:root {
    --color1: #0c0636;
    --color2: #095169;
    --color3: #059b9a;
    --color4: #53ba83;
    --color5: #9fd86b;
    --light-bg: #f8f9fa;
    --dark-text: #333;
    --light-text: #fff;
    --border-color: #dee2e6;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

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

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, var(--color1) 0%, var(--color2) 100%);
    color: var(--light-text);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.logo {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color5);
}

.logo span {
    font-size: 0.9rem;
    opacity: 0.8;
    display: block;
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin: 5px 0;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: rgba(255,255,255,0.1);
    color: var(--color5);
    border-left: 4px solid var(--color5);
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 20px;
}

/* Header */
.main-header {
    background: white;
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--color3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

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

.stat-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card.green {
    border-top: 4px solid var(--color4);
}

.stat-card.blue {
    border-top: 4px solid var(--color3);
}

.stat-card.purple {
    border-top: 4px solid var(--color1);
}

.stat-card.orange {
    border-top: 4px solid var(--color5);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 10px 0;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tabelas */
.table-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 30px;
    overflow-x: auto;
}

.table-title {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    color: var(--color2);
}

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

.data-table th {
    background-color: var(--color1);
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:hover {
    background-color: rgba(9, 81, 105, 0.05);
}

/* Botões */
.btn {
    padding: 8px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--color3);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color2);
}

.btn-success {
    background-color: var(--color4);
    color: white;
}

.btn-success:hover {
    background-color: #45a049;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.875rem;
}

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

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--color2);
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color3);
    box-shadow: 0 0 0 3px rgba(5, 155, 154, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color1) 0%, var(--color3) 100%);
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
    padding: 40px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo h1 {
    color: var(--color2);
    margin-bottom: 5px;
}

.login-logo span {
    color: #666;
    font-size: 0.9rem;
}

/* Alertas */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success-color);
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--danger-color);
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--info-color);
    color: #0c5460;
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar .logo h1,
    .sidebar .logo span,
    .nav-menu span {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
}

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}