:root {
    --ink: #1b1b1b;
    --line: #e2ddd2;
    --accent: #b23a1e;
    --accent-soft: #f3e0d8;
    --muted: #6d6a63;
    --bg: #f6f3ec;
    --panel: #fffdf8;
    --sidebar-bg: #201d1a;
    --sidebar-fg: #cfc9bf;
    --sidebar-w: 244px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
body:not(.sin-chrome) { display: grid; grid-template-columns: var(--sidebar-w) 1fr; }
a { color: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 20px; margin: 0; font-weight: 700; letter-spacing: .2px; }
h2 { font-size: 22px; margin-bottom: 0; }
h3 { font-size: 17px; }
.eyebrow { display: block; color: var(--accent); font: 700 10px/1.2 Arial, sans-serif; letter-spacing: 2px; margin-bottom: 5px; }
.muted { color: var(--muted); font-size: 13px; }
.small { font-size: 12px; }

/* ---------- Sidebar ---------- */
.sidebar {
    background: var(--sidebar-bg); color: var(--sidebar-fg);
    display: flex; flex-direction: column; min-height: 100vh; position: sticky; top: 0;
}
.sidebar-brand { padding: 22px 22px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand .eyebrow { color: #d98b73; }
.sidebar-brand strong { font-size: 18px; color: #fff; }
.sidebar-nav { display: flex; flex-direction: column; padding: 14px 12px; gap: 2px; flex: 1; overflow-y: auto; }
.nav-group { font: 700 10px/1 Arial, sans-serif; letter-spacing: 1.6px; text-transform: uppercase; color: #7c766c; padding: 16px 12px 8px; }
.sidebar-nav a {
    display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 8px;
    color: var(--sidebar-fg); text-decoration: none; font-size: 14px; font-weight: 500;
}
.sidebar-nav a svg { width: 18px; height: 18px; fill: currentColor; opacity: .8; flex: none; }
.sidebar-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-nav a.active { background: var(--accent); color: #fff; }
.sidebar-nav a.active svg { opacity: 1; }
.sidebar-overlay { display: none; }

/* ---------- Shell ---------- */
.app-shell { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 16px 30px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
#toggle-menu { display: none; }
.topbar-user { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.topbar-user #usuario-actual { font-size: 13px; font-weight: 600; color: var(--muted); }
main { padding: 26px 30px 70px; max-width: 1200px; width: 100%; }
.main-suelto { max-width: 400px; margin: 8vh auto; padding: 0 20px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 24px; margin-bottom: 22px; }
.section-heading { display: flex; justify-content: space-between; align-items: start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.list-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- Botones ---------- */
.button { border: 1px solid var(--ink); background: transparent; padding: 9px 14px; border-radius: 8px; font: 600 13px Arial, sans-serif; cursor: pointer; text-decoration: none; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.button:hover { background: #eef2ea; }
.button.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.button.primary:hover { background: var(--accent); border-color: var(--accent); }
.button:disabled { opacity: .45; cursor: not-allowed; }
.tiny-button { padding: 5px 9px; font-size: 11px; border-radius: 6px; }
.icon-button { border: 0; background: none; font-size: 20px; cursor: pointer; line-height: 1; color: var(--ink); }

/* ---------- Filtros y tablas ---------- */
.filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters input, .filters select { min-width: 190px; flex: 1; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font: inherit; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-size: 10.5px; letter-spacing: .8px; text-transform: uppercase; background: #faf7f0; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #faf8f2; }
.col-check { width: 40px; text-align: center; }
.col-check input { width: 16px; height: 16px; cursor: pointer; }
tr.fila-marcada td { background: #eef4ee; }
.link { border: 0; padding: 0; background: none; color: var(--accent); cursor: pointer; font: 600 14px Arial, sans-serif; text-align: left; }
.phase-count { display: inline-block; min-width: 26px; text-align: center; background: var(--accent-soft); color: var(--accent); border-radius: 12px; padding: 2px 8px; font-weight: 700; font-size: 12px; }

.badge { display: inline-block; background: #f5d8ca; color: #7f321e; padding: 4px 9px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge.ok-badge { background: #d6ebd8; color: #1f5130; }
.badge.error-badge { background: #efc2b5; }
.row-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.notice { padding: 12px 16px; margin-bottom: 18px; border-left: 4px solid #4d795b; background: #e4efe4; border-radius: 6px; font-size: 14px; }
.notice.error { border-color: var(--accent); background: #f8e5dc; }
.empty { color: var(--muted); padding: 34px 10px; text-align: center; }

/* ---------- Formularios / diálogos ---------- */
.fields { display: grid; gap: 12px; }
.fields label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; }
.fields input, .fields select { padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font: inherit; }
.fields details { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }
.fields details summary { cursor: pointer; }
.fields details label { margin-top: 8px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; display: grid; gap: 6px; margin: 0; padding: 12px; }
fieldset legend { font-size: 12px; font-weight: 700; color: var(--muted); }
fieldset label, .fields fieldset label { display: flex; gap: 8px; align-items: center; font-weight: 400; font-size: 13px; }
.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 24px; max-width: 480px; width: 92%; background: var(--panel); }
dialog::backdrop { background: rgba(0,0,0,.45); }

.login-panel { padding: 30px; }
.login-panel h2 { margin: 6px 0 20px; }

/* ---------- Detalle expediente ---------- */
.detalle-top { display: flex; justify-content: space-between; align-items: start; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.back { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 7px 12px; color: var(--accent); cursor: pointer; font-size: 13px; font-weight: 600; text-decoration: none; display: inline-block; margin-bottom: 16px; }
.meta { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0 26px; }
.meta span { display: grid; gap: 2px; font-size: 14px; background: #faf7f0; border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; min-width: 120px; }
.meta b { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.report { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px 22px; margin-bottom: 26px; }
.report div { display: grid; gap: 2px; }
.report b { font-size: 10px; color: var(--muted); text-transform: uppercase; }
.tabla-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 26px; }
.partes-tabla td:nth-child(2) { color: var(--muted); font-size: 12px; }
pre { white-space: pre-wrap; overflow: auto; background: #faf7f0; border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin: 0 0 26px; color: var(--muted); font: 12px/1.5 "SFMono-Regular", Consolas, monospace; }
.timeline article { border-left: 3px solid var(--accent-soft); padding: 4px 0 20px 18px; margin-left: 4px; position: relative; }
.timeline article::before { content: ""; position: absolute; left: -7px; top: 6px; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }
.phase-heading { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.phase-fields { display: grid; gap: 6px; }
.phase-field { display: grid; grid-template-columns: 160px 1fr; gap: 10px; font-size: 13px; }
.phase-field b { color: var(--muted); font-size: 10px; text-transform: uppercase; padding-top: 2px; }
.phase-downloads { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.download-link { font-size: 12px; border: 1px solid var(--line); border-radius: 6px; padding: 5px 10px; text-decoration: none; background: #fff; }

/* ---------- Chips / asignaciones ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: var(--accent-soft); color: #7f321e; border-radius: 16px; padding: 3px 6px 3px 10px; font-size: 12px; font-weight: 600; }
.chip button { border: 0; background: rgba(0,0,0,.12); color: inherit; width: 16px; height: 16px; border-radius: 50%; cursor: pointer; line-height: 1; font-size: 11px; }
.chip button:hover { background: rgba(0,0,0,.28); }
.chip.add { background: #fff; border: 1px dashed var(--line); color: var(--muted); cursor: pointer; padding: 4px 10px; }
.chip.add:hover { border-color: var(--accent); color: var(--accent); }
.popover { position: relative; }
.popover-panel { position: absolute; z-index: 20; top: calc(100% + 6px); right: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px; min-width: 240px; box-shadow: 0 8px 30px rgba(0,0,0,.15); display: grid; gap: 2px; max-height: 260px; overflow-y: auto; }
.popover-panel label { display: flex; gap: 8px; align-items: center; font-size: 13px; padding: 6px 8px; border-radius: 6px; cursor: pointer; }
.popover-panel label:hover { background: #faf7f0; }

.barra-seleccion { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--ink); color: #fff; border-radius: 10px; padding: 10px 16px; margin-bottom: 14px; }
.barra-seleccion select { padding: 7px 10px; border-radius: 7px; border: 0; font: inherit; }
.barra-seleccion .button { border-color: rgba(255,255,255,.4); color: #fff; }
.barra-seleccion .button.primary { background: #fff; color: var(--ink); border-color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    body:not(.sin-chrome) { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed; inset: 0 auto 0 0; width: 260px; transform: translateX(-100%);
        transition: transform .22s ease; z-index: 40;
    }
    body.menu-abierto .sidebar { transform: translateX(0); }
    body.menu-abierto .sidebar-overlay { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 35; }
    #toggle-menu { display: inline-block; }
    main { padding: 20px 16px 60px; }
    .topbar { padding: 14px 16px; }
    .topbar-user #usuario-actual { display: none; }
    .topbar-user { gap: 6px; }
    .phase-field { grid-template-columns: 1fr; gap: 2px; }
}