/* ===========================================
   LEGADO.ART - Esquemas Visuales
   =========================================== */

/* =============================================================================
   Hero / Selector de tipo de esquema
   ============================================================================= */

.esquema-selector {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-md) var(--space-2xl);
    text-align: center;
}

.esquema-selector__titulo {
    font-size: var(--font-size-3xl);
    font-family: var(--font-family-display);
    color: var(--color-text-primary);
    font-weight: 400;
    margin: 0 0 var(--space-sm) 0;
    letter-spacing: var(--letter-spacing-tight);
}

.esquema-selector__subtitulo {
    color: var(--color-text-muted);
    font-family: var(--font-family-display);
    font-size: var(--font-size-lg);
    margin: 0 0 var(--space-xs) 0;
    line-height: var(--line-height-normal);
}

.esquema-selector__badge {
    display: inline-block;
    font-size: 0.7rem;
    color: var(--cobre-electrico);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 4px 14px;
    background: rgba(176, 140, 62, 0.12);
    border: 1px solid rgba(176, 140, 62, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2xl);
}

/* Divisor decorativo */
.esquema-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: var(--space-2xl);
}

.esquema-divider__line {
    height: 1px;
    width: 60px;
    background: linear-gradient(90deg, transparent, rgba(176, 140, 62, 0.3), transparent);
}

.esquema-divider__diamond {
    width: 6px;
    height: 6px;
    background: var(--cobre);
    transform: rotate(45deg);
    opacity: 0.5;
}

/* Grid de tipos */
.esquema-tipos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.esquema-tipo-card {
    position: relative;
    background: linear-gradient(145deg, var(--verde-profundo) 0%, rgba(26, 61, 46, 0.5) 100%);
    border: 1px solid rgba(176, 140, 62, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    overflow: hidden;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.esquema-tipo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cobre), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.esquema-tipo-card:hover {
    border-color: var(--cobre);
    transform: translateY(-6px) scale(1.02);
    filter: drop-shadow(0 0 30px rgba(176, 140, 62, 0.4));
}

.esquema-tipo-card:hover::before {
    opacity: 1;
}

.esquema-tipo-card__icono {
    width: 52px;
    height: 52px;
    margin: 0 auto var(--space-md);
    color: var(--cobre);
    stroke-width: 1.5;
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 0 transparent);
}

.esquema-tipo-card:hover .esquema-tipo-card__icono {
    color: #E5D9C5;
    filter: drop-shadow(0 0 12px rgba(176, 140, 62, 0.5));
    transform: scale(1.1);
}

.esquema-tipo-card__nombre {
    font-size: var(--font-size-xl);
    font-family: var(--font-family-display);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-xs) 0;
    font-weight: 400;
    transition: color 0.3s ease;
}

.esquema-tipo-card:hover .esquema-tipo-card__nombre {
    color: #E5D9C5;
}

.esquema-tipo-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
    line-height: var(--line-height-normal);
}

/* =============================================================================
   Busqueda de entidad
   ============================================================================= */

.esquema-busqueda {
    max-width: 620px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
}

.esquema-busqueda__titulo {
    font-size: var(--font-size-2xl);
    font-family: var(--font-family-display);
    color: var(--color-text-primary);
    font-weight: 400;
    margin: 0 0 var(--space-lg) 0;
    text-align: center;
}

.esquema-busqueda__campo {
    position: relative;
    margin-bottom: var(--space-sm);
}

.esquema-busqueda__input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(244, 236, 226, 0.06);
    border: 1px solid rgba(176, 140, 62, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family-display);
    font-size: var(--font-size-md);
    transition: all var(--transition-normal);
    box-sizing: border-box;
}

.esquema-busqueda__input::placeholder {
    color: var(--color-text-muted);
}

.esquema-busqueda__input:focus {
    outline: none;
    border-color: var(--cobre);
    background: rgba(244, 236, 226, 0.08);
    box-shadow: 0 0 0 3px rgba(176, 140, 62, 0.1);
}

.esquema-resultados {
    max-height: 320px;
    overflow-y: auto;
    background: rgba(15, 42, 34, 0.97);
    border: 1px solid rgba(176, 140, 62, 0.2);
    border-radius: var(--radius-md);
    display: none;
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.esquema-resultados.visible {
    display: block;
}

.esquema-resultado-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid rgba(176, 140, 62, 0.06);
}

.esquema-resultado-item:last-child {
    border-bottom: none;
}

.esquema-resultado-item:hover {
    background: rgba(176, 140, 62, 0.08);
}

.esquema-resultado-item.selected {
    background: rgba(176, 140, 62, 0.12);
    border-left: 3px solid var(--cobre);
}

.esquema-resultado__imagen {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--color-bg-tertiary);
    flex-shrink: 0;
    border: 1px solid rgba(176, 140, 62, 0.1);
}

.esquema-resultado__info {
    flex: 1;
    min-width: 0;
}

.esquema-resultado__nombre {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.esquema-resultado__detalle {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

.esquema-resultado__tipo {
    font-size: 0.65rem;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
    font-weight: 500;
}

.esquema-resultado__tipo--person {
    background: rgba(26, 61, 46, 0.6);
    color: var(--color-accent-light);
    border: 1px solid rgba(176, 140, 62, 0.3);
}

.esquema-resultado__tipo--concept {
    background: rgba(15, 42, 34, 0.6);
    color: var(--cobre-electrico);
    border: 1px solid rgba(255, 183, 102, 0.3);
}

.esquema-resultado__tipo--cultural_object {
    background: rgba(138, 106, 41, 0.2);
    color: var(--color-accent-light);
    border: 1px solid rgba(176, 140, 62, 0.3);
}

.esquema-busqueda__acciones {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    margin-top: var(--space-lg);
}

.esquema-btn {
    padding: 11px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-family-display);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.esquema-btn--primary {
    background: linear-gradient(135deg, var(--cobre) 0%, var(--cobre-oscuro) 100%);
    color: var(--verde-oscuro);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.esquema-btn--primary:hover {
    background: linear-gradient(135deg, var(--cobre-electrico) 0%, var(--cobre) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(176, 140, 62, 0.3);
}

.esquema-btn--primary:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.esquema-btn--secondary {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid rgba(176, 140, 62, 0.25);
}

.esquema-btn--secondary:hover {
    border-color: var(--cobre);
    color: var(--color-accent-light);
    background: rgba(176, 140, 62, 0.05);
}

/* Seleccion de segunda entidad (comparativo) */
.esquema-busqueda__segunda {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(176, 140, 62, 0.1);
}

/* =============================================================================
   Editor (canvas + toolbar)
   ============================================================================= */

.esquema-editor {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 140px);
    position: relative;
}

.esquema-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    background: linear-gradient(180deg, rgba(15, 42, 34, 0.95) 0%, rgba(15, 42, 34, 0.85) 100%);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(176, 140, 62, 0.15);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.esquema-toolbar__titulo {
    flex: 1;
    min-width: 0;
}

.esquema-toolbar__titulo-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid transparent;
    color: var(--color-text-primary);
    font-family: var(--font-family-display);
    font-size: var(--font-size-lg);
    padding: 4px 0;
    transition: border-color var(--transition-normal);
}

.esquema-toolbar__titulo-input:hover {
    border-bottom-color: rgba(176, 140, 62, 0.2);
}

.esquema-toolbar__titulo-input:focus {
    outline: none;
    border-bottom-color: var(--cobre);
}

.esquema-toolbar__grupo {
    display: flex;
    align-items: center;
    gap: 6px;
}

.esquema-toolbar__btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(244, 236, 226, 0.04);
    border: 1px solid rgba(176, 140, 62, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.esquema-toolbar__btn:hover {
    background: rgba(176, 140, 62, 0.12);
    border-color: var(--cobre);
    color: var(--cobre-electrico);
    transform: translateY(-1px);
}

.esquema-toolbar__btn svg {
    width: 18px;
    height: 18px;
}

.esquema-toolbar__select {
    background: rgba(244, 236, 226, 0.06);
    border: 1px solid rgba(176, 140, 62, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family-display);
    font-size: var(--font-size-xs);
    padding: 7px 12px;
    cursor: pointer;
}

.esquema-toolbar__select:focus {
    outline: none;
    border-color: var(--cobre);
}

.esquema-guardar-btn {
    padding: 7px 20px;
    background: linear-gradient(135deg, var(--cobre) 0%, var(--cobre-oscuro) 100%);
    color: var(--verde-oscuro);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-family-display);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.esquema-guardar-btn:hover {
    background: linear-gradient(135deg, var(--cobre-electrico) 0%, var(--cobre) 100%);
    box-shadow: 0 2px 12px rgba(176, 140, 62, 0.3);
}

/* =============================================================================
   Canvas Cytoscape
   ============================================================================= */

.esquema-canvas {
    flex: 1;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(15, 42, 34, 0.4) 0%, var(--verde-oscuro) 70%);
}

#cy {
    width: 100%;
    height: 100%;
}

/* Watermark sutil */
.esquema-canvas::after {
    content: 'Legado.art';
    position: absolute;
    bottom: 12px;
    right: 16px;
    font-family: var(--font-family-display);
    font-size: 0.7rem;
    color: rgba(176, 140, 62, 0.15);
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 1;
}

/* =============================================================================
   Panel de detalle lateral
   ============================================================================= */

.esquema-detalle {
    position: absolute;
    top: 0;
    right: 0;
    width: 290px;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 42, 34, 0.97) 0%, rgba(9, 26, 20, 0.97) 100%);
    backdrop-filter: blur(16px);
    border-left: 1px solid rgba(176, 140, 62, 0.2);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 20;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
}

.esquema-detalle.visible {
    transform: translateX(0);
}

.esquema-detalle__cerrar {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 30px;
    height: 30px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(176, 140, 62, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 2;
}

.esquema-detalle__cerrar:hover {
    background: rgba(176, 140, 62, 0.15);
    color: var(--color-text-primary);
    border-color: var(--cobre);
}

.esquema-detalle__imagen {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid rgba(176, 140, 62, 0.1);
}

.esquema-detalle__body {
    padding: var(--space-lg);
}

.esquema-detalle__nombre {
    font-size: var(--font-size-lg);
    font-family: var(--font-family-display);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-xs) 0;
    font-weight: 400;
    line-height: var(--line-height-tight);
}

.esquema-detalle__subtitulo {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0 0 var(--space-md) 0;
}

.esquema-detalle__tipo {
    display: inline-block;
    font-size: 0.65rem;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(176, 140, 62, 0.12);
    color: var(--color-accent-light);
    border: 1px solid rgba(176, 140, 62, 0.3);
    margin-bottom: var(--space-md);
}

.esquema-detalle__link {
    display: block;
    padding: 10px 14px;
    background: transparent;
    border: 1px solid rgba(176, 140, 62, 0.25);
    border-radius: var(--radius-sm);
    color: var(--cobre);
    font-family: var(--font-family-display);
    font-size: var(--font-size-sm);
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-normal);
}

.esquema-detalle__link:hover {
    background: rgba(176, 140, 62, 0.1);
    border-color: var(--cobre);
    color: var(--cobre-electrico);
}

/* =============================================================================
   Modal de terminos legales
   ============================================================================= */

.esquema-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.esquema-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.esquema-modal {
    background: linear-gradient(145deg, #0F2A22 0%, #1a3d32 100%);
    border: 1px solid rgba(176, 140, 62, 0.3);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    padding: var(--space-xl);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s ease;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.esquema-modal-overlay.active .esquema-modal {
    transform: translateY(0) scale(1);
}

.esquema-modal__titulo {
    font-size: var(--font-size-xl);
    font-family: var(--font-family-display);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-md) 0;
    font-weight: 400;
}

.esquema-legal-texto {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-lg);
}

.esquema-legal-texto ul {
    padding-left: var(--space-md);
    margin: var(--space-sm) 0;
}

.esquema-legal-texto li {
    margin-bottom: var(--space-xs);
}

.esquema-modal__acciones {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

/* =============================================================================
   Modal de anadir nodo (esquema libre)
   ============================================================================= */

.esquema-modal--anadir .esquema-busqueda__input {
    margin-bottom: var(--space-sm);
}

.esquema-modal--anadir .esquema-resultados {
    max-height: 250px;
}

/* =============================================================================
   Loading / generando spinner
   ============================================================================= */

.esquema-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-md);
    gap: var(--space-md);
}

.esquema-loading__spinner {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(176, 140, 62, 0.15);
    border-top-color: var(--cobre);
    border-radius: 50%;
    animation: esquema-spin 0.8s linear infinite;
}

.esquema-loading__texto {
    font-family: var(--font-family-display);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

@keyframes esquema-spin {
    to { transform: rotate(360deg); }
}

/* =============================================================================
   Toast (estilos mejorados)
   ============================================================================= */

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: var(--font-family-display);
    z-index: var(--z-toast);
    transition: opacity 0.3s ease;
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.toast--success {
    background: rgba(39, 174, 96, 0.9);
    color: #fff;
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.toast--error {
    background: rgba(231, 76, 60, 0.9);
    color: #fff;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

/* =============================================================================
   Responsive
   ============================================================================= */

@media (max-width: 768px) {
    .esquema-selector {
        padding: var(--space-xl) var(--space-md);
    }

    .esquema-selector__titulo {
        font-size: var(--font-size-2xl);
    }

    .esquema-tipos-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
    }

    .esquema-tipo-card {
        padding: var(--space-lg) var(--space-md);
        border-radius: var(--radius-md);
    }

    .esquema-tipo-card__icono {
        width: 40px;
        height: 40px;
    }

    .esquema-tipo-card__nombre {
        font-size: var(--font-size-lg);
    }

    .esquema-editor {
        height: calc(100vh - 120px);
    }

    .esquema-toolbar {
        padding: 8px 12px;
        gap: 8px;
    }

    .esquema-detalle {
        width: 100%;
        height: auto;
        max-height: 50vh;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        border-left: none;
        border-top: 1px solid rgba(176, 140, 62, 0.2);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        transform: translateY(100%);
    }

    .esquema-detalle.visible {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .esquema-tipos-grid {
        grid-template-columns: 1fr;
    }

    .esquema-toolbar__titulo-input {
        font-size: var(--font-size-md);
    }
}