/* ============================================================================
 * ARCHIVO:        assets/css/layout.css
 * DESCRIPCIÓN:    Pantalla auth, barra superior, paneles izquierdo y derecho.
 * VERSIÓN:        2.0.3  (Fase 8.1)
 * CREADO:         2026-05-23
 * ACTUALIZADO:    2026-05-25 (estilo .barra-marca-version)
 * PROYECTO:       Mi Archivador
 * ============================================================================ */

/* ================== PANTALLA AUTH ================== */
.auth-pantalla {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--fondo);
    overflow: hidden;
    z-index: 100;
}
.auth-fondo {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.auth-fondo-mancha {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
}
.auth-fondo-mancha.mancha-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #c7d2fe 0%, transparent 70%);
    top: -200px; left: -100px;
}
.auth-fondo-mancha.mancha-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #fde68a 0%, transparent 70%);
    bottom: -150px; right: -100px;
    opacity: 0.3;
}
.auth-tarjeta {
    position: relative;
    background: var(--tarjeta);
    border-radius: var(--r-2xl);
    box-shadow: var(--sombra-xl);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    z-index: 1;
}
.auth-cabecera {
    margin-bottom: 28px;
    text-align: center;
}
.auth-marca {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--tinta-suave);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 24px;
}
.auth-marca-icono {
    font-size: 22px;
    color: var(--acento);
    line-height: 1;
}
.auth-titulo {
    font-size: 32px;
    font-weight: 500;
    font-family: var(--fuente-display);
    font-variation-settings: 'opsz' 144;
    letter-spacing: -0.025em;
    margin-bottom: 6px;
}
.auth-subtitulo {
    color: var(--tinta-suave);
    font-size: 14px;
}
.auth-formulario {
    margin-bottom: 20px;
}
.auth-error {
    background: var(--peligro-suave);
    color: var(--peligro);
    padding: 10px 14px;
    border-radius: var(--r-md);
    font-size: 13px;
    margin-bottom: 12px;
    border: 1px solid var(--peligro-borde);
}
.auth-cambio {
    text-align: center;
    color: var(--tinta-suave);
    font-size: 13px;
}
#authBoton {
    width: 100%;
    margin-top: 6px;
}

/* ================== APLICACIÓN ================== */
.aplicacion {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

/* ================== BARRA SUPERIOR ================== */
.barra-superior {
    height: var(--barra-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    background: var(--tarjeta);
    border-bottom: 1px solid var(--tarjeta-borde);
    flex-shrink: 0;
    z-index: 50;
    position: relative;
}
.barra-superior-izq,
.barra-superior-der {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.barra-superior-centro {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 16px;
    min-width: 0;
    overflow: hidden;
}
.barra-marca {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--tinta);
    padding: 6px 10px;
    border-radius: var(--r-md);
    transition: background var(--t-rapida);
}
.barra-marca:hover {
    background: var(--fondo-hover);
}
.barra-marca-icono {
    font-size: 18px;
    color: var(--acento);
    line-height: 1;
}
.barra-marca-nombre {
    font-family: var(--fuente-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
}
/* Etiqueta de versión junto al nombre */
.barra-marca-version {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--fondo-suave);
    border: 1px solid var(--tarjeta-borde);
    color: var(--tinta-tenue);
    font-family: 'Public Sans', system-ui, sans-serif;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0;
    vertical-align: 2px;
    text-transform: lowercase;
}

/* Migas de pan */
.barra-migas {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--tinta-suave);
    overflow: hidden;
    white-space: nowrap;
}
.barra-migas-item {
    padding: 4px 8px;
    border-radius: var(--r-sm);
    color: var(--tinta-suave);
    cursor: pointer;
    transition: background var(--t-rapida), color var(--t-rapida);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.barra-migas-item:hover {
    background: var(--fondo-hover);
    color: var(--tinta);
}
.barra-migas-item.actual {
    color: var(--tinta);
    font-weight: 500;
    cursor: default;
}
.barra-migas-item.actual:hover {
    background: transparent;
}
.barra-migas-sep {
    color: var(--tinta-fantasma);
    font-size: 11px;
    user-select: none;
}

