color: var(--white);
    border-color: var(--gray-500);
}

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

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

.btn-success:hover {
    background-color: #059669;
    border-color: #059669;
    color: var(--white);
}

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

.btn-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    color: var(--white);
}

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

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

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

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

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

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

.btn-outline-secondary {
    background-color: transparent;
    color: var(--gray-500);
    border-color: var(--gray-500);
}

.btn-outline-secondary:hover {
    background-color: var(--gray-500);
    color: var(--white);
}

.btn-outline-info {
    background-color: transparent;
    color: var(--info-color);
    border-color: var(--info-color);
}

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

.btn-outline-danger {
    background-color: transparent;
    color: var(--error-color);
    border-color: var(--error-color);
}

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

.btn-outline-warning {
    background-color: transparent;
    color: var(--warning-color);
    border-color: var(--warning-color);
}

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

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-lg);
}

/* Tabelas responsivas */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    -webkit-overflow-scrolling: touch; /* Smooth scrolling em iOS */
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    min-width: 600px; /* Largura mínima para manter estrutura */
}

.table th,
.table td {
    padding: var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap; /* Evitar quebra de linha */
}

.table th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.badge-primary, .bg-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

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

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

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

.badge-secondary, .bg-secondary {
    background-color: var(--gray-500);
    color: var(--white);
}

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

/* Alertas */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    margin-bottom: var(--spacing-4);
}

.alert-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: #fed7aa;
    color: #92400e;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-info {
    background-color: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    max-height: 400px;
    overflow-y: auto;
}

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

.dropdown-item {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
    text-decoration: none;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: var(--spacing-2) 0;
}

.dropdown-header {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dropdown-footer {
    background-color: var(--gray-50);
    padding: var(--spacing-2) 0;
    border-top: 1px solid var(--gray-200);
}

/* Notification items */
.notification-item {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-100);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    display: block;
}

.notification-item:hover {
    background-color: var(--gray-50);
    text-decoration: none;
    color: inherit;
}

.notification-item.unread {
    background-color: #f8f9fc;
    border-left: 3px solid var(--primary-color);
}

.notification-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-1);
}

.notification-message {
    font-size: var(--font-size-xs);
    line-height: 1.3;
    margin-bottom: var(--spacing-1);
    color: var(--gray-600);
}

.notification-time {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--error-color); }
.text-muted { color: var(--gray-500); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }

.me-1 { margin-right: var(--spacing-1); }
.me-2 { margin-right: var(--spacing-2); }
.me-3 { margin-right: var(--spacing-3); }
.ms-1 { margin-left: var(--spacing-1); }
.ms-2 { margin-left: var(--spacing-2); }
.ms-auto { margin-left: auto; }

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

/* Avatar helper */
.avatar-sm {
    width: 40px;
    height: 40px;
    font-size: 16px;
    font-weight: 600;
}

/* Button groups */
.btn-group {
    display: inline-flex;
    vertical-align: middle;
}

.btn-group .btn {
    position: relative;
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.btn-group .btn:not(:first-child) {
    margin-left: -1px;
}

.btn-group .btn:hover {
    z-index: 1;
}

/* Pagination */
.pagination {
    display: flex;
    list-style: none;
    border-radius: var(--border-radius);
    margin: 0;
    padding: 0;
}

.page-item {
    margin: 0;
}

.page-link {
    position: relative;
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    margin-left: -1px;
    line-height: 1.25;
    color: var(--primary-color);
    text-decoration: none;
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.page-link:hover {
    z-index: 2;
    color: var(--primary-dark);
    text-decoration: none;
    background-color: var(--gray-100);
    border-color: var(--gray-300);
}

.page-item:first-child .page-link {
    margin-left: 0;
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.page-item:last-child .page-link {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.page-item.active .page-link {
    z-index: 3;
    color: var(--white);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* RESPONSIVIDADE - MOBILE FIRST */

/* Tablets médios (769px a 1024px) - Sidebar colapsado automaticamente */
@media (min-width: 769px) and (max-width: 1024px) {
    /* Sidebar colapsado em tablets */
    .sidebar {
        width: 70px;
    }

    /* Esconder logo e header do sidebar */
    .sidebar .sidebar-header {
        display: none;
    }

    /* Esconder texto dos links - mostrar apenas ícones */
    .sidebar .nav-text {
        display: none;
    }

    /* Esconder badges no menu */
    .sidebar .nav-link .badge {
        display: none;
    }

    /* Centralizar ícones */
    .sidebar .nav-link {
        justify-content: center;
        padding: var(--spacing-3) var(--spacing-2);
    }

    .sidebar .nav-link i {
        margin-right: 0;
        font-size: 1.2rem;
    }

    /* Esconder submenus em tablets */
    .sidebar #manutencoesMenu {
        display: none !important;
    }

    /* Ajustar main-content */
    .main-content {
        margin-left: 70px;
    }

    /* Quando expandido manualmente em tablet */
    .sidebar.expanded {
        width: 280px;
    }

    .sidebar.expanded .sidebar-header {
        display: block;
    }

    .sidebar.expanded .nav-text {
        display: inline;
    }

    .sidebar.expanded .nav-link {
        justify-content: flex-start;
        padding: var(--spacing-3) var(--spacing-6);
    }

    .sidebar.expanded .nav-link i {
        margin-right: var(--spacing-3);
        font-size: 1rem;
    }

