/* Estilos específicos para el módulo de Bases de Datos */

:root {
    --db-primary: #3498db;
    --db-secondary: #2ecc71;
    --db-accent: #9b59b6;
    --db-warning: #f39c12;
    --db-danger: #e74c3c;
    --db-success: #27ae60;
    --db-dark: #2c3e50;
    --db-light: #ecf0f1;
}

/* Introducción */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border-top: 4px solid var(--db-primary);
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--db-primary);
    margin-bottom: 1rem;
}

/* Arquitectura */
.architecture-layers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
}

.layer {
    padding: 1.5rem;
    border-radius: 10px;
    width: 80%;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.layer.application { border-left: 4px solid var(--db-primary); }
.layer.driver { border-left: 4px solid var(--db-secondary); }
.layer.database { border-left: 4px solid var(--db-accent); }

.layer-arrow {
    font-size: 1.5rem;
    color: var(--db-primary);
}

.drivers-grid {
    margin-top: 3rem;
}

.driver-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.driver-card {
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.driver-logo {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: bold;
    color: white;
    margin-bottom: 0.5rem;
}

.driver-logo.mysql { background: #00758f; }
.driver-logo.postgresql { background: #336791; }
.driver-logo.oracle { background: #f80000; }
.driver-logo.sqlserver { background: #003399; }

/* Conexión */
.connection-simulator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.connection-form {
    background: var(--db-light);
    padding: 2rem;
    border-radius: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--db-dark);
}

.connection-output {
    margin-top: 2rem;
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--db-primary);
}

/* CRUD Operations */
.crud-simulator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

.data-table th {
    background: var(--db-dark);
    color: white;
}

.data-table tr:hover {
    background: #f5f5f5;
}

.operation-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.op-tab {
    flex: 1;
    padding: 0.75rem;
    background: var(--db-light);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.op-tab.active {
    background: var(--db-primary);
    color: white;
}

.op-panel {
    display: none;
}

.op-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.crud-result {
    margin-top: 2rem;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--db-success);
}

/* PreparedStatement */
.injection-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.vulnerable-example {
    background: linear-gradient(135deg, #e74c3c10, #c0392b10);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--db-danger);
}

.secure-example {
    background: linear-gradient(135deg, #2ecc7110, #27ae6010);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--db-success);
}

.security-test {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
}

.test-result {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.prepared-simulator {
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.parameters-container {
    margin: 1.5rem 0;
}

.parameter-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.generated-code {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #2c3e50;
    color: white;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    overflow-x: auto;
}

/* Transacciones */
.bank-simulation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.accounts-panel {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.account-card {
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--db-primary);
}

.transaction-panel {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.option-buttons {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.mode-btn {
    flex: 1;
    padding: 1rem;
    background: var(--db-light);
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.mode-btn:hover {
    background: var(--db-primary);
    color: white;
    border-color: var(--db-primary);
}

.code-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.code-with-transaction {
    border: 2px solid var(--db-success);
    border-radius: 10px;
    overflow: hidden;
}

.code-no-transaction {
    border: 2px solid var(--db-danger);
    border-radius: 10px;
    overflow: hidden;
}

.transaction-log {
    margin-top: 2rem;
    padding: 2rem;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
}

/* Pool de Conexiones */
.pool-diagram {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.pool-container {
    border: 2px solid var(--db-primary);
    border-radius: 10px;
    padding: 2rem;
}

.connections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
    gap: 0.5rem;
    margin: 1rem 0;
}

.connection-item {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.connection-item.active {
    background: var(--db-success);
}

.connection-item.idle {
    background: var(--db-warning);
}

.pool-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #ddd;
}

.stat {
    text-align: center;
}

.requests-container {
    margin: 1rem 0;
}

.request {
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 6px;
    transition: all 0.3s;
}

.request[data-status="processing"] {
    background: var(--db-primary);
    color: white;
}

.request[data-status="completed"] {
    background: var(--db-success);
    color: white;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.config-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.config-input {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-card {
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.benefit-icon {
    font-size: 2rem;
    color: var(--db-primary);
    margin-bottom: 1rem;
}

/* Ejercicios */
.exercise-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.exercise-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.exercise-header {
    background: linear-gradient(135deg, var(--db-primary), #2980b9);
    color: white;
    padding: 1.5rem;
}

.exercise-body {
    padding: 1.5rem;
}

.exercise-body ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.exercise-body li {
    margin-bottom: 0.5rem;
}

.exercise-editor {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.editor-header {
    background: #2c3e50;
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.exercise-textarea {
    width: 100%;
    min-height: 300px;
    padding: 1.5rem;
    border: none;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    resize: vertical;
    background: #1e1e1e;
    color: #d4d4d4;
}

.exercise-output {
    padding: 1.5rem;
    background: #2c3e50;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    min-height: 150px;
    overflow-y: auto;
    white-space: pre-wrap;
}

/* Resumen */
.summary-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.learned-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.learned-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 4px solid var(--db-primary);
}

.learned-icon {
    font-size: 2rem;
    color: var(--db-primary);
    flex-shrink: 0;
}

.learned-content h5 {
    color: var(--db-dark);
    margin-bottom: 0.5rem;
}

.learned-content ul {
    margin: 0;
    padding-left: 1.5rem;
}

.learned-content li {
    margin-bottom: 0.25rem;
    color: #666;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.resource-card {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.download-section {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    width: 100%;
}

.download-btn:hover {
    background: var(--db-primary);
    color: white;
    border-color: var(--db-primary);
}

.download-btn i {
    font-size: 1.5rem;
}

.quiz-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
}

.tool-btn.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 100%;
}

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