/* ============================================
   SECTIONS - Option A: Profesional Limpio
   ============================================ */

.data-section {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
    border: 1px solid var(--gray-200);
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--gray-500);
    font-size: 12px;
}

.form-group input,
.form-group select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.15s;
    background: white;
    font-family: inherit;
    color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.data-section h2 {
    color: var(--gray-900);
    font-size: 16px;
    font-weight: 600;
}

.results-section {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    display: none;
}

.results-section.active {
    display: block;
}

.content {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.results-section h2 {
    color: var(--gray-900);
    font-size: 16px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .input-grid {
        grid-template-columns: 1fr;
    }

    .content {
        padding: 16px;
    }
}

/* Method card */
.method-card {
    background: var(--gray-50);
    border-radius: 10px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    border-left: 3px solid var(--primary);
}

.method-card.warning {
    border-left-color: var(--warning);
}

.method-card.info {
    border-left-color: var(--info);
}

.method-card.success {
    border-left-color: var(--success);
}

/* Measurement items */
.measurements-list {
    max-height: 300px;
    overflow-y: auto;
    background: white;
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--gray-200);
}

.measurement-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius);
    border-left: 3px solid var(--primary);
}

.measurement-item.portante {
    border-left-color: var(--danger);
}

.measurement-item.no-portante {
    border-left-color: var(--warning);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 9998;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: var(--spacing-2xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Panel sections - floor panels readonly/editable */
.panel-section {
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.panel-section.editable {
    background: white;
    border-left: 3px solid var(--primary);
}

.panel-section-title {
    margin: 0 0 var(--spacing-lg) 0;
    color: var(--gray-500);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.panel-section.editable .panel-section-title {
    color: var(--primary);
}

.panel-section-hint {
    color: var(--gray-500);
    font-size: 13px;
    display: block;
    margin-top: 10px;
}

.panel-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.panel-actions-right {
    text-align: right;
    margin-top: 10px;
}

/* Status bar below canvas */
.status-bar {
    background: var(--gray-50);
    padding: 10px;
    margin-top: 10px;
    border-radius: var(--radius);
    text-align: center;
}

.status-bar-text {
    font-weight: 600;
    color: var(--primary);
    font-size: 13px;
}

/* Info banner */
.info-banner {
    background: var(--primary-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid rgba(37, 99, 235, 0.15);
    margin-bottom: var(--spacing-xl);
}

.info-banner p {
    margin: 0;
}

/* Method selector */
.method-selector {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-xl);
}

.method-selector strong {
    display: block;
    margin-bottom: 10px;
}

.method-selector-options {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.method-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 14px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: border-color 0.15s;
}

.method-option.active {
    border-color: var(--primary);
    border-width: 2px;
}

.method-option input[type="radio"] {
    margin-right: 10px;
    cursor: pointer;
}

/* Method cards grid */
.method-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.method-card {
    position: relative;
}

.method-card.active {
    border-left-width: 3px;
    border-left-color: var(--primary);
}

.method-card h4 {
    margin-top: 0;
    color: var(--gray-800);
    padding-right: 80px;
}

.method-card .badge {
    position: absolute;
    top: 10px;
    right: 10px;
}

.method-card .badge + .badge {
    top: 34px;
}

.method-card ul {
    margin: 10px 0;
    padding-left: 20px;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.badge-muted {
    background: var(--gray-200);
    color: var(--gray-600);
}

.badge-active {
    background: var(--primary);
    color: white;
}

@media (max-width: 768px) {
    .method-cards-grid {
        grid-template-columns: 1fr;
    }

    .method-selector-options {
        flex-direction: column;
    }
}

/* ============================================
   BIBLIOTECA LOGIN GATE
   ============================================ */
.biblioteca-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    padding: 40px 20px;
}

.biblioteca-login-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow);
}

.biblioteca-login-icon {
    color: var(--gray-400);
    margin-bottom: 20px;
}

.biblioteca-login-card h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.biblioteca-login-card > p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 24px;
    line-height: 1.5;
}

.login-field {
    text-align: left;
    margin-bottom: 14px;
}

.login-field label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-500);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.login-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--gray-800);
    transition: border-color 0.15s;
    background: white;
}

.login-field input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.login-error {
    background: var(--danger-light);
    color: var(--danger);
    font-size: 13px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
}

.login-submit {
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 6px;
}