/* ================================================================
   UX ENHANCEMENT v2.0
   Mejoras de jerarquía visual y navegación — Modos Aislada y Red
   Integración No Destructiva — no sobreescribe estilos globales
   ================================================================ */

/* ===================================================================
   1. BARRA DE PROGRESO (STEPPER HORIZONTAL)
   Muestra en qué paso del flujo se encuentra el usuario
   =================================================================== */
#isolated-stepper,
#grid-stepper {
    display: none; /* activado mediante JS según modo activo */
    align-items: center;
    gap: 0;
    margin-bottom: 1.25rem;
    padding: 10px 16px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    overflow-x: auto;
    scrollbar-width: none;
    flex-wrap: nowrap;
    flex-shrink: 0;
}

#isolated-stepper::-webkit-scrollbar,
#grid-stepper::-webkit-scrollbar {
    display: none;
}

/* Elemento de paso */
.stepper-step {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 8px;
    border: none;
    background: transparent;
    text-decoration: none;
    transition: background 0.2s ease;
}

.stepper-step:hover {
    background: #f1f5f9;
}

/* Círculo numerado */
.stepper-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #94a3b8;
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.25s ease;
    border: 2px solid #e2e8f0;
    font-family: var(--font-headings, 'Outfit', sans-serif);
}

/* Estado ACTIVO */
.stepper-step.active .stepper-circle {
    background: #2563eb;
    color: #ffffff;
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.stepper-step.active .stepper-circle .stepper-num {
    display: inline;
}

/* Estado VISITADO (el usuario ya pasó por ese paso) */
.stepper-step.visited .stepper-circle {
    background: #dbeafe;
    color: #1d4ed8;
    border-color: #93c5fd;
    font-size: 0.9rem; /* para que quepa el ✓ */
}

.stepper-step.visited .stepper-circle .stepper-num {
    display: none;
}

.stepper-step.visited .stepper-circle::after {
    content: '✓';
    font-size: 0.85rem;
    font-weight: 700;
}

/* Etiqueta de texto del paso */
.stepper-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
    line-height: 1.2;
    letter-spacing: 0.01em;
    font-family: var(--font-main, 'Inter', sans-serif);
}

.stepper-step.active .stepper-label {
    color: #1e293b;
    font-weight: 700;
}

.stepper-step.visited .stepper-label {
    color: #3b82f6;
}

/* Línea conectora entre pasos */
.stepper-connector {
    flex: 1 0 20px;
    height: 2px;
    background: #e2e8f0;
    min-width: 14px;
    max-width: 36px;
    border-radius: 1px;
    transition: background 0.3s ease;
    flex-shrink: 1;
}

.stepper-connector.done {
    background: #93c5fd;
}

/* ===================================================================
   2. BANNER CONTEXTUAL DE PASO
   Guía breve dentro de cada pestaña — qué hacer aquí
   =================================================================== */
.step-guide-banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 16px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-left: 4px solid #2563eb;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    margin-top: 4px;
}

.step-guide-icon {
    font-size: 1.15rem;
    flex-shrink: 0;
    margin-top: 1px;
    line-height: 1.5;
}

.step-guide-text {
    font-size: 0.875rem;
    color: #1e40af;
    line-height: 1.55;
    font-family: var(--font-main, 'Inter', sans-serif);
}

.step-guide-text strong {
    color: #1e3a8a;
    display: block;
    margin-bottom: 2px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
}

/* ===================================================================
   3. NAVEGACIÓN ANTERIOR / SIGUIENTE
   Pie de cada pestaña con botones de flujo secuencial
   =================================================================== */
.tab-nav-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 2px solid #f1f5f9;
}

.tab-nav-footer .btn-nav-prev {
    background: #f8fafc;
    color: #475569;
    border: 1px solid #e2e8f0;
    padding: 9px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: background 0.18s ease, color 0.18s ease;
    box-shadow: none;
    margin: 0;
}

.tab-nav-footer .btn-nav-prev:hover {
    background: #e2e8f0;
    color: #1e293b;
    transform: none;
    box-shadow: none;
}

.tab-nav-footer .btn-nav-next {
    background: #2563eb;
    color: #ffffff;
    border: none;
    padding: 9px 22px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: background 0.18s ease, box-shadow 0.18s ease, transform 0.15s ease;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
    margin: 0;
}

.tab-nav-footer .btn-nav-next:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.tab-nav-footer .btn-nav-next.btn-finish {
    background: #059669;
    box-shadow: 0 2px 6px rgba(5, 150, 105, 0.25);
}

.tab-nav-footer .btn-nav-next.btn-finish:hover {
    background: #047857;
    box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
}

.tab-nav-footer .step-pos-label {
    font-size: 0.78rem;
    color: #94a3b8;
    font-weight: 500;
    font-family: var(--font-main, 'Inter', sans-serif);
}

/* ===================================================================
   4. DIFERENCIACIÓN VISUAL DE CELDAS EN TABLAS IDAE
   Tres tipos: dato de entrada / vinculado / calculado
   =================================================================== */

/* Aislada: tipografía de tablas alineada al design system */
body.mode-isolated .table-v-idae,
body.mode-isolated .table-vi {
    font-family: var(--font-main);
    color: var(--text-main);
}

body.mode-isolated .table-v-idae th,
body.mode-isolated .table-vi th {
    font-family: var(--font-headings);
}

/* Valor VINCULADO — proviene de otro paso */
body.mode-isolated .table-v-idae td.linked-cell,
body.mode-isolated .table-vi td.linked-cell {
    background: var(--color-primary-light, var(--color-azul-ultra-light)) !important;
    border-left: 3px solid var(--color-accent, var(--color-azul-light)) !important;
    color: var(--tone-1, var(--color-azul)) !important;
    font-weight: 600;
}

body.mode-isolated .table-v-idae td.linked-cell span,
body.mode-isolated .table-vi td.linked-cell span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

body.mode-isolated .table-v-idae td.linked-cell span::before,
body.mode-isolated .table-vi td.linked-cell span::before {
    content: '↗';
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Valor CALCULADO FINAL — resultado principal del paso */
body.mode-isolated .table-v-idae td.calculated-value-final,
body.mode-isolated .table-vi td.calculated-value-final,
body.mode-isolated .table-v-idae .calculated-value-final,
body.mode-isolated .table-vi .calculated-value-final {
    background: var(--color-primary-light, var(--color-azul-ultra-light)) !important;
    color: var(--tone-1-dark, var(--color-azul-dark)) !important;
    font-size: 1.05rem !important;
    font-weight: 800 !important;
    border: 1px solid var(--color-accent, var(--color-azul-light)) !important;
}

/* Valor CALCULADO INTERMEDIO */
body.mode-isolated .table-v-idae td.calculated,
body.mode-isolated .table-vi td.calculated {
    background: var(--gris-50);
    color: var(--tone-1, var(--color-azul));
    font-weight: 600;
    font-style: italic;
}

/* Celda de ENTRADA — dato editable */
body.mode-isolated .table-v-idae td.input-cell,
body.mode-isolated .table-vi td.input-cell {
    background: var(--blanco);
}

/* Estilo sobrio para tablas clave de dimensionado (Pmp y Baterias) */
body.mode-isolated #tabPmp .table-v-idae,
body.mode-isolated #tabBaterias #main-battery-table.table-vi {
    border: 1px solid var(--gris-200);
    border-radius: 8px;
    overflow: hidden;
    background: var(--blanco);
}

body.mode-isolated #tabPmp .table-v-idae th,
body.mode-isolated #tabPmp .table-v-idae td,
body.mode-isolated #tabBaterias #main-battery-table.table-vi th,
body.mode-isolated #tabBaterias #main-battery-table.table-vi td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--gris-200);
    font-size: 0.9rem;
    color: var(--gris-700);
}

body.mode-isolated #tabPmp .table-v-idae td:first-child,
body.mode-isolated #tabBaterias #main-battery-table.table-vi td:first-child {
    font-weight: 600;
    color: var(--gris-800);
}

body.mode-isolated #tabPmp .table-v-idae .header-row th,
body.mode-isolated #tabBaterias #main-battery-table.table-vi .header-row th {
    background: var(--gris-700);
    color: var(--blanco);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: none;
}

body.mode-isolated #tabPmp .table-v-idae .subheader-row th,
body.mode-isolated #tabBaterias #main-battery-table.table-vi .subheader-row th {
    background: var(--gris-100);
    color: var(--gris-700);
    font-size: 0.83rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--gris-300);
}

body.mode-isolated #tabPmp .table-v-idae tbody tr:nth-child(even),
body.mode-isolated #tabBaterias #main-battery-table.table-vi tbody tr:nth-child(even) {
    background: #fbfcfe;
}

body.mode-isolated #tabPmp .table-v-idae tbody tr:hover,
body.mode-isolated #tabBaterias #main-battery-table.table-vi tbody tr:hover {
    background: #f1f5f9;
}

body.mode-isolated #tabPmp .table-v-idae td.linked-cell,
body.mode-isolated #tabBaterias #main-battery-table.table-vi td.linked-cell {
    background: #f8fafc !important;
    border-left: 3px solid var(--gris-400) !important;
    color: var(--gris-700) !important;
    font-weight: 600;
}

body.mode-isolated #tabPmp .table-v-idae td.calculated,
body.mode-isolated #tabBaterias #main-battery-table.table-vi td.calculated {
    background: #f8fafc;
    color: var(--gris-700);
    font-weight: 600;
    font-style: normal;
}

body.mode-isolated #tabPmp .table-v-idae td.calculated-value-final,
body.mode-isolated #tabBaterias #main-battery-table.table-vi td.calculated-value-final,
body.mode-isolated #tabPmp .table-v-idae .calculated-value-final,
body.mode-isolated #tabBaterias #main-battery-table.table-vi .calculated-value-final {
    background: #eef2f7 !important;
    color: var(--gris-800) !important;
    border: 1px solid var(--gris-300) !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
}

/* ===================================================================
   5. LEYENDA DE TIPOS DE CELDA
   Se inserta antes de las tablas IDAE para orientar al usuario
   =================================================================== */
.table-legend {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 10px;
    padding: 7px 12px;
    background: var(--gris-50);
    border-radius: 8px;
    border: 1px solid var(--gris-100);
}

.table-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-family: var(--font-main, 'Inter', sans-serif);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

.legend-dot.input-dot {
    background: var(--blanco);
    border: 1.5px solid var(--gris-300);
}

.legend-dot.linked-dot {
    background: var(--color-primary-light, var(--color-azul-ultra-light));
    border: 1.5px solid var(--color-accent, var(--color-azul-light));
}

.legend-dot.calculated-dot {
    background: var(--color-primary-light, var(--color-azul-ultra-light));
    border: 1.5px solid var(--color-accent, var(--color-azul-light));
}

/* ===================================================================
   6. LAYOUT SIN SIDEBAR (modo Aislada — stepper como nav principal)
   =================================================================== */

/* Oculta la barra de navegación oscura cuando el stepper está activo */
.app-body.iso-sin-sidebar .sidebar {
    display: none !important;
}

/* ── Barra superior compacta (reemplaza el sidebar oscuro) ── */
.iso-topbar {
    display: none; /* controlado por JS */
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    background: linear-gradient(90deg, #334155 0%, #1e293b 100%);
    border-bottom: 2px solid #3b82f6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    gap: 16px;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 200;
    flex-shrink: 0;
}

.iso-topbar-brand {
    font-family: var(--font-headings, 'Outfit', sans-serif);
    font-weight: 700;
    font-size: 1.05rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.iso-topbar-mode-badge {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 20px;
    color: #f1f5f9;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: default;
    user-select: none;
    font-family: var(--font-main, 'Inter', sans-serif);
}

.iso-topbar-mode select {
    padding: 6px 28px 6px 10px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: #f8fafc;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.iso-topbar-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.iso-topbar-btn {
    padding: 6px 13px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    color: #e2e8f0;
    white-space: nowrap;
    transition: background 0.15s;
}

.iso-topbar-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
}

.iso-topbar-btn.primary {
    background: #2563eb;
    border-color: #3b82f6;
    color: #ffffff;
}

.iso-topbar-btn.primary:hover {
    background: #1d4ed8;
}

/* ── Fila de pestañas de utilidad (Pliego, Gráficas, OT) ── */
.iso-util-nav {
    display: none; /* controlado por JS */
    align-items: center;
    gap: 6px;
    padding: 5px 20px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.iso-util-label {
    font-size: 0.72rem;
    color: #94a3b8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 4px;
}

.iso-util-btn {
    padding: 3px 12px;
    background: transparent;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.77rem;
    color: #64748b;
    transition: all 0.15s;
    white-space: nowrap;
}

.iso-util-btn:hover,
.iso-util-btn.active {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #2563eb;
    font-weight: 600;
}

/* Ocultar sidebar también en modo Conexión a Red */
.app-body.grid-sin-sidebar .sidebar {
    display: none !important;
}

/* El stepper pierde bordes redondeados y márgenes al ser nav principal */
.app-body.iso-sin-sidebar #isolated-stepper,
.app-body.grid-sin-sidebar #grid-stepper {
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    margin-bottom: 0;
}

/* El content-area no necesita padding extra cuando no hay sidebar */
.app-body.iso-sin-sidebar .content-area,
.app-body.grid-sin-sidebar .content-area {
    padding: 0;
}

.app-body.iso-sin-sidebar .main-header,
.app-body.grid-sin-sidebar .main-header {
    padding: 16px 24px 0 24px;
}

/* ===================================================================
   7. RESPONSIVO
   =================================================================== */
@media (max-width: 900px) {
    .stepper-label {
        display: none;
    }

    .stepper-connector {
        min-width: 8px;
        max-width: 16px;
    }

    #grid-stepper .stepper-connector {
        flex: 1 0 8px;
    }
}

@media (max-width: 640px) {
    #isolated-stepper {
        padding: 8px 12px;
    }

    .tab-nav-footer {
        flex-direction: column-reverse;
        gap: 10px;
    }

    .tab-nav-footer .btn-nav-next,
    .tab-nav-footer .btn-nav-prev {
        width: 100%;
        justify-content: center;
    }

    .step-pos-label {
        text-align: center;
    }

    .iso-topbar {
        padding: 8px 12px;
    }

    .iso-topbar-brand {
        font-size: 0.85rem;
    }

    .iso-topbar-btn {
        padding: 5px 8px;
        font-size: 0.75rem;
    }
}

/* ===================================================================
   8. MÓVIL OPTIMIZADO — Layout sin sidebar en pantallas ≤ 768px
   Reduce la cascada de paddings horizontales que consume ~108px
   del viewport (main-header 24+24 + container 15+15 + tab 15+15).
   Objetivo: liberar el máximo ancho posible para tablas y formularios.
   =================================================================== */
@media (max-width: 768px) {
    /* Paso 1: Reducir padding del encabezado principal */
    .app-body.iso-sin-sidebar .main-header,
    .app-body.grid-sin-sidebar .main-header {
        padding: 8px 8px 0 8px;
    }

    /* Paso 2: Compactar el container hasta los bordes de la pantalla */
    .app-body.iso-sin-sidebar .container,
    .app-body.grid-sin-sidebar .container {
        padding: 6px !important;
        border-radius: 6px;
        border-left: none;
        border-right: none;
        box-shadow: none;
    }

    /* Paso 3: Reducir padding interno del tab-content */
    .app-body.iso-sin-sidebar .tab-content,
    .app-body.grid-sin-sidebar .tab-content {
        padding: 10px !important;
        border-radius: 6px;
        margin-top: 6px;
    }

    /* Paso 4: H3 más compacto sin desplazamiento negativo innecesario */
    .app-body.iso-sin-sidebar .tab-content h3,
    .app-body.grid-sin-sidebar .tab-content h3 {
        font-size: 1.1rem;
        margin-left: 0;
        padding-left: 10px;
        margin-bottom: 12px;
    }

    /* Paso 5: Avisos y cajas informativas no deben cortar texto en móvil */
    .app-body.iso-sin-sidebar .comentario-tecnico,
    .app-body.iso-sin-sidebar .dc-load-notice,
    .app-body.iso-sin-sidebar .msg-info-box,
    .app-body.iso-sin-sidebar #error-container {
        word-break: break-word;
        overflow-wrap: anywhere;
        font-size: 0.82rem;
        padding: 8px 10px;
    }

    /* Paso 6: Banners de guía de paso más compactos */
    .app-body.iso-sin-sidebar .step-guide-banner {
        padding: 8px 10px;
        font-size: 0.82rem;
        margin-bottom: 10px;
    }

    /* Paso 7: Leyenda de tabla más compacta */
    .app-body.iso-sin-sidebar .table-legend {
        flex-wrap: wrap;
        gap: 6px;
        font-size: 0.75rem;
        padding: 6px 8px;
    }

    /* Paso 8: Módulo de validación de batería ocupa todo el ancho */
    .app-body.iso-sin-sidebar #battery-validator-module .grid-container {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    /* Ultra-compacto para móviles muy estrechos */
    .app-body.iso-sin-sidebar .main-header,
    .app-body.grid-sin-sidebar .main-header {
        padding: 6px 4px 0 4px;
    }

    .app-body.iso-sin-sidebar .container,
    .app-body.grid-sin-sidebar .container {
        padding: 4px !important;
    }

    .app-body.iso-sin-sidebar .tab-content,
    .app-body.grid-sin-sidebar .tab-content {
        padding: 8px !important;
    }
}