/* ── Reset & tokens ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:        #f5f4f0;
  --c-surface:   #ffffff;
  --c-border:    #d8d5cc;
  --c-text:      #1a1a18;
  --c-muted:     #6b6860;
  --c-accent:    #1d5c8f;
  --c-accent-lt: #e8f0f8;
  --c-warn:      #8f3d1d;
  --c-warn-lt:   #f8ece8;
  --c-ok:        #1d6b3d;
  --c-ok-lt:     #e8f4ed;

  --r: 6px;
  --gap: 1.5rem;
  --max-w: 860px;

  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
}

/* ── Layout ──────────────────────────────────────────────── */
body { min-height: 100vh; display: flex; flex-direction: column; }

header {
  background: var(--c-text);
  color: #fff;
  padding: .75rem var(--gap);
  display: flex;
  align-items: center;
  gap: 1rem;
}
header h1 { font-size: 1rem; font-weight: normal; letter-spacing: .03em; }
header .badge {
  margin-left: auto;
  font-size: .75rem;
  background: rgba(255,255,255,.15);
  padding: .2rem .6rem;
  border-radius: 99px;
}

main {
  flex: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: 2rem auto;
  padding: 0 var(--gap);
}

footer {
  text-align: center;
  font-size: .75rem;
  color: var(--c-muted);
  padding: 1.5rem var(--gap);
  border-top: 1px solid var(--c-border);
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: var(--gap);
  margin-bottom: var(--gap);
}
.card h2 { font-size: 1.15rem; margin-bottom: .75rem; }
.card h3 { font-size: 1rem; margin-bottom: .5rem; color: var(--c-muted); }

/* ── Caso ────────────────────────────────────────────────── */
.caso-section { margin-bottom: 1.25rem; }
.caso-section h3 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--c-muted);
  margin-bottom: .4rem;
}

.actor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .75rem;
}
.actor-card {
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: .75rem;
  font-size: .88rem;
}
.actor-card .nombre { font-weight: bold; margin-bottom: .25rem; }
.actor-card .tipo { color: var(--c-muted); font-size: .78rem; margin-bottom: .4rem; }

.dato-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.dato-table th, .dato-table td {
  text-align: left;
  padding: .4rem .5rem;
  border-bottom: 1px solid var(--c-border);
}
.dato-table th { color: var(--c-muted); font-weight: normal; }

.doc-item {
  border-left: 3px solid var(--c-accent);
  padding: .5rem .75rem;
  margin-bottom: .75rem;
  background: var(--c-accent-lt);
  border-radius: 0 var(--r) var(--r) 0;
  font-size: .88rem;
}
.doc-item strong { display: block; margin-bottom: .25rem; }

/* ── Editor ──────────────────────────────────────────────── */
.editor-wrap { position: relative; }
#analysis-area {
  width: 100%;
  min-height: 320px;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: .85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.7;
  resize: vertical;
  background: var(--c-surface);
  color: var(--c-text);
  transition: border-color .2s;
}
#analysis-area:focus {
  outline: none;
  border-color: var(--c-accent);
}

.wf-bar {
  display: flex;
  gap: 1.5rem;
  font-size: .78rem;
  color: var(--c-muted);
  margin-top: .5rem;
  flex-wrap: wrap;
}
.wf-bar span { display: flex; align-items: center; gap: .3rem; }
.wf-bar .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-ok);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Timer ───────────────────────────────────────────────── */
#timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.2rem;
  color: var(--c-accent);
}
#timer.warn { color: var(--c-warn); }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.1rem;
  border-radius: var(--r);
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: .9rem;
  transition: opacity .15s, background .15s;
}
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary   { background: var(--c-accent); color: #fff; }
.btn-secondary { background: var(--c-surface); color: var(--c-text); border: 1px solid var(--c-border); }
.btn-danger    { background: var(--c-warn); color: #fff; }

/* ── Chat (speed dating) ─────────────────────────────────── */
.chat-window {
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  height: 380px;
  overflow-y: auto;
  padding: 1rem;
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  gap: .75rem;
  scroll-behavior: smooth;
}

.bubble {
  max-width: 78%;
  padding: .6rem .9rem;
  border-radius: var(--r);
  font-size: .92rem;
  line-height: 1.55;
}
.bubble.user {
  align-self: flex-end;
  background: var(--c-accent);
  color: #fff;
}
.bubble.assistant {
  align-self: flex-start;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
}
.bubble .who {
  font-size: .72rem;
  margin-bottom: .2rem;
  opacity: .7;
}

.chat-input-row {
  display: flex;
  gap: .5rem;
  margin-top: .75rem;
}
.chat-input-row textarea {
  flex: 1;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: .55rem .75rem;
  font-family: inherit;
  font-size: .92rem;
  resize: none;
  height: 64px;
}
.chat-input-row textarea:focus { outline: none; border-color: var(--c-accent); }

.turn-indicator {
  text-align: center;
  font-size: .78rem;
  color: var(--c-muted);
  margin-top: .3rem;
}

/* ── Alertas ─────────────────────────────────────────────── */
.alert {
  padding: .65rem 1rem;
  border-radius: var(--r);
  font-size: .88rem;
  margin-bottom: var(--gap);
}
.alert-info   { background: var(--c-accent-lt); color: var(--c-accent); border: 1px solid #b8cfe8; }
.alert-warn   { background: var(--c-warn-lt);   color: var(--c-warn);   border: 1px solid #e8c0b0; }
.alert-ok     { background: var(--c-ok-lt);     color: var(--c-ok);     border: 1px solid #a0d4b4; }

/* ── Reportes ────────────────────────────────────────────── */
.report-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.report-table th, .report-table td {
  text-align: left;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--c-border);
}
.report-table th { color: var(--c-muted); font-weight: normal; background: var(--c-bg); }
.report-table tr:hover td { background: var(--c-accent-lt); }

.status-badge {
  display: inline-block;
  font-size: .72rem;
  padding: .15rem .5rem;
  border-radius: 99px;
  font-family: sans-serif;
}
.status-writing     { background: #fff3cd; color: #856404; }
.status-speed_dating { background: var(--c-accent-lt); color: var(--c-accent); }
.status-finished    { background: var(--c-ok-lt); color: var(--c-ok); }

/* ── Login ───────────────────────────────────────────────── */
.login-wrap {
  max-width: 380px;
  margin: 4rem auto;
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: .85rem; color: var(--c-muted); margin-bottom: .3rem; }
.form-group input {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: .55rem .75rem;
  font-family: inherit;
  font-size: .95rem;
}
.form-group input:focus { outline: none; border-color: var(--c-accent); }

/* ── Token grid ──────────────────────────────────────────── */
.token-display {
  font-family: 'Courier New', monospace;
  font-size: 1.3rem;
  letter-spacing: .15em;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: .5rem 1rem;
  display: inline-block;
  margin: .5rem 0;
}

/* ── Utilidades ──────────────────────────────────────────── */
.text-muted { color: var(--c-muted); }
.text-sm    { font-size: .85rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.flex { display: flex; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }