/* LICITA.IA - Estilos Principais */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 2rem;
    font-weight: bold;
}

.logo .version {
    font-size: 0.8rem;
    opacity: 0.8;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255,255,255,0.2);
}

/* Main */
.main {
    min-height: calc(100vh - 120px);
    padding: 2rem 0;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.hero p {
    font-size: 1.2rem;
    color: #718096;
    max-width: 800px;
    margin: 0 auto;
}

/* Cards */
.regime-selector {
    margin-bottom: 3rem;
}

.regime-selector h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2d3748;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card.selected {
    border-color: #667eea;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h4 {
    color: #2d3748;
    font-size: 1.3rem;
}

.badge {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.card-content p {
    color: #718096;
    margin-bottom: 1rem;
}

.card-content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.card-content li {
    color: #4a5568;
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1rem;
}

.card-content li:before {
    content: "✓";
    color: #48bb78;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.4);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

/* Forms */
.form-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.form-section h3 {
    margin-bottom: 1.5rem;
    color: #2d3748;
}

.form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #4a5568;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Análise IA */
.analise-section {
    background: #f7fafc;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
    border-left: 4px solid #667eea;
}

.analise-section h4 {
    color: #2d3748;
    margin-bottom: 1rem;
}

.analise-content {
    color: #4a5568;
}

.analise-item {
    background: white;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border-left: 3px solid #48bb78;
}

.analise-item h5 {
    color: #2d3748;
    margin-bottom: 0.5rem;
}

/* About & Compliance */
.about-content,
.compliance-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.about-content h3,
.compliance-content h3 {
    color: #2d3748;
    margin: 2rem 0 1rem 0;
}

.about-content ul,
.compliance-content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.about-content li,
.compliance-content li {
    margin-bottom: 0.5rem;
    color: #4a5568;
}

.regimes-info {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.regime-info {
    background: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.regime-info h4 {
    color: #2d3748;
    margin-bottom: 0.5rem;
}

/* Admin */
.admin-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: 3rem;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* Utilities */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }