:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #1d2a26;
  --muted: #5f6b66;
  --line: #e2ded4;
  --accent: #2f6f5e;
  --accent-ink: #ffffff;
  --accent-soft: #e3efea;
  --danger: #b3261e;
  --urgent-bg: #fdecea;
  --urgent-line: #f2b8b5;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141917;
    --surface: #1e2522;
    --ink: #ecefed;
    --muted: #a3ada8;
    --line: #313a36;
    --accent: #6fbfa6;
    --accent-ink: #0d1a16;
    --accent-soft: #24332e;
    --danger: #ff8a80;
    --urgent-bg: #3a1f1d;
    --urgent-line: #7a3a35;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
.loading { padding: 48px 16px; text-align: center; color: var(--muted); }

/* --- Botones y campos --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 0 16px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); cursor: pointer; font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: 14px; }
.btn[disabled] { opacity: .55; cursor: default; }
label.field { display: grid; gap: 4px; font-size: 14px; font-weight: 600; }
label.field small { font-weight: 400; color: var(--muted); }
input[type=text], input[type=password], input[type=url], select, textarea {
  width: 100%; min-height: 44px; padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface);
}
textarea { min-height: 96px; resize: vertical; }
.error { color: var(--danger); font-size: 14px; min-height: 20px; }

/* --- Acceso --- */
.auth { min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.auth form {
  width: 100%; max-width: 380px; display: grid; gap: 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.auth img { width: 64px; height: 64px; border-radius: 16px; }
.auth h1 { font-size: 24px; }
.auth p { color: var(--muted); font-size: 14px; }

/* --- Estructura --- */
header.top {
  position: sticky; top: 0; z-index: 5; background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.top-row { display: flex; align-items: center; gap: 12px; max-width: 1040px; margin: 0 auto; padding: 10px 16px; }
.brand { font-weight: 700; font-size: 18px; margin-right: auto; display: flex; align-items: center; gap: 8px; }
.brand img { width: 28px; height: 28px; border-radius: 8px; }
.who { font-size: 14px; color: var(--muted); }
nav.tabs { display: flex; gap: 4px; max-width: 1040px; margin: 0 auto; padding: 0 12px; }
nav.tabs button {
  position: relative; border: 0; background: none; cursor: pointer;
  padding: 10px 14px; font-weight: 600; color: var(--muted); border-bottom: 3px solid transparent;
}
nav.tabs button[aria-current=page] { color: var(--ink); border-bottom-color: var(--accent); }
nav.tabs .count {
  display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 6px; border-radius: 10px;
  background: var(--danger); color: #fff; font-size: 12px; line-height: 20px; text-align: center;
}
@media (prefers-color-scheme: dark) { nav.tabs .count { color: #1a0a09; } }
main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 48px; display: grid; gap: 20px; }
@media (max-width: 700px) {
  nav.tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; padding: 0 4px env(safe-area-inset-bottom);
    background: var(--surface); border-top: 1px solid var(--line); justify-content: space-around;
  }
  nav.tabs button { flex: 1; padding: 14px 4px; font-size: 14px; border-bottom: 0; border-top: 3px solid transparent; }
  nav.tabs button[aria-current=page] { border-top-color: var(--accent); }
  main { padding-bottom: 96px; }
  .who { display: none; }
}
.section-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.section-head h2 { font-size: 20px; margin-right: auto; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.empty { color: var(--muted); padding: 24px 16px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }
.muted { color: var(--muted); font-size: 14px; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--accent-soft); color: var(--ink); }
code { font-size: 12px; background: var(--accent-soft); padding: 2px 6px; border-radius: 6px; word-break: break-all; }

/* --- Avisos urgentes --- */
.urgent-banner {
  background: var(--urgent-bg); border: 2px solid var(--urgent-line); border-radius: var(--radius);
  padding: 14px 16px; display: grid; gap: 8px;
}
.urgent-banner strong { color: var(--danger); }
.urgent-banner p { white-space: pre-wrap; overflow-wrap: anywhere; }

/* --- Apps --- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.tile {
  display: grid; gap: 6px; justify-items: start; align-content: start; min-height: 132px;
  padding: 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
  color: inherit; text-decoration: none;
}
a.tile:hover { border-color: var(--accent); }
.tile .icon { font-size: 34px; line-height: 1; }
.tile .name { font-weight: 700; overflow-wrap: anywhere; }
.tile .desc { font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }

/* --- Permisos --- */
.app-card { display: grid; gap: 12px; }
.app-card-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.app-card-head .icon { font-size: 30px; }
.app-card-head .title { margin-right: auto; min-width: 0; }
.app-card-head .title b { display: block; overflow-wrap: anywhere; }
.perm-row { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.perm-row .pname { margin-right: auto; font-weight: 600; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: var(--surface); padding: 8px 12px; min-height: 40px; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--muted); }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed=true] { background: var(--accent); color: var(--accent-ink); }

/* --- Miembros --- */
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row + .row { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.avatar {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: var(--accent-soft); font-weight: 700;
}
.row .grow { margin-right: auto; min-width: 0; }
.row .grow b { display: block; }

/* --- Mensajes --- */
.compose { display: grid; gap: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); border-radius: 999px;
  min-height: 40px; padding: 0 14px; cursor: pointