/* ================================================================
   BJC — Design System: HUD (oscuro) + Blueprint (claro)
   Tema por defecto: HUD — cian luminoso sobre negro azulado.
   Alternar con data-theme="light" en <html> → Blueprint.
   ================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Tokens HUD (oscuro, por defecto) ─────────────────────────── */
:root {
    /* Fondos */
    --bg:         #080c16;
    --bg-surface: #0d1422;
    --bg-card:    #101828;
    --bg-input:   #0d1422;
    --bg-hover:   #162035;
    --bg-navbar:  #060a12;

    /* Bordes */
    --border:        rgba(45,212,238,.22);
    --border-subtle: rgba(45,212,238,.10);

    /* Texto */
    --text:   #dceef4;
    --text-2: #5d7a8a;
    --text-3: #3a5566;

    /* Acento principal → cian */
    --accent:     #2dd4ee;
    --accent-dim: rgba(45,212,238,.12);

    /* Estados semánticos */
    --success:     #10b981;
    --success-dim: rgba(16,185,129,.12);
    --warning:     #f59e0b;
    --warning-dim: rgba(245,158,11,.12);
    --danger:      #ef4444;
    --danger-dim:  rgba(239,68,68,.12);

    /* Púrpura — verificación */
    --accent-purple:     #7c3aed;
    --accent-purple-dim: rgba(124,58,237,.12);

    /* Glow — solo activos en HUD */
    --glow-accent: 0 0 14px rgba(45,212,238,.40);
    --glow-text:   0 0 10px rgba(45,212,238,.35);
    --glow-focus:  0 0 0 3px rgba(45,212,238,.22);

    /* Radios, transición */
    --radius-sm: 6px;
    --radius-md: 10px;
    --trans:     .15s ease;

    /* Sidebar */
    --sb-w:     214px;
    --sb-w-min:  62px;

    /* Tipografía */
    --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --tracking-hdr: .10em;
}

/* ── Tokens Blueprint (claro) ─────────────────────────────────── */
[data-theme="light"] {
    --bg:         #eef3f9;
    --bg-surface: #e4ecf5;
    --bg-card:    #ffffff;
    --bg-input:   #f7f9fc;
    --bg-hover:   #dde7f4;
    --bg-navbar:  #dde7f2;

    --border:        rgba(11,109,181,.32);
    --border-subtle: rgba(11,109,181,.14);

    --text:   #13202d;
    --text-2: #5a6b78;
    --text-3: #8a9fae;

    --accent:     #0b6db5;
    --accent-dim: rgba(11,109,181,.10);

    --success:     #059669;
    --success-dim: rgba(5,150,105,.10);
    --warning:     #d97706;
    --warning-dim: rgba(217,119,6,.10);
    --danger:      #dc2626;
    --danger-dim:  rgba(220,38,38,.08);

    --accent-purple:     #6d28d9;
    --accent-purple-dim: rgba(109,40,217,.10);

    /* Sin glow en Blueprint — "lo que brilla, se traza" */
    --glow-accent: none;
    --glow-text:   none;
    --glow-focus:  0 0 0 3px rgba(11,109,181,.18);
}

/* ── Soporte prefers-color-scheme (sin forzar data-theme) ──────── */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg:         #eef3f9;
        --bg-surface: #e4ecf5;
        --bg-card:    #ffffff;
        --bg-input:   #f7f9fc;
        --bg-hover:   #dde7f4;
        --bg-navbar:  #dde7f2;
        --border:        rgba(11,109,181,.32);
        --border-subtle: rgba(11,109,181,.14);
        --text:   #13202d;
        --text-2: #5a6b78;
        --text-3: #8a9fae;
        --accent:     #0b6db5;
        --accent-dim: rgba(11,109,181,.10);
        --success:     #059669;
        --success-dim: rgba(5,150,105,.10);
        --warning:     #d97706;
        --warning-dim: rgba(217,119,6,.10);
        --danger:      #dc2626;
        --danger-dim:  rgba(220,38,38,.08);
        --accent-purple:     #6d28d9;
        --accent-purple-dim: rgba(109,40,217,.10);
        --glow-accent: none;
        --glow-text:   none;
        --glow-focus:  0 0 0 3px rgba(11,109,181,.18);
    }
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent); filter: brightness(1.25); }

/* ── Sidebar ──────────────────────────────────────────────────── */
.sidebar {
    position: fixed; top: 0; left: 0;
    height: 100vh; width: var(--sb-w);
    display: flex; flex-direction: column;
    background: var(--bg-navbar);
    border-right: 1px solid var(--border);
    z-index: 200;
    transition: width var(--trans), transform .2s ease;
}
html.sb-collapsed .sidebar { width: var(--sb-w-min); }

.sb-head {
    display: flex; align-items: center; justify-content: space-between; gap: .5rem;
    height: 48px; padding: 0 .7rem;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.sb-brand {
    display: flex; align-items: center; gap: .55rem;
    font-weight: 700; letter-spacing: .04em;
    color: var(--text); white-space: nowrap; overflow: hidden; font-size: .82rem;
    text-decoration: none;
}
.sb-brand:hover { color: var(--accent); filter: none; }
.sb-logo {
    width: 28px; height: 28px; border-radius: 6px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent); color: var(--bg-navbar);
    font-weight: 800; font-size: .58rem; letter-spacing: .02em;
}
.sb-collapse {
    background: none; border: 1px solid var(--border); border-radius: 6px;
    color: var(--text-2); cursor: pointer; width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem; line-height: 1; flex-shrink: 0;
    transition: color var(--trans), border-color var(--trans);
}
.sb-collapse:hover { color: var(--accent); border-color: var(--accent); }
html.sb-collapsed .sb-collapse { transform: rotate(180deg); }

.sb-nav {
    flex: 1; overflow-y: auto; overflow-x: hidden;
    display: flex; flex-direction: column; gap: .12rem;
    padding: .6rem .5rem;
}
.sb-link {
    display: flex; align-items: center; gap: .7rem;
    padding: .5rem .6rem; border-radius: var(--radius-sm);
    color: var(--text-2); white-space: nowrap; overflow: hidden;
    font-size: .86rem; text-decoration: none;
    transition: background var(--trans), color var(--trans);
}
.sb-link:hover { background: var(--bg-hover); color: var(--text); filter: none; }
.sb-link.is-active {
    background: var(--accent-dim); color: var(--accent); font-weight: 600;
    box-shadow: inset 3px 0 0 var(--accent);
}
.sb-ico { width: 1.4rem; flex-shrink: 0; text-align: center; font-size: 1rem; }
.sb-group-label {
    font-size: .6rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    color: var(--text-3); padding: .55rem .65rem .2rem;
    white-space: nowrap; overflow: hidden; line-height: 1;
}
.sb-separator {
    height: 1px; background: var(--border-subtle); margin: .35rem .5rem .2rem;
    flex-shrink: 0;
}
html.sb-collapsed .sb-group-label { display: none; }
html.sb-collapsed .sb-separator   { margin: .35rem .3rem .2rem; }

.sb-foot {
    border-top: 1px solid var(--border); padding: .55rem .5rem;
    display: flex; flex-direction: column; gap: .35rem; flex-shrink: 0;
}
.sb-user {
    color: var(--text-2); font-size: .82rem;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    padding: .2rem .6rem;
}

/* Colapsado: ocultar textos, centrar iconos */
html.sb-collapsed .sb-txt,
html.sb-collapsed .sb-brand-txt { display: none; }
html.sb-collapsed .sb-link      { justify-content: center; gap: 0; padding: .5rem 0; }
html.sb-collapsed .sb-ico       { width: auto; }
html.sb-collapsed .sb-head      { justify-content: center; padding: 0 .4rem; }
html.sb-collapsed .sb-user      { display: none; }

/* ── Topbar (alineada con el contenido) ───────────────────────── */
.topbar {
    display: flex; align-items: center; gap: .5rem;
    height: 48px; padding: 0 1rem;
    background: var(--bg-navbar); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 150;
    margin-left: var(--sb-w);
    transition: margin-left var(--trans);
}
html.sb-collapsed .topbar { margin-left: var(--sb-w-min); }
.topbar-spacer { flex: 1; }
.topbar-title  {
    font-size: .82rem; color: var(--text-2);
    letter-spacing: .03em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-user {
    font-size: .8rem; color: var(--text-2); white-space: nowrap; display: none;
}
.btn-topbar-icon {
    background: none; border: none; cursor: pointer;
    font-size: 1.1rem; padding: .25rem .35rem; border-radius: var(--radius-sm);
    color: var(--text-2); transition: background var(--trans), color var(--trans);
    line-height: 1; display: flex; align-items: center;
}
.btn-topbar-icon:hover { background: var(--bg-hover); color: var(--text); }

/* ── Burger + overlay: solo en móvil ─────────────────────────── */
.sb-burger  { display: none; }
.sb-overlay { display: none; }

/* ── Contenido desplazado por el sidebar ─────────────────────── */
.sidebar ~ main,
.sidebar ~ .admin-subnav {
    margin-left: var(--sb-w);
    transition: margin-left var(--trans);
}
html.sb-collapsed .sidebar ~ main,
html.sb-collapsed .sidebar ~ .admin-subnav { margin-left: var(--sb-w-min); }

/* ── Móvil: sidebar como cajón ───────────────────────────────── */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sb-w) !important;
        box-shadow: 0 0 30px rgba(0,0,0,.5);
    }
    .sidebar.open { transform: none; }

    html.sb-collapsed .sb-txt,
    html.sb-collapsed .sb-brand-txt { display: inline; }
    html.sb-collapsed .sb-link      { justify-content: flex-start; gap: .7rem; padding: .5rem .6rem; }
    html.sb-collapsed .sb-ico       { width: 1.4rem; }
    html.sb-collapsed .sb-user      { display: block; }
    .sb-collapse { display: none; }

    .sidebar ~ main,
    .sidebar ~ .admin-subnav,
    html.sb-collapsed .sidebar ~ main,
    html.sb-collapsed .sidebar ~ .admin-subnav { margin-left: 0; }
    .topbar,
    html.sb-collapsed .topbar { margin-left: 0; padding: 0 .8rem; }

    .topbar-user { display: inline; }

    .sb-burger {
        display: inline-flex; align-items: center; justify-content: center;
        background: none; border: 1px solid var(--border); border-radius: 6px;
        color: var(--text); font-size: 1.05rem; line-height: 1; cursor: pointer;
        width: 34px; height: 30px; flex-shrink: 0;
        transition: all var(--trans);
    }
    .sb-burger:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent); }
    .sb-overlay.open {
        display: block; position: fixed; inset: 0;
        background: rgba(0,0,0,.5); z-index: 190;
    }
}

/* ── Container ────────────────────────────────────────────────── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 1.5rem 2rem; }
@media (max-width:600px) { .container { padding: 1rem .75rem; } }
main { min-height: calc(100vh - 48px); }

h1.page-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.25rem; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .375rem;
    padding: .5rem 1rem; border: 1px solid transparent; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: .8125rem; font-weight: 600; cursor: pointer;
    transition: all var(--trans); white-space: nowrap; line-height: 1.4;
    clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 5px 100%, 0 calc(100% - 5px));
}
.btn-primary {
    background: var(--accent); color: var(--bg-navbar); border-color: var(--accent);
    box-shadow: var(--glow-accent);
}
.btn-primary:hover {
    filter: brightness(1.15);
    color: var(--bg-navbar);
}
.btn-ghost { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-dim); }
.btn-sm { padding: .3125rem .75rem; font-size: .75rem; }
.btn:disabled, .btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ── Section cards ────────────────────────────────────────────── */
.section-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    transition: border-color var(--trans), box-shadow var(--trans);
}
.section-card:hover {
    border-color: var(--accent);
    box-shadow: var(--glow-accent);
}
.section-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: .75rem 1.125rem; border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}
.section-header-title {
    font-size: .6875rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: var(--tracking-hdr); color: var(--text-2);
}
.section-body { padding: 1rem 1.125rem; }

/* ── Forms ────────────────────────────────────────────────────── */
.form-input, .form-select, textarea.form-input {
    width: 100%; padding: .625rem .875rem; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text);
    font-family: var(--font); font-size: .875rem; transition: border-color var(--trans), box-shadow var(--trans); outline: none;
}
.form-input:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: var(--glow-focus);
}
.form-input::placeholder { color: var(--text-3); }
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235d7a8a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem;
}
[data-theme="light"] .form-select,
:root:not([data-theme="dark"]) .form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235a6b78' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
}
.form-group { margin-bottom: 1.125rem; }
.form-label {
    display: block; font-size: .6875rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: var(--tracking-hdr); color: var(--text-2); margin-bottom: .375rem;
}
textarea.form-input { resize: vertical; min-height: 2.75rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; align-items: end; }

/* ── Badges ───────────────────────────────────────────────────── */
.badge {
    display: inline-flex; align-items: center; padding: .1875rem .625rem;
    border-radius: 9999px; font-size: .6875rem; font-weight: 700;
    letter-spacing: .04em; white-space: nowrap; line-height: 1.4;
}
.badge-baja      { background: var(--success-dim); color: var(--success); }
.badge-media     { background: var(--warning-dim); color: var(--warning); }
.badge-alta      { background: var(--danger-dim);  color: var(--danger); }
.badge-abierta   { background: var(--danger-dim);  color: var(--danger); }
.badge-analisis  { background: var(--accent-dim);  color: var(--accent); }
.badge-cerrada              { background: var(--success-dim); color: var(--success); }
.badge-pendiente_verif      { background: var(--warning-dim); color: var(--warning); }
.badge-verificada           { background: var(--success-dim); color: var(--success); }
.badge-descartada           { background: rgba(90,107,120,.15); color: var(--text-2); }
.badge-ok  { background: var(--success-dim); color: var(--success); }
.badge-off { background: rgba(90,107,120,.15); color: var(--text-3); }

/* ── Tables ───────────────────────────────────────────────────── */
.tabla { width: 100%; border-collapse: collapse; font-size: .875rem; }
.tabla thead th {
    text-align: left; padding: .625rem .875rem; border-bottom: 1px solid var(--border);
    font-size: .6875rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: var(--tracking-hdr); color: var(--text-2);
    background: var(--bg-surface); white-space: nowrap;
}
.tabla tbody td { padding: .625rem .875rem; border-bottom: 1px solid var(--border-subtle); vertical-align: middle; }
.tabla tbody tr:hover { background: var(--bg-hover); }
.tabla tr.inactive { opacity: .45; }
.tabla code { font-size: .8125rem; color: var(--accent); font-family: var(--font-mono); }
.tabla-wrap { overflow-x: auto; }
.row-actions { display: flex; gap: .375rem; flex-wrap: wrap; }

/* ── KPI cards ────────────────────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 1.125rem;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.kpi-label {
    font-size: .6875rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: var(--tracking-hdr); color: var(--text-2); margin-bottom: .5rem;
}
.kpi-value { font-size: 2rem; font-weight: 700; line-height: 1; font-family: var(--font-mono); text-shadow: var(--glow-text); }
.kpi-value.danger  { color: var(--danger); }
.kpi-value.warning { color: var(--warning); }
.kpi-value.success { color: var(--success); }

/* ── Progress bar ─────────────────────────────────────────────── */
.progress { height: 6px; background: var(--bg-input); border-radius: 9999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); transition: width var(--trans); box-shadow: var(--glow-accent); }

/* ── Flash messages ───────────────────────────────────────────── */
.flash { padding: .75rem 1rem; border-radius: var(--radius-sm); font-size: .875rem; margin-bottom: 1rem; }
.flash-ok  { background: var(--success-dim); border: 1px solid rgba(16,185,129,.25);  color: var(--success); }
.flash-err { background: var(--danger-dim);  border: 1px solid rgba(239,68,68,.25);   color: var(--danger); }

/* ── Misc ─────────────────────────────────────────────────────── */
.muted { color: var(--text-2); }
.text-empty { text-align: center; color: var(--text-3); padding: 1.5rem; }
.task-item { display: flex; align-items: center; gap: .625rem; padding: .5rem 0; border-bottom: 1px solid var(--border-subtle); }
.task-item.done .task-title { text-decoration: line-through; color: var(--text-3); }
.task-title { flex: 1; }

/* ── Theme toggle ─────────────────────────────────────────────── */
.theme-toggle {
    background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm);
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-2); font-size: 1rem; line-height: 1;
    transition: all var(--trans); padding: 0; flex-shrink: 0;
}
.theme-toggle:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent); }

/* ── Scrollbar ────────────────────────────────────────────────── */
::selection { background: var(--accent); color: var(--bg-navbar); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

@media (max-width: 640px) {
    .container { padding: 1rem .875rem; }
}

/* ── Modales ──────────────────────────────────────────────────── */
.modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.7); z-index: 1000;
    align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 1.5rem;
    width: min(540px, 95vw); max-height: 88vh;
    display: flex; flex-direction: column; gap: 1rem;
    overflow-y: auto;
    box-shadow: var(--glow-accent);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; }
.modal-title  { font-size: 1rem; font-weight: 600; }
.modal-close  {
    background: none; border: none; cursor: pointer;
    font-size: 1.25rem; color: var(--text-2); line-height: 1;
    padding: .125rem .375rem; border-radius: var(--radius-sm);
}
.modal-close:hover { background: var(--bg-hover); color: var(--accent); }
.modal-body   { display: flex; flex-direction: column; gap: .75rem; }
.modal-footer { display: flex; gap: .5rem; justify-content: flex-end; }

/* ── Section color accent (topbar border + active sidebar link) ── */
body.section-acciones .topbar,
body.section-nc       .topbar,
body.section-tareas   .topbar { border-bottom-width: 3px; }

body.section-acciones .topbar { border-bottom-color: var(--accent); }
body.section-nc       .topbar { border-bottom-color: var(--warning); }
body.section-tareas   .topbar { border-bottom-color: var(--success); }

body.section-nc .sb-link.is-active {
    color: var(--warning); background: var(--warning-dim);
    box-shadow: inset 3px 0 0 var(--warning);
}
body.section-tareas .sb-link.is-active {
    color: var(--success); background: var(--success-dim);
    box-shadow: inset 3px 0 0 var(--success);
}

/* ── Locked field (read-only display) ─────────────────────────── */
.field-locked {
    display: flex; align-items: center; gap: .5rem;
    padding: .5rem .75rem; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: .875rem; color: var(--text-2);
}

/* ── Tabla rows clicables ─────────────────────────────────────── */
.tabla-row-link { cursor: pointer; }
.tabla-row-link:hover { background: var(--bg-hover); }

/* ── Panel de anotaciones (drawer) ───────────────────────────── */
.notas-drawer {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 360px; max-width: 95vw;
    background: var(--bg-card); border-left: 1px solid var(--border);
    box-shadow: -4px 0 24px rgba(0,0,0,.35);
    z-index: 500; display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform .25s cubic-bezier(.4,0,.2,1);
}
.notas-drawer.open { transform: translateX(0); }
.notas-drawer-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: .75rem 1rem; border-bottom: 1px solid var(--border);
    font-weight: 700; font-size: .9rem; flex-shrink: 0;
}
.notas-drawer-body {
    flex: 1; overflow-y: auto; padding: 1rem;
    display: flex; flex-direction: column; gap: .5rem;
}
.notas-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.4);
    z-index: 499; opacity: 0; pointer-events: none;
    transition: opacity .25s;
}
.notas-overlay.open { opacity: 1; pointer-events: auto; }
.nota-mini {
    padding: .65rem .75rem; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: var(--bg-surface);
    display: flex; flex-direction: column; gap: .35rem;
}
.nota-mini--yellow { border-color: var(--warning); background: var(--warning-dim); }
.nota-mini--green  { border-color: var(--success); background: var(--success-dim); }
.nota-mini--red    { border-color: var(--danger);  background: var(--danger-dim);  }
.nota-mini--purple { border-color: var(--accent-purple); background: var(--accent-purple-dim); }
.nota-mini-body { font-size: .84rem; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.nota-mini-foot { display: flex; align-items: center; justify-content: space-between; }

/* ── Drag & Drop Zone ─────────────────────────────────────────── */
.dropzone {
    position: relative;
    display: flex; align-items: center; gap: .75rem;
    width: 100%;
    padding: .875rem 1rem;
    background: var(--bg-input);
    border: 1.5px dashed var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--trans), background var(--trans), box-shadow var(--trans);
    min-height: 3rem;
    user-select: none;
}
.dropzone:hover,
.dropzone--over {
    border-color: var(--accent);
    background: var(--accent-dim);
    box-shadow: var(--glow-focus);
}
.dropzone--has-file {
    border-style: solid;
    border-color: var(--accent);
    background: var(--accent-dim);
}
.dropzone__icon {
    font-size: 1.35rem; flex-shrink: 0; line-height: 1;
    transition: transform var(--trans);
}
.dropzone--over .dropzone__icon { transform: scale(1.2); }
.dropzone__body { flex: 1; min-width: 0; }
.dropzone__prompt {
    font-size: .8125rem; color: var(--text-2); line-height: 1.35;
}
.dropzone__filename {
    font-size: .875rem; font-weight: 600; color: var(--text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dropzone__meta {
    font-size: .73rem; color: var(--text-2); margin-top: .15rem;
}
.dropzone__clear {
    flex-shrink: 0; background: none; border: none; cursor: pointer;
    color: var(--text-2); font-size: 1rem; padding: .25rem .35rem;
    border-radius: 4px; transition: color var(--trans), background var(--trans);
    line-height: 1;
}
.dropzone__clear:hover { color: var(--danger); background: var(--danger-dim); }
/* native input hidden inside dropzone */
.dropzone input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer;
    width: 100%; height: 100%; z-index: 2;
}

