/* Variáveis CSS para temas */
:root {
    /* Tema Claro */
    --light-bg: #f5f7f9;
    --light-sidebar: #ffffff;
    --light-header: #ffffff;
    --light-card: #ffffff;
    --light-text: #333333;
    --light-border: #e1e4e8;
    --light-hover: #f1f2f4;
    --light-link: #0366d6;
    --light-primary: #2c974b;
    --light-secondary: #6c757d;
    --light-success: #28a745;
    --light-danger: #dc3545;
    --light-warning: #ffc107;
    --light-info: #17a2b8;
    
    /* Tema Escuro */
    --dark-bg: #0d1117;
    --dark-sidebar: #161b22;
    --dark-header: #161b22;
    --dark-card: #21262d;
    --dark-text: #c9d1d9;
    --dark-border: #30363d;
    --dark-hover: #2b3139;
    --dark-link: #58a6ff;
    --dark-primary: #238636;
    --dark-secondary: #8b949e;
    --dark-success: #3fb950;
    --dark-danger: #f85149;
    --dark-warning: #d29922;
    --dark-info: #58a6ff;
}

/* Estilos Globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    font-size: 16px;
    transition: background-color 0.3s, color 0.3s;
}

body.light {
    background-color: var(--light-bg);
    color: var(--light-text);
}

body.dark {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

a {
    text-decoration: none;
    transition: color 0.3s;
}

body.light a {
    color: var(--light-link);
}

body.dark a {
    color: var(--dark-link);
}

ul {
    list-style: none;
}

/* Layout */
.main-container {
    display: flex;
    min-height: calc(100vh - 60px);
}

.content {
    flex: 1;
    padding: 20px;
    margin-left: 250px; /* Largura da sidebar */
}

/* Header */
.main-header {
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.light .main-header {
    background-color: var(--light-header);
    border-bottom: 1px solid var(--light-border);
}

body.dark .main-header {
    background-color: var(--dark-header);
    border-bottom: 1px solid var(--dark-border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo a {
    display: flex;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 600;
}

.logo i {
    margin-right: 8px;
    font-size: 1.4rem;
}

.user-menu {
    display: flex;
    align-items: center;
}

.theme-toggle {
    margin-right: 20px;
}

.theme-toggle button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: inherit;
}

.user-info {
    position: relative;
    cursor: pointer;
}

.user-info span {
    margin-right: 5px;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background-color: var(--light-card);
    border: 1px solid var(--light-border);
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1000;
}

body.dark .user-dropdown {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

.user-info:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: 10px 15px;
    transition: background-color 0.3s;
}

body.light .user-dropdown a:hover {
    background-color: var(--light-hover);
}

body.dark .user-dropdown a:hover {
    background-color: var(--dark-hover);
}

/* Sidebar */
.sidebar {
    width: 250px;
    height: calc(100vh - 60px);
    position: fixed;
    left: 0;
    top: 60px;
    overflow-y: auto;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

body.light .sidebar {
    background-color: var(--light-sidebar);
    border-right: 1px solid var(--light-border);
}

body.dark .sidebar {
    background-color: var(--dark-sidebar);
    border-right: 1px solid var(--dark-border);
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-item a {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: inherit;
    border-radius: 4px;
    margin: 0 10px;
    transition: background-color 0.3s;
}

.nav-item a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

body.light .nav-item a:hover,
body.light .nav-item a.active {
    background-color: var(--light-hover);
}

body.dark .nav-item a:hover,
body.dark .nav-item a.active {
    background-color: var(--dark-hover);
}

.sub-menu {
    margin-left: 30px;
    margin-top: 5px;
    display: none;
}

.nav-item:hover .sub-menu,
.nav-item a.active + .sub-menu {
    display: block;
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid;
}

body.light .sidebar-footer {
    border-color: var(--light-border);
}

body.dark .sidebar-footer {
    border-color: var(--dark-border);
}

.theme-toggle-sidebar {
    margin-bottom: 15px;
}

.theme-toggle-sidebar button {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    width: 100%;
    color: inherit;
    text-align: left;
    padding: 8px;
    border-radius: 4px;
}

.theme-toggle-sidebar button i {
    margin-right: 10px;
}

.sidebar-footer .logout-btn {
    display: flex;
    align-items: center;
    color: inherit;
    padding: 8px;
    border-radius: 4px;
}

.sidebar-footer .logout-btn i {
    margin-right: 10px;
}

/* Cards */
.card {
    background-color: var(--light-card);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

body.dark .card {
    background-color: var(--dark-card);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.light .stat-card {
    background-color: var(--light-card);
}

body.dark .stat-card {
    background-color: var(--dark-card);
}

.stat-card i {
    font-size: 2rem;
    margin-right: 15px;
    color: var(--light-primary);
}

body.dark .stat-card i {
    color: var(--dark-primary);
}

.stat-info h3 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.stat-info p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Tabelas */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

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

body.light table {
    color: var(--light-text);
    border: 1px solid var(--light-border);
}

body.dark table {
    color: var(--dark-text);
    border: 1px solid var(--dark-border);
}

th, td {
    padding: 12px 15px;
    text-align: left;
}

body.light th {
    background-color: #f1f3f5;
    border-bottom: 1px solid var(--light-border);
}

body.dark th {
    background-color: var(--dark-hover);
    border-bottom: 1px solid var(--dark-border);
}

body.light tr {
    border-bottom: 1px solid var(--light-border);
}

body.dark tr {
    border-bottom: 1px solid var(--dark-border);
}

body.light tr:hover {
    background-color: var(--light-hover);
}

body.dark tr:hover {
    background-color: var(--dark-hover);
}

/* Formulários */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid;
    font-size: 16px;
    background: transparent;
}

body.light .form-control {
    border-color: var(--light-border);
    color: var(--light-text);
}

body.dark .form-control {
    border-color: var(--dark-border);
    color: var(--dark-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--light-primary);
}

body.dark .form-control:focus {
    border-color: var(--dark-primary);
}

/* Botões */
.btn {
    display: inline-block;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    opacity: 0.9;
}

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

.btn-secondary:hover {
    opacity: 0.9;
}

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

.btn-danger:hover {
    opacity: 0.9;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 14px;
}

/* Alertas */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        width: 0;
        overflow: hidden;
    }
    
    .content {
        margin-left: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
}

/* Login page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: var(--light-bg);
}

body.dark .login-container {
    background-color: var(--dark-bg);
}

.login-card {
    width: 400px;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

body.light .login-card {
    background-color: var(--light-card);
}

body.dark .login-card {
    background-color: var(--dark-card);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}