/* Estilos gerais */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

/* Cabeçalho */
.main-header, .admin-header {
    background-color: #1a3c6e;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo h2 {
    margin: 0;
    font-size: 1.5rem;
}

.main-nav ul, .admin-nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.main-nav li, .admin-nav li {
    margin: 0 10px;
    position: relative;
}

.main-nav a, .admin-nav a {
    color: white;
    text-decoration: none;
    padding: 10px;
    display: block;
    transition: all 0.3s ease;
}

.main-nav a:hover, .admin-nav a:hover {
    background-color: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background-color: #1a3c6e;
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 4px;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    padding: 12px 16px;
}

.user-info {
    display: flex;
    align-items: center;
    color: white;
}

.user-info span {
    margin-right: 15px;
}

/* Rodapé */
.main-footer {
    background-color: #1a3c6e;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

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

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group input[type="file"] {
    padding: 10px 0;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
}

.form-group.checkbox input {
    margin-right: 10px;
}

.form-group.checkbox label {
    margin-bottom: 0;
}

.form-buttons {
    display: flex;
    gap: 10px;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #1a3c6e;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0f2952;
}

.btn-primary {
    background-color: #1a3c6e;
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-success {
    background-color: #28a745;
}

.btn-danger {
    background-color: #dc3545;
}

.btn-warning {
    background-color: #ffc107;
    color: #212529;
}

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

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

.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;
}

/* Login e Setup */
.login-box, .setup-box {
    max-width: 500px;
    margin: 50px auto;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.login-box h1, .setup-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #1a3c6e;
}

.setup-link {
    margin-top: 20px;
    text-align: center;
}

.setup-link a {
    color: #1a3c6e;
    text-decoration: none;
}

.setup-link a:hover {
    text-decoration: underline;
}

.setup-success {
    text-align: center;
}

/* Dashboard */
.dashboard {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

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

.stat-box {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 0 5px rgba(0,0,0,0.05);
}

.stat-box h3 {
    margin-top: 0;
    color: #6c757d;
    font-size: 1rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #1a3c6e;
    margin: 10px 0;
}

.stat-box.alert {
    background-color: #fff3cd;
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.recent-activity {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.activity-list {
    margin-top: 15px;
}

.activity-item {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.activity-user {
    font-weight: bold;
    margin-right: 10px;
}

.activity-action {
    color: #6c757d;
    margin-right: 10px;
}

.activity-time {
    color: #6c757d;
    font-size: 0.9rem;
    margin-left: auto;
}

/* Pesquisa */
.search-container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.search-form {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.search-results {
    margin-top: 30px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.result-item {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

.result-image {
    height: 200px;
    overflow: hidden;
}

.result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-info {
    padding: 15px;
}

.similarity {
    font-weight: bold;
    color: #1a3c6e;
    margin: 0;
}

.filename {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 5px 0 0 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-note {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-top: 30px;
    font-size: 0.9rem;
}

/* Upload */
.upload-container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.stats-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.upload-form {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.upload-note {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 0.9rem;
}

/* Admin */
.admin-container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.admin-actions {
    margin-bottom: 20px;
}

.admin-form {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.admin-section {
    margin-bottom: 40px;
}

.admin-table {
    width: 100%;
    overflow-x: auto;
}

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

.admin-table th, .admin-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.admin-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: #f8f9fa;
}

.inline-form {
    display: inline;
}

.editable {
    cursor: pointer;
    padding: 2px 5px;
    border-radius: 3px;
}

.editable:hover {
    background-color: #f0f0f0;
}

/* Responsividade */
@media (max-width: 768px) {
    .main-header, .admin-header {
        flex-direction: column;
        padding: 10px;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    .main-nav ul, .admin-nav ul {
        flex-direction: column;
        width: 100%;
    }
    
    .main-nav li, .admin-nav li {
        margin: 5px 0;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        background-color: rgba(255,255,255,0.1);
    }
    
    .user-info {
        margin-top: 10px;
        flex-direction: column;
    }
    
    .user-info span {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-table {
        overflow-x: scroll;
    }
}