/* Tarjetas */
.card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--ups-blue);
    border-radius: 2px;
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
}

.card-title {
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 9px 18px;
    border-radius: 3px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--action-primary);
    color: #ffffff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}
.btn-primary:hover:not(:disabled) { background-color: var(--action-primary-hover); }

.btn-secondary {
    background-color: transparent;
    color: var(--action-primary);
    border: 1px solid var(--action-primary);
    padding: 8px 16px;
}
.btn-secondary:hover:not(:disabled) {
    color: var(--action-secondary-hover);
    border-color: var(--action-secondary-hover);
    background-color: var(--action-secondary-background-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 5px 9px;
    border: 1px solid rgba(10, 77, 124, 0.28);
    border-radius: 3px;
    background-color: #edf3f8;
    color: var(--ups-blue);
    font-size: 12px;
    font-weight: 800;
}

.badge-error {
    border-color: rgba(183, 28, 28, 0.3);
    background-color: #fdf3f1;
    color: var(--error-color);
}

.badge-best {
    border-color: rgba(242, 197, 0, 0.9);
    background-color: var(--ups-yellow);
    color: var(--ups-blue);
}

.best-model-card {
    border-left-width: 6px;
    border-color: rgba(242, 197, 0, 0.95);
    box-shadow: 0 2px 10px rgba(10, 77, 124, 0.16);
}

.best-model-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.best-model-note {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
}

/* Alertas */
.alert {
    display: flex;
    padding: 15px;
    border-radius: 2px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
}

.alert-warning {
    border-color: var(--warning-color);
    color: #8a6d3b;
}

.alert-error {
    border-color: var(--error-color);
    color: var(--error-color);
    background-color: #fdf3f1;
}

.alert-info {
    border-color: var(--action-secondary);
}

.alert-icon {
    margin-right: 15px;
    font-size: 20px;
}

/* Tablas y Métricas */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
}

.metric-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 700;
}

.metric-value {
    font-weight: 700;
}

.metric-value.highlight {
    color: var(--action-primary);
}

.table-wrapper {
    overflow-x: auto;
    margin-bottom: 15px;
}

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

.summary-table {
    border: 1px solid var(--border-color);
    background-color: #ffffff;
}

.summary-table th {
    background-color: #edf3f8;
    color: var(--ups-blue);
}

.summary-table td,
.summary-table th {
    padding: 12px 14px;
}

/* Visualización de red neuronal */
.nn-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 12px;
}

.nn-card-header .card-title {
    margin-bottom: 8px;
}

.nn-visual-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    background:
        linear-gradient(rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.94)),
        repeating-linear-gradient(90deg, transparent 0, transparent 78px, rgba(10, 77, 124, 0.05) 79px),
        #ffffff;
    margin: 16px 0;
}

.nn-svg {
    display: block;
    min-width: 920px;
    width: 100%;
    height: auto;
}

.nn-section-title {
    fill: var(--ups-blue);
    font-size: 18px;
    font-weight: 800;
}

.nn-label {
    fill: var(--text-primary);
    font-size: 15px;
    font-weight: 700;
}

.nn-small {
    fill: var(--text-secondary);
    font-size: 13px;
}

.nn-image-frame,
.nn-layer-box {
    fill: #ffffff;
    stroke: var(--ups-blue);
    stroke-width: 2;
}

.nn-dense-layer circle {
    fill: #ffffff;
    stroke: var(--ups-blue);
    stroke-width: 2;
}

.nn-output-layer rect {
    fill: #edf3f8;
    stroke: var(--ups-blue);
    stroke-width: 1.5;
    transition: fill 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
}

.nn-output-layer rect.active {
    fill: var(--ups-yellow);
    stroke: var(--ups-blue);
    stroke-width: 4;
    filter: drop-shadow(0 0 7px rgba(242, 197, 0, 0.95));
}

.nn-output-layer text {
    fill: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    pointer-events: none;
}

.nn-links path {
    fill: none;
    stroke: rgba(10, 77, 124, 0.28);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 8 8;
    animation: nnFlow 2.8s linear infinite;
}

.nn-links path:nth-child(3n) {
    stroke: rgba(242, 197, 0, 0.5);
}

.nn-links path:nth-child(4n) {
    stroke-width: 1.2;
    opacity: 0.8;
}

.nn-action-row {
    justify-content: center;
    margin-top: 18px;
}

@keyframes nnFlow {
    to {
        stroke-dashoffset: -32;
    }
}

th {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--card-background);
}

td {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-primary);
}

tr:hover td {
    background-color: var(--app-background);
}

/* Imagen matriz */
.cm-image {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 10px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(15, 20, 25, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

#inference-modal {
    justify-content: flex-start;
    align-items: center;
    padding-left: 275px;
    padding-right: 24px;
}

.modal {
    background-color: var(--card-background);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

#inference-modal .modal {
    width: min(390px, calc(100vw - 315px));
    max-width: 390px;
    max-height: 86vh;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 { margin: 0; }

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 20px;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 20px;
}
.upload-zone:hover {
    border-color: var(--action-secondary);
}

.upload-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 10px;
}

.preview-container {
    text-align: center;
    margin-bottom: 20px;
}
.preview-container img {
    max-width: 100%;
    max-height: 240px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
}

#inference-modal .preview-container img {
    max-height: 210px;
}

.inference-loading {
    text-align: center;
    padding: 20px;
}
.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--action-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px auto;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.app-loader {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
        url("../assets/ups-watermark.png") center center / 420px auto no-repeat,
        #ffffff;
    color: var(--ups-blue);
    font-weight: 800;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.app-loader.hidden-loader {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Barras de progreso */
.prob-bar-container {
    margin-bottom: 10px;
}
.prob-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 4px;
}
.prob-track {
    background-color: var(--border-color);
    border-radius: 4px;
    height: 8px;
    overflow: hidden;
}
.prob-fill {
    background-color: var(--action-secondary);
    height: 100%;
    border-radius: 4px;
}
.prob-fill.winner {
    background-color: var(--action-primary);
}

/* Filtros */
.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    background-color: var(--card-background);
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.06);
}

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

.filter-group label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 4px;
}

.filter-group select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    background-color: #fff;
}