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

:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --success: #48bb78;
    --warning: #ecc94b;
    --danger: #fc8181;
    --info: #63b3ed;
    --dark: #2d3748;
    --gray: #718096;
    --light: #f7fafc;
    --white: #ffffff;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 3px solid var(--primary);
    margin-bottom: 30px;
    background: var(--white);
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

header h1 {
    color: var(--primary);
    font-size: 24px;
}

/* Navegação */
.main-nav {
    background: var(--white);
    padding: 12px 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    overflow-x: auto;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--gray);
    padding: 8px 18px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

.main-nav ul li a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.main-nav ul li a.active {
    background: var(--primary);
    color: var(--white);
}

/* Formulários */
.form-container {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.form-container h2 {
    color: var(--dark);
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid var(--light);
    padding-bottom: 10px;
}

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

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 14px;
    background: var(--white);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

/* Botões */
.btn-primary {
    display: inline-block;
    padding: 10px 25px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

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

.btn-success:hover {
    background: #38a169;
}

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

.btn-danger:hover {
    background: #f56565;
}

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

.btn-warning:hover {
    background: #d69e2e;
}

/* Tabelas */
.table-container {
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    overflow-x: auto;
    margin-bottom: 30px;
}

.table-container h2 {
    color: var(--dark);
    margin-bottom: 15px;
    font-size: 18px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table thead {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 10px 15px;
    border-bottom: 1px solid #edf2f7;
}

.table tbody tr:hover {
    background: #f0f4ff;
}

.table tbody tr:nth-child(even) {
    background: #f8fafc;
}

.table a {
    color: var(--primary);
    text-decoration: none;
    margin: 0 5px;
    font-weight: 500;
}

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

/* Indicadores */
.indicators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.indicator-card {
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s;
    border-left: 4px solid var(--primary);
}

.indicator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.indicator-card h3 {
    color: var(--gray);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.indicator-card .number {
    font-size: 28px;
    font-weight: bold;
    color: var(--dark);
}

.indicator-card .unit {
    font-size: 14px;
    color: var(--gray);
    margin-top: 4px;
}

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

.login-box {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 400px;
    max-width: 90%;
}

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

.login-box .logo h1 {
    color: var(--primary);
    font-size: 32px;
    font-weight: 700;
}

.login-box .logo p {
    color: var(--gray);
    font-size: 14px;
}

/* Resultados */
.result-area {
    background: #f0f4ff;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.result-area h3 {
    color: var(--dark);
    margin-bottom: 15px;
}

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

.result-item {
    background: var(--white);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.result-item .label {
    display: block;
    font-size: 12px;
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.result-item .value {
    font-size: 20px;
    font-weight: bold;
    color: var(--dark);
}

/* Alertas */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-danger {
    background: #fed7d7;
    color: #9b2c2c;
    border: 1px solid #feb2b2;
}

.alert-warning {
    background: #fefcbf;
    color: #744210;
    border: 1px solid #f6e05e;
}

.alert-info {
    background: #bee3f8;
    color: #2a4365;
    border: 1px solid #90cdf4;
}

/* Ações do relatório */
.report-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.report-section {
    margin: 20px 0;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.report-section h3 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light);
}

.croqui-container {
    background: var(--white);
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
}

/* Responsivo */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-nav ul li a {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .indicators {
        grid-template-columns: 1fr 1fr;
    }
    
    .area-results {
        grid-template-columns: 1fr;
    }
    
    .report-actions {
        flex-direction: column;
    }
    
    .login-box {
        padding: 30px 20px;
    }
}

@media print {
    .main-nav,
    .report-actions,
    .btn-primary {
        display: none !important;
    }
    
    .container {
        padding: 0;
    }
    
    .table-container {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}