/* ================== CUERPO ================== */
.cuerpo {
    flex: 1;
    display: flex;
    min-height: 0;
}

/* ================== PANEL ÁRBOL ================== */
.panel-arbol {
    width: var(--arbol-w);
    background: var(--fondo);
    border-right: 1px solid var(--tarjeta-borde);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: relative;
    transition: margin-left var(--t-media), width var(--t-media);
}
.panel-arbol.oculto {
    margin-left: calc(-1 * var(--arbol-w));
}
.panel-arbol-cabecera {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 14px 10px 18px;
    flex-shrink: 0;
}
.panel-arbol-titulo {
    font-family: var(--fuente-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--tinta);
    letter-spacing: -0.01em;
}
.arbol {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 4px 10px 20px;
}

/* Manija de redimensionado */
.arbol-redim {
    position: absolute;
    top: 0;
    right: -3px;
    width: 6px;
    height: 100%;
    cursor: col-resize;
    z-index: 10;
}
.arbol-redim:hover,
.arbol-redim.activo {
    background: var(--acento);
    opacity: 0.4;
}

/* ================== PANEL VISTA (derecho) ================== */
.panel-vista {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--fondo);
    overflow: hidden;
}

.vista-cabecera {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px 18px;
    border-bottom: 1px solid var(--tarjeta-borde);
    flex-shrink: 0;
    background: var(--fondo);
    gap: 12px;
    flex-wrap: wrap;
}
.vista-cabecera-izq {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.vista-cabecera-der {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.vista-icono {
    font-size: 28px;
    line-height: 1;
}
.vista-titulo {
    font-family: var(--fuente-display);
    font-size: 26px;
    font-weight: 500;
    font-variation-settings: 'opsz' 144;
    letter-spacing: -0.02em;
    color: var(--tinta);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.vista-cambio {
    display: inline-flex;
    background: var(--fondo-suave);
    border-radius: var(--r-md);
    padding: 2px;
}

.vista-cuerpo {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px 60px;
}
/* Cuando contiene el editor, sin padding (el editor lo gestiona) */
.vista-cuerpo:has(.editor-contenedor) {
    padding: 0;
    overflow: hidden;
}

/* Cabecera compacta (cuando se oculta la principal) */
.vista-cabecera-compacta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 14px;
    background: var(--fondo);
    border-bottom: 1px solid var(--tarjeta-borde);
    flex-shrink: 0;
    min-height: 32px;
}
.vista-cabecera-compacta-titulo {
    flex: 1;
    font-family: var(--fuente-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--tinta-suave);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ================== ESTADOS VACÍOS ================== */
.vacio {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--tinta-tenue);
    min-height: 300px;
}
.vacio-icono {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.6;
}
.vacio-titulo {
    font-family: var(--fuente-display);
    font-size: 22px;
    font-weight: 500;
    color: var(--tinta-suave);
    margin-bottom: 8px;
}
.vacio-texto {
    font-size: 14px;
    margin-bottom: 20px;
    max-width: 400px;
}

/* ================== RESPONSIVE ================== */
@media (max-width: 768px) {
    .panel-arbol {
        position: absolute;
        top: var(--barra-h);
        left: 0;
        height: calc(100vh - var(--barra-h));
        height: calc(100dvh - var(--barra-h));
        z-index: 40;
        box-shadow: var(--sombra-lg);
        width: min(320px, 85vw);
    }
    .panel-arbol.oculto {
        margin-left: 0;
        transform: translateX(-105%);
    }
    .vista-cabecera {
        padding: 16px 18px 12px;
    }
    .vista-titulo {
        font-size: 22px;
    }
    .vista-cuerpo {
        padding: 16px 18px 40px;
    }
    .auth-tarjeta {
        padding: 28px 22px;
    }
    .barra-superior-centro {
        padding: 0 6px;
    }
    .barra-marca-nombre {
        display: none;
    }
}