:root {
  --primary: #1e4f8f;
  --primary-ink: #ffffff;
  --accent: #e8743b;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #eef1f7;
  --border: #dde2ec;
  --text: #14161a;
  --text-2: #4d5563;
  --muted: #7a8291;
  --good: #1f8a3b;
  --warn: #b7791f;
  --bad: #c43d3d;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #5b8fd6;
    --primary-ink: #0b1320;
    --bg: #111317;
    --surface: #1a1d23;
    --surface-2: #232730;
    --border: #2f3440;
    --text: #f2f4f7;
    --text-2: #c2c8d3;
    --muted: #8b93a3;
    --good: #4cc36c;
    --warn: #e0a83c;
    --bad: #ef6b6b;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
a { color: var(--primary); }

/* ------------------------------------------------ estructura */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--primary); color: var(--primary-ink);
}
.topbar .brand { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.topbar .brand small { font-weight: 400; opacity: 0.75; font-size: 12px; margin-left: 6px; }
.topbar button { background: transparent; border: 0; color: inherit; font-size: 14px; cursor: pointer; opacity: 0.9; }

main { max-width: 760px; margin: 0 auto; padding: 16px 16px calc(96px + env(safe-area-inset-bottom)); }
h1 { font-size: 22px; margin: 4px 0 14px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0 0 6px; }
.sub { color: var(--muted); font-size: 14px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); margin-bottom: 12px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .grid2 { grid-template-columns: 1fr; } }

.kpi .lbl { color: var(--text-2); font-size: 13px; }
.kpi .val { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }
.dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; flex: none; background: var(--muted); }
.dot.good { background: var(--good); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); }

.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; background: var(--surface-2); color: var(--text-2); }
.pill.good { color: var(--good); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); }

/* ------------------------------------------------ formularios */
label { display: block; font-size: 14px; color: var(--text-2); margin: 12px 0 6px; }
input[type="email"], input[type="password"], input[type="text"], select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--text);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  background: var(--primary); color: var(--primary-ink); font-weight: 600;
}
.btn.block { width: 100%; }
.btn.ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn:disabled { opacity: 0.6; cursor: default; }
.error { color: var(--bad); font-size: 14px; margin-top: 10px; min-height: 1em; }

.login { max-width: 380px; margin: 12vh auto 0; padding: 0 16px; }
.login .logo { font-size: 30px; font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }

/* ------------------------------------------------ barra inferior */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabbar a {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  text-decoration: none; color: var(--muted); font-size: 11px; padding: 4px 0;
}
.tabbar a .ico { font-size: 20px; line-height: 1; }
.tabbar a.active { color: var(--primary); font-weight: 600; }
.tabbar a.upload .ico {
  background: var(--accent); color: #fff; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; margin-top: -18px; box-shadow: 0 4px 12px rgba(232, 116, 59, 0.35);
}

.menu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.menu-grid a { text-decoration: none; color: var(--text); }
.menu-grid .card { margin: 0; }

/* ------------------------------------------------ bandeja */
.doc-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; margin-bottom: 8px; }
.doc-head b { word-break: break-word; }
.doc-total { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.doc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; font-size: 14px; margin: 8px 0; }
.doc-grid .lbl { display: block; font-size: 12px; color: var(--muted); }
@media (max-width: 420px) { .doc-grid { grid-template-columns: 1fr; } }
.avisos { list-style: none; margin: 8px 0 0; padding: 0; font-size: 14px; }
.avisos li { padding: 6px 10px; border-radius: 8px; margin-top: 6px; background: var(--surface-2); border-left: 3px solid var(--muted); }
.avisos li.bad { border-left-color: var(--bad); }
.avisos li.warn { border-left-color: var(--warn); }
.avisos li.info { border-left-color: var(--primary); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.actions .btn { padding: 8px 12px; font-size: 14px; }