/* Identidad visual de Abogado AI. Paleta oficial (las demás variables derivan de ella):
   azul marino #111C2E · dorado #D8B46B · blanco hielo #F5F7FA · gris pizarra #334155.
   Regla de contraste: el dorado nunca es texto sobre fondo claro (no llega a AA); se usa como acento
   (marca, indicador activo, barras, bordes) o como texto sobre azul marino. */
:root {
  --navy: #111C2E;
  --gold: #D8B46B;
  --ice: #F5F7FA;
  --slate: #334155;

  --bg: var(--ice);
  --surface: #ffffff;
  --text: var(--navy);
  --muted: var(--slate);
  --border: #d9dee6;
  --brand: var(--navy);
  --brand-ink: var(--ice);
  --accent: var(--gold);
  --accent-ink: var(--navy);
  --link: var(--navy);
  --ok: #1e7a4d;
  --warn: #8a5a00;
  --danger: #b3261e;
  --focus: var(--navy);
  /* Barra lateral y barra superior: azul marino en ambos modos */
  --nav-bg: var(--navy);
  --nav-text: var(--ice);
  --nav-muted: #a9b4c4;
  --nav-border: rgba(245, 247, 250, .14);
  --nav-hover: #18253b;
  --nav-active: #1f2f4a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(17, 28, 46, .06), 0 2px 6px rgba(17, 28, 46, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1322; --surface: var(--navy); --text: var(--ice); --muted: #a9b4c4; --border: #26344b;
    --brand: var(--gold); --brand-ink: var(--navy); --link: var(--gold); --focus: var(--gold);
    --ok: #5cc28f; --warn: #e0a84a; --danger: #f08a82;
    --nav-bg: #0a1120;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Liberation Sans", system-ui, sans-serif;
}
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; font-weight: 600; line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.05rem; }
a { color: var(--link); }
h1, h2 { color: var(--text); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.hidden { display: none !important; }

/* Pantallas de acceso */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px;
  background: radial-gradient(1200px 600px at 50% -10%, #1c2b45 0%, var(--navy) 60%); }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--accent);
  border-radius: var(--radius); box-shadow: 0 12px 32px rgba(0, 0, 0, .25); padding: 28px 24px; }
.brand { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.2rem; }
.brand-mark { width: 36px; height: 36px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-family: Georgia, serif; font-weight: 700; }
.brand-name { font-family: Georgia, serif; font-size: 1.25rem; font-weight: 600; }

/* Formularios */
label { display: block; font-weight: 600; font-size: .9rem; margin: .9rem 0 .3rem; }
input, select, textarea {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); font: inherit;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1rem; border-radius: 8px; border: 1px solid transparent; cursor: pointer;
  font: inherit; font-weight: 600; background: var(--brand); color: var(--brand-ink); text-decoration: none;
}
.btn:disabled { opacity: .6; cursor: progress; }
.btn:hover:not(:disabled) { filter: brightness(1.12); }
.btn.secondary { background: transparent; color: var(--link); border-color: var(--border); }
.btn.secondary:hover:not(:disabled) { filter: none; border-color: var(--accent); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--border); }
.btn.block { width: 100%; margin-top: 1.2rem; }
.msg { margin-top: 1rem; padding: .6rem .8rem; border-radius: 8px; font-size: .92rem; }
.msg.error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.msg.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }
.disclaimer { font-size: .8rem; color: var(--muted); margin-top: 1.4rem; }

/* Aplicación */
.app { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { background: var(--nav-bg); color: var(--nav-text); border-right: 1px solid var(--nav-border); padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.sidebar .muted { color: var(--nav-muted); }
.sidebar :focus-visible, .topbar :focus-visible { outline-color: var(--gold); }
.sidebar .btn.secondary, .topbar .btn.secondary { color: var(--nav-text); border-color: var(--nav-border); }
.sidebar .btn.secondary:hover, .topbar .btn.secondary:hover { border-color: var(--gold); }
.sidebar .tag { color: var(--nav-muted); border-color: var(--nav-border); }
.sidebar .brand { padding: 0 6px; }
.nav-btn {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
  text-align: left; padding: .55rem .7rem; border-radius: 8px; border: 0; background: transparent;
  color: var(--nav-text); font: inherit; cursor: pointer; border-left: 3px solid transparent;
}
.nav-btn:hover { background: var(--nav-hover); }
.nav-btn[aria-current="page"] { background: var(--nav-active); border-left-color: var(--gold); font-weight: 600; }
.tag { font-size: .7rem; padding: .1rem .4rem; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.sidebar-foot { margin-top: auto; padding: 12px 6px 0; border-top: 1px solid var(--nav-border); font-size: .875rem; }
.sidebar .brand-name { color: var(--nav-text); }
.main { padding: 24px; min-width: 0; }
.topbar { display: none; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 1rem 0 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.card .kpi { font-size: 1.6rem; font-weight: 700; margin: .2rem 0; }
.bar { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; margin-top: .5rem; }
.bar > span { display: block; height: 100%; background: var(--accent); }
.quick { display: flex; flex-wrap: wrap; gap: 8px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }
.pending { border-style: dashed; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.status { font-size: .78rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px; }
.status.active { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.status.suspended { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.status.pending { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 14px; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }
.toolbar > * { flex: 1 1 180px; }
.toolbar .btn { flex: 0 0 auto; }
code { font-size: .85em; }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--nav-bg); color: var(--nav-text); border-bottom: 2px solid var(--gold); position: sticky; top: 0; z-index: 5; }
  .sidebar { display: none; position: fixed; inset: 56px 0 0 0; z-index: 4; overflow-y: auto; }
  .sidebar.open { display: flex; }
  .sidebar > .brand { display: none; }
  .main { padding: 16px; }
}
.m0 { margin: 0; }
.mt { margin-top: 1rem; }
.nav-btn > span:first-child { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.nav-btn .tag { flex-shrink: 0; margin-left: .4rem; }
/* Fase 2: expedientes y documentos */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 0 0 16px; overflow-x: auto; }
.tab { border: 0; background: transparent; padding: .6rem 1rem; font: inherit; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }
.case-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.case-head > div:last-child { min-width: 180px; }
.link { background: none; border: 0; padding: 0; color: var(--link); font: inherit; cursor: pointer; text-align: left; text-decoration: underline; text-underline-offset: 2px; }
.crumbs { flex: 1 1 auto; }
.md-preview { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px; max-height: 60vh; overflow: auto; font: .9rem/1.55 ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace; }
.mono { font-family: ui-monospace, Menlo, Consolas, "Liberation Mono", monospace; }
details > summary { cursor: pointer; }
details[open] > summary { margin-bottom: .6rem; }
.status.abierto, .status.ext-lista { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.status.en_espera, .status.ext-pendiente, .status.ext-procesando, .status.ext-sin_texto { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.status.cerrado, .status.archivado { color: var(--muted); background: color-mix(in srgb, var(--muted) 14%, transparent); }
.status.ext-error { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
input[type="file"] { padding: .45rem; }
.card-link { color: inherit; text-decoration: none; }
.card-link:hover { border-color: var(--accent); }
/* Fase 3: consultas y biblioteca */
.conv-list { display: grid; gap: 8px; }
.conv-item { display: block; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; color: inherit; text-decoration: none; }
.conv-item:hover { border-color: var(--accent); }
.thread { display: grid; gap: 12px; }
.msg-bubble { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); max-width: 900px; }
.msg-bubble.user { background: color-mix(in srgb, var(--navy) 6%, var(--surface)); border-color: color-mix(in srgb, var(--gold) 45%, var(--border)); justify-self: end; }
.msg-bubble.assistant { background: var(--surface); }
.msg-bubble.error { border-color: var(--danger); }
.msg-bubble.pending { color: var(--muted); font-style: italic; }
.msg-text { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 4px; }
.citas { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--border); font-size: .9rem; }
.citas ul { margin: .3rem 0 0; padding-left: 1.1rem; }
.tag.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.tag.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.result { padding: 10px 0; border-bottom: 1px solid var(--border); }
.result p { margin: .3rem 0 0; }
textarea { resize: vertical; }
/* Fase 4: análisis */
.status.ana-listo { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.status.ana-en_cola, .status.ana-en_proceso { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.status.ana-error { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.status.ana-cancelado { color: var(--muted); background: color-mix(in srgb, var(--muted) 14%, transparent); }
.msg-text.md-preview { font-family: inherit; }
/* Fase 6: cobros */
.precios { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: .6rem; }
.plan .kpi { font-size: 1.3rem; }
.countdown { font-variant-numeric: tabular-nums; }
img.comprobante { max-width: 100%; max-height: 70vh; border: 1px solid var(--border); border-radius: 8px; }
input[type="checkbox"] { width: auto; }
/* Fase 7 */
.codigos { font-size: 1.05rem; letter-spacing: .05em; }
.alerta { padding: 10px 12px; border-radius: 8px; border-left: 4px solid var(--border); background: var(--surface); margin-bottom: 8px; }
.alerta.alta { border-left-color: var(--danger); }
.alerta.media { border-left-color: var(--warn); }
.alerta.baja { border-left-color: var(--muted); }