/**
 * Tema Dashboard Moderno - Versão Clara
 * Sistema de Escola - Teste de Programação
 */

:root {
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #8b9ef7;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Sidebar */
.dashboard-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-md);
}

.dashboard-sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.dashboard-sidebar-header h1 {
    font-size: 1.5em;
    font-weight: 700;
    margin: 0;
    color: white;
}

.dashboard-sidebar-nav {
    padding: 20px 0;
}

.dashboard-sidebar-nav ul {
    list-style: none;
}

.dashboard-sidebar-nav li {
    margin-bottom: 4px;
}

.dashboard-sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 0.95em;
}

.dashboard-sidebar-nav a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding-left: 25px;
}

.dashboard-sidebar-nav a.active {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border-left: 4px solid var(--primary-dark);
}

.dashboard-sidebar-nav a i {
    width: 20px;
    text-align: center;
    font-size: 1.1em;
}

/* Conteúdo Principal */
.dashboard-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
    width: calc(100% - var(--sidebar-width));
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Header */
.dashboard-header {
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.dashboard-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.dashboard-header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.dashboard-search {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 15px;
    min-width: 300px;
    transition: all 0.3s;
}

.dashboard-search:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.dashboard-search input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 0.95em;
    color: var(--text-primary);
}

.dashboard-search input::placeholder {
    color: var(--text-muted);
}

.dashboard-search kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.75em;
    font-family: monospace;
    color: var(--text-secondary);
}

.dashboard-header-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    border: 1px solid var(--border-color);
}

.dashboard-header-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.dashboard-header-icon .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7em;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.dashboard-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.dashboard-user:hover {
    background: var(--bg-secondary);
}

.dashboard-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1em;
}

.dashboard-user-info {
    display: flex;
    flex-direction: column;
}

.dashboard-user-name {
    font-weight: 600;
    font-size: 0.95em;
    color: var(--text-primary);
}

.dashboard-user-email {
    font-size: 0.85em;
    color: var(--text-secondary);
}

/* Container de Conteúdo */
.dashboard-content {
    padding: 30px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Breadcrumbs */
.dashboard-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.dashboard-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Título da Página */
.dashboard-page-title {
    margin-bottom: 30px;
}

.dashboard-page-title h1 {
    font-size: 2em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.dashboard-page-title p {
    color: var(--text-secondary);
    font-size: 1em;
}

/* Cards de Métricas */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.dashboard-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.dashboard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.dashboard-card-title {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dashboard-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
}

.dashboard-card-icon.primary {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(102, 126, 234, 0.2) 100%);
    color: var(--primary-color);
}

.dashboard-card-icon.success {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(40, 167, 69, 0.2) 100%);
    color: var(--success-color);
}

.dashboard-card-icon.warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.2) 100%);
    color: var(--warning-color);
}

.dashboard-card-icon.info {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.1) 0%, rgba(23, 162, 184, 0.2) 100%);
    color: var(--info-color);
}

.dashboard-card-value {
    font-size: 2em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.dashboard-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85em;
}

.dashboard-card-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

.dashboard-card-trend.up {
    color: var(--success-color);
}

.dashboard-card-trend.down {
    color: var(--danger-color);
}

/* Container Principal (compatibilidade) */
.dashboard-content .container {
    max-width: 100%;
    margin: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
}

/* Header antigo (compatibilidade) */
.dashboard-content header {
    text-align: left;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.dashboard-content header h1 {
    color: var(--text-primary);
    font-size: 2em;
    margin-bottom: 0;
}

/* Botões */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

/* Tabelas */
.tabela-container {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.tabela-grid {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.tabela-grid thead {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.tabela-grid th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tabela-grid td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.tabela-grid tbody tr:hover {
    background: var(--bg-secondary);
}

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

/* Formulários */
.formulario {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.campo label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9em;
}

.campo input,
.campo select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.campo input:focus,
.campo select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Mensagens */
.mensagem {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    border-left: 4px solid;
}

.mensagem.sucesso {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border-left-color: var(--success-color);
}

.mensagem.erro {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border-left-color: var(--danger-color);
}

.mensagem.info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--info-color);
    border-left-color: var(--info-color);
}

/* Grid Container */
.grid-container {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.grid-header h2 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.5em;
    font-weight: 700;
}

/* Botão Voltar */
.btn-voltar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    margin-bottom: 0;
}

.btn-voltar:hover {
    color: var(--primary-color);
}

/* Overlay para sidebar mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sidebar-overlay.active {
    display: block;
}

/* Responsividade */
@media (max-width: 768px) {
    .dashboard-sidebar {
        transform: translateX(-100%);
    }
    
    .dashboard-sidebar.active {
        transform: translateX(0);
    }
    
    .dashboard-main {
        margin-left: 0;
    }
    
    .dashboard-header {
        padding: 0 15px;
    }
    
    .dashboard-search {
        display: none;
    }
    
    .dashboard-content {
        padding: 20px 15px;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .dashboard-page-title h1 {
        font-size: 1.5em;
    }
}

/* Toggle Sidebar Mobile */
.sidebar-toggle {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 1000;
    position: relative;
    font-size: 1.2em;
    line-height: 1;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    background: var(--primary-color);
    color: white;
}

.sidebar-toggle:active {
    transform: scale(0.95);
}

@media (min-width: 769px) {
    .sidebar-toggle {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: flex !important;
    }
}