/* ================================================================
   REGISTROS module
   ================================================================ */

.reg-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.25rem;
    align-items: start;
}
@media (max-width: 860px) {
    .reg-layout { grid-template-columns: 1fr; }
    .reg-sidebar { display: none; }
}

.reg-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: sticky;
    top: calc(48px + 1rem);
    max-height: calc(100vh - 48px - 2rem);
    display: flex;
    flex-direction: column;
}
.reg-sidebar-head {
    padding: .625rem 1rem;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    font-size: .6875rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .1em;
    color: var(--text-2); flex-shrink: 0;
}
.reg-sidebar-body { overflow-y: auto; flex: 1; padding: .5rem 0; }

.reg-tree-link {
    display: flex; align-items: center; gap: .5rem;
    padding: .375rem .75rem .375rem calc(.75rem + var(--reg-depth, 0) * 14px);
    font-size: .8125rem; color: var(--text-2);
    text-decoration: none;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: background var(--trans), color var(--trans);
}
.reg-tree-link:hover { background: var(--bg-hover); color: var(--text); filter: none; }
.reg-tree-link.is-active {
    background: var(--accent-dim); color: var(--accent);
    font-weight: 600; box-shadow: inset 3px 0 0 var(--accent);
}
.reg-tree-ico { font-size: .95rem; flex-shrink: 0; }

.reg-breadcrumb {
    display: flex; align-items: center; gap: .35rem;
    flex-wrap: wrap; font-size: .8125rem; color: var(--text-2);
    margin-bottom: .75rem;
}
.reg-breadcrumb a { color: var(--accent); text-decoration: none; }
.reg-breadcrumb a:hover { filter: brightness(1.25); }
.reg-breadcrumb-sep { color: var(--text-3); }

.reg-folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: .6rem;
    margin-bottom: 1rem;
}
.reg-folder-card {
    display: flex; flex-direction: column; align-items: center; gap: .3rem;
    padding: .875rem .75rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); text-decoration: none; color: var(--text);
    text-align: center; font-size: .8rem;
    transition: border-color var(--trans), box-shadow var(--trans);
    clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}
.reg-folder-card:hover {
    border-color: var(--accent);
    box-shadow: var(--glow-accent);
    color: var(--text);
}
.reg-folder-card-ico { font-size: 1.6rem; }

.reg-doc-row {
    display: flex; align-items: center; gap: .75rem;
    padding: .625rem 1rem;
    border-bottom: 1px solid var(--border);
}
.reg-doc-row:last-child { border-bottom: none; }
.reg-doc-row:hover { background: var(--bg-hover); }
.reg-doc-ico  { font-size: 1.25rem; flex-shrink: 0; }
.reg-doc-name {
    font-size: .875rem; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.reg-doc-meta { font-size: .72rem; color: var(--text-2); margin-top: .1rem; }
.reg-doc-actions { display: flex; gap: .35rem; flex-shrink: 0; }

.badge-reg-vencido   { background: var(--danger-dim);          color: var(--danger);  }
.badge-reg-proximo   { background: rgba(220,150,40,.15);        color: #e09320;        }
.badge-reg-vigente   { background: var(--success-dim);          color: var(--success); }
.badge-reg-sin_fecha { background: rgba(90,107,120,.15);        color: var(--text-3);  }

/* ── Botón volver (breadcrumb) ───────────────────────────────── */
.breadcrumb-back {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .35rem .85rem; font-size: .8rem; font-weight: 600;
    color: var(--text-2); text-decoration: none;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--trans), color var(--trans), background var(--trans);
    white-space: nowrap;
}
.breadcrumb-back:hover {
    border-color: var(--accent); color: var(--accent);
    background: var(--bg-hover); text-decoration: none;
}