    .sidebar.expanded #manutencoesMenu {
        display: block !important;
    }

    .sidebar.expanded + .main-content {
        margin-left: 280px;
    }

    /* Topbar em tablets */
    .topbar-left h4 {
        font-size: var(--font-size-base);
    }

    /* Content area */
    .content-area {
        padding: var(--spacing-4);
    }
}

/* Smartphones (768px e abaixo) */
@media (max-width: 768px) {
    /* Sidebar móvel - compatível com iOS PWA standalone */
    .sidebar {
        -webkit-transform: translateX(-100%);
        transform: translateX(-100%);
        width: 85vw; /* Não usar 100vw no iOS - deixa parte visível para fechar */
        max-width: 320px;
        height: 100%;
        height: -webkit-fill-available; /* Fix iOS 100vh bug */
        position: fixed;
        top: 0;
        left: 0;
        z-index: var(--z-sidebar);
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        will-change: transform;
    }

    .sidebar.show {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: 85vw;
        max-width: 320px;
        -webkit-transform: translateX(-100%);
        transform: translateX(-100%);
    }

    .sidebar.collapsed.show {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
    
    /* Main content sem margem em mobile */
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .sidebar.collapsed + .main-content {
        margin-left: 0;
    }
    
    /* Topbar responsivo */
    .topbar {
        padding: 0 var(--spacing-4);
    }
    
    .topbar-left h4 {
        font-size: var(--font-size-base);
    }
    
    /* Esconder informações do usuário em mobile */
    .user-info {
        display: none !important;
    }
    
    /* Content area menor padding */
    .content-area {
        padding: var(--spacing-4);
    }
    
    /* Cards responsivos */
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-4);
    }
    
    /* Formulários responsivos */
    .form-control {
        font-size: 16px; /* Evita zoom em iOS */
    }
    
    /* Botões menores em mobile */
    .btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
    
    .btn-sm {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: var(--font-size-xs);
    }
    
    /* Tabelas responsivas */
    .table-responsive {
        font-size: var(--font-size-sm);
        border-radius: var(--border-radius);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    /* Button groups empilhados em mobile */
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        border-radius: var(--border-radius) !important;
        margin: var(--spacing-1) 0;
        margin-left: 0 !important;
    }
    
    /* Dropdown responsivo */
    .dropdown-menu {
        position: fixed !important;
        top: auto !important;
        right: var(--spacing-4) !important;
        left: var(--spacing-4) !important;
        width: auto !important;
        margin-top: var(--spacing-2);
        max-height: 50vh;
    }
    
    /* Notifications dropdown */
    .notifications-dropdown .dropdown-menu {
        width: calc(100vw - 2rem) !important;
        right: var(--spacing-4) !important;
        left: var(--spacing-4) !important;
    }
    
    /* Pagination responsiva */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-item {
        margin: 2px;
    }
    
    .page-link {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: var(--font-size-sm);
    }
    
    /* Esconder elementos desnecessários em mobile */
    .d-md-block {
        display: none !important;
    }
    
    /* Ajustar grid system */
    .row {
        margin: 0;
    }
    
    .col-md-4,
    .col-md-3,
    .col-md-5 {
        width: 100%;
        padding: 0;
        margin-bottom: var(--spacing-3);
    }
    
    /* Flexbox helpers para mobile */
    .d-flex.justify-content-between {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .d-flex.justify-content-between.mobile-row {
        flex-direction: row;
    }
}

/* Mobile pequeno (480px e abaixo) */
@media (max-width: 480px) {
    .content-area {
        padding: var(--spacing-3);
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-3);
    }
    
    .topbar {
        padding: 0 var(--spacing-3);
        height: 60px;
    }
    
    .topbar-left h4 {
        font-size: var(--font-size-sm);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-1) var(--spacing-2);
    }
    
    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.slide-in-up {
    animation: slideInUp 0.3s ease-in-out;
}

.slide-in-left {
    animation: slideInLeft 0.3s ease-in-out;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.toast {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-2);
    min-width: 300px;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-error {
    border-left: 4px solid var(--error-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

/* Airport search container */
.airport-search-container {
    position: relative;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.airport-card {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
    cursor: pointer;
    transition: var(--transition);
}

.airport-card:hover {
    background-color: var(--gray-50);
    border-left: 3px solid var(--primary-color);
}

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

.airport-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.airport-codes {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
}

.airport-name {
    font-size: 13px;
    color: var(--gray-700);
    font-weight: 500;
}

.airport-location {
    font-size: 12px;
    color: var(--gray-500);
}

.no-results {
    padding: 16px;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
    font-style: italic;
}

#geolocation-status {
    margin-bottom: 15px;
    display: none;
}

#geolocation-status .alert {
    margin-bottom: 0;
    padding: 8px 12px;
    font-size: 14px;
}

/* Melhorias visuais para os inputs */
.airport-search-container input[type="text"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'%3e%3c/path%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 16px;
    padding-right: 2.5rem;
}

/* Responsividade para airport search em mobile */
@media (max-width: 768px) {
    .search-results {
        max-height: 200px;
    }
    
    .airport-card {
        padding: 10px 12px;
    }
    
    .airport-codes {
        font-size: 13px;
    }
    
    .airport-name {
        font-size: 12px;
    }
    
    .airport-location {
        font-size: 11px;
    }
}