.app-shell {
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: 56px 1fr;
    height: 100vh;
}

.topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--color-primary);
    color: #fff;
}

.topbar .brand {
    font-weight: 700;
    letter-spacing: 0.2px;
}
.topbar .brand small {
    display: block;
    font-weight: 400;
    opacity: 0.85;
    font-size: 11px;
}

.sidebar {
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 14px 10px;
    overflow-y: auto;
}

.sidebar nav a {
    display: block;
    padding: 9px 12px;
    border-radius: var(--radius);
    color: var(--color-text);
    text-decoration: none;
    font-size: 13.5px;
    margin-bottom: 2px;
}
.sidebar nav a.active { background: var(--color-primary-light); color: var(--color-primary-dark); font-weight: 600; }
.sidebar nav a.disabled { color: #b7bdb8; cursor: default; }
.sidebar nav a:not(.disabled):not(.active):hover { background: var(--color-bg); }

.sidebar .seccion-titulo {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 12px 12px 4px;
}

main.workspace {
    overflow: hidden;
    display: grid;
    grid-template-columns: 320px 1fr;
}

.panel-arbol {
    border-right: 1px solid var(--color-border);
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-arbol .arbol-header {
    padding: 12px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-arbol .arbol-scroll {
    overflow-y: auto;
    flex: 1;
    padding: 8px;
}

.panel-ficha {
    overflow-y: auto;
    padding: 24px;
}

.arbol-sector { margin-bottom: 6px; }

.arbol-fila {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13.5px;
}
.arbol-fila:hover { background: var(--color-bg); }
.arbol-fila.sector { font-weight: 700; }
.arbol-fila.linea { padding-left: 20px; font-weight: 600; color: var(--color-text-muted); }
.arbol-fila.equipo { padding-left: 34px; }
.arbol-fila.equipo.selected { background: var(--color-primary-light); color: var(--color-primary-dark); font-weight: 600; }

.arbol-fila .acciones-mini { display: none; gap: 4px; }
.arbol-fila:hover .acciones-mini { display: flex; }
.acciones-mini button {
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 13px;
    padding: 2px 4px;
}
.acciones-mini button:hover { color: var(--color-primary); }

.ficha-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.ficha-header h1 { margin: 0 0 4px; font-size: 20px; }
.ficha-header .subtitulo { color: var(--color-text-muted); font-size: 13px; }
.ficha-header .acciones { display: flex; gap: 8px; flex-wrap: wrap; }

.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 18px;
}
.tabs button {
    border: none;
    background: none;
    padding: 9px 14px;
    cursor: pointer;
    font-size: 13.5px;
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
}
.tabs button.active { color: var(--color-primary-dark); border-color: var(--color-primary); font-weight: 600; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.ficha-foto {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
}

.qr-box {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    flex-wrap: wrap;
}
.qr-box img { width: 200px; height: 200px; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; }

table.tabla-simple { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tabla-simple th, table.tabla-simple td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--color-border);
}
table.tabla-simple th { color: var(--color-text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.doc-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 6px;
    font-size: 13.5px;
}

.dropzone {
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13.5px;
}