/* ================================================================
   NEURAL NETWORK MANAGER — Panel styles
   Estilos para o modal de gerenciamento de redes neurais
   ================================================================ */

.nn-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--window-muted);
}

.nn-empty-hint {
    font-size: 12px;
    margin: 8px 0 16px;
    opacity: 0.7;
}

.nn-toolbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 12px;
}

.nn-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nn-card {
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.nn-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--neutral-100);
}

.nn-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 13px;
}

.nn-card-id {
    font-family: monospace;
    color: var(--primary-text);
}

.nn-badge {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.nn-status-trained {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
}

.nn-status-untrained {
    background: rgba(250, 204, 21, 0.15);
    color: var(--accent-yellow);
}

.nn-card-actions {
    display: flex;
    gap: 4px;
}

.nn-card-body {
    padding: 10px 14px;
}

.nn-card-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 3px 0;
    font-size: 12px;
}

.nn-card-label {
    color: var(--window-muted);
    flex-shrink: 0;
}

.nn-card-value {
    color: var(--window-text);
    text-align: right;
    font-family: monospace;
    font-size: 11px;
}

.nn-card-classes {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ----------------------------------------------------------------
   Create form — Formulario de criacao modernizado
   ---------------------------------------------------------------- */

.nn-form {
    padding: 8px 0;
}

.nn-form h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px;
    font-size: 14px;
}

.nn-form .form-group label {
    display: block;
    font-size: 12px;
    color: var(--window-muted);
    margin-bottom: 6px;
}

.nn-form .form-control {
    border-radius: var(--radius-xl);
    padding: 10px 14px;
    border: 1px solid var(--neutral-300);
    background: var(--neutral-0);
    color: var(--window-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.nn-form .form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 25%, transparent);
    outline: none;
}

/* Topology group — agrupamento visual Input→Hidden→Output */
.nn-topology-group {
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    padding: 12px 14px 14px;
    margin: 12px 0;
}

.nn-topology-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--window-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.nn-topology-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.nn-topology-row .form-group {
    flex: 1;
}

.nn-topology-arrow {
    flex: 0 0 auto;
    font-size: 18px;
    color: var(--neutral-400);
    padding-bottom: 10px;
    -webkit-user-select: none;
    user-select: none;
}

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

.nn-form-row .form-group {
    flex: 1;
}

.nn-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--neutral-200);
}

/* ----------------------------------------------------------------
   Dynamic hidden layers builder — Construtor de camadas ocultas
   ---------------------------------------------------------------- */

.nn-topology-fixed {
    flex: 0 0 auto;
    min-width: 70px;
}

#nn-hidden-layers-container {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: flex-end;
    flex: 1;
}

.nn-hidden-layer-row {
    display: flex;
    align-items: flex-end;
    gap: 4px;
}

.nn-hidden-layer-row .form-group {
    min-width: 60px;
    max-width: 85px;
}

.nn-remove-layer-btn {
    padding: 4px 6px;
    margin-bottom: 8px;
    color: var(--accent-red);
    background: none;
    border: 1px solid transparent;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background 0.15s;
}

.nn-remove-layer-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.nn-topology-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.nn-param-count {
    font-size: 11px;
    font-family: monospace;
    color: var(--neutral-400);
}

/* Compact panel variant — Variante compacta para o side panel */
#nn-panel-hidden-layers {
    display: inline-flex;
    gap: 2px;
    align-items: center;
    flex-wrap: wrap;
}

.nn-panel-hidden-input,
.nn-topo-hidden-input {
    width: 48px;
}

.nn-panel-remove-layer {
    cursor: pointer;
    color: var(--accent-red);
    font-size: 12px;
    line-height: 1;
    padding: 0 2px;
    opacity: 0.7;
    transition: opacity 0.15s;
}

.nn-panel-remove-layer:hover {
    opacity: 1;
}