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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Header - similar ao site original */
header {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

header h2 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
    color: #bdc3c7;
}

header h3 {
    font-size: 1rem;
    color: #95a5a6;
    margin-bottom: 1.5rem;
}

/* Navegação */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    background: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: 25px;
    margin: 0 2rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.7rem 1.5rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
}

nav ul li a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* Container principal */
main {
    margin: 2rem 0;
}

/* Seções de largura total */
.full-width-section {
    background: white;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
}

.full-width-section h2 {
    background: linear-gradient(135deg, #8e44ad, #9b59b6);
    color: white;
    padding: 1.5rem 2rem;
    margin: 0;
    font-size: 1.8rem;
}

.full-width-section > *:not(h2) {
    padding: 0 2rem;
}

/* Painel Teórico */
.theory-content {
    padding: 2rem;
}

.theory-section {
    margin-bottom: 2rem;
}

.theory-section h3 {
    color: #8e44ad;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.concept-box {
    background: #f8f9fa;
    border-left: 4px solid #27ae60;
    padding: 1.5rem;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.concept-box h4 {
    color: #27ae60;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.tip-box {
    background: linear-gradient(135deg, #ebf3fd, #d6eaf8);
    border-left: 4px solid #3498db;
    padding: 1.5rem;
    border-radius: 0 8px 8px 0;
    margin: 1rem 0;
}

/* Designer de Registro */
.designer-content {
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.designer-form h3 {
    color: #8e44ad;
    margin: 1.5rem 0 1rem 0;
    font-size: 1.2rem;
}

.crud-container {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid #dee2e6;
}

.crud-container h3 {
    color: #495057;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #8e44ad;
}

/* Formulários */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #8e44ad;
    box-shadow: 0 0 0 2px rgba(142, 68, 173, 0.2);
}

/* Tabelas */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: white;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

table th:hover {
    background: #e9ecef;
}

table tr:hover {
    background: #f8f9fa;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin: 0.25rem;
}

.btn-primary {
    background: #8e44ad;
    color: white;
}

.btn-primary:hover {
    background: #7d3c98;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: #5a6268;
}

.btn-warning {
    background: #f39c12;
    color: white;
}

.btn-warning:hover {
    background: #e67e22;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.button-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

/* Containers específicos */
.attributes-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

.search-container,
.list-container,
.memory-container {
    margin: 1.5rem 0;
    padding: 1rem;
    background: white;
    border-radius: 4px;
    border: 1px solid #dee2e6;
}

.search-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-controls select,
.search-controls input {
    flex: 1;
    min-width: 150px;
}

.list-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.list-controls input {
    flex: 1;
    min-width: 200px;
}

.table-container {
    max-height: 400px;
    overflow: auto;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

/* Seções de conteúdo */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 2rem;
    align-items: start;
}

.content-text h3 {
    color: #8e44ad;
    margin: 1.5rem 0 1rem 0;
    font-size: 1.3rem;
}

/* Caixas de destaque */
.highlight-box {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.highlight-box h4 {
    color: #856404;
    margin-bottom: 1rem;
}

/* Aplicações */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.application-item {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    border-left: 4px solid #8e44ad;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.application-item h4 {
    color: #8e44ad;
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

/* Abas de código */
.code-examples {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid #dee2e6;
}

.code-examples h4 {
    color: #495057;
    margin-bottom: 1rem;
}

.code-tabs {
    margin-top: 1rem;
}

.tab-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #dee2e6;
    background: white;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.tab-btn.active {
    background: #8e44ad;
    color: white;
    border-color: #8e44ad;
}

.tab-btn:hover:not(.active) {
    background: #f8f9fa;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.code-block {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1.5rem;
    border-radius: 0 0 4px 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
    overflow-x: auto;
    white-space: pre;
}

/* Bibliografia */
.bibliography-content {
    padding: 2rem;
}

.bibliography-content ul {
    list-style: none;
    padding: 0;
}

.bibliography-content li {
    background: #f8f9fa;
    margin: 0.5rem 0;
    padding: 1rem;
    border-left: 4px solid #8e44ad;
    border-radius: 0 4px 4px 0;
}

/* Toast para mensagens */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #27ae60;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast.error {
    background: #e74c3c;
}

.toast.warning {
    background: #f39c12;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* Responsividade */
@media (max-width: 1200px) {
    .designer-content,
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .concepts-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .full-width-section {
        margin: 1rem;
        border-radius: 8px;
    }
    
    .theory-content,
    .designer-content,
    .content-grid {
        padding: 1rem;
    }
    
    .concepts-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .search-controls,
    .list-controls {
        flex-direction: column;
    }
    
    .search-controls input,
    .search-controls select,
    .list-controls input {
        min-width: auto;
        width: 100%;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .tab-btn {
        border-radius: 4px;
        margin-bottom: 0.25rem;
    }
}

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

.full-width-section {
    animation: fadeIn 0.5s ease;
}

/* Estilos para campos dinâmicos */
.dynamic-field {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.dynamic-field input,
.dynamic-field select {
    flex: 1;
    min-width: 120px;
}

.dynamic-field .btn {
    padding: 0.5rem;
    margin: 0;
}

/* Estilos para restrições */
.restrictions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.restrictions label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    margin: 0;
}

.restrictions input[type="checkbox"] {
    width: auto;
}

.restrictions input[type="number"],
.restrictions input[type="text"] {
    width: 80px;
    padding: 0.25rem;
    font-size: 0.8rem;
}

/* Estilos para memória simulada */
#memoryDisplay {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
    max-height: 300px;
    overflow: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Indicadores de ordenação */
.sort-asc::after {
    content: " ↑";
    color: #8e44ad;
}

.sort-desc::after {
    content: " ↓";
    color: #8e44ad;
}

/* Estilos para validação */
.invalid {
    border-color: #e74c3c !important;
    box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.2) !important;
}

.valid {
    border-color: #27ae60 !important;
    box-shadow: 0 0 0 2px rgba(39, 174, 96, 0.2) !important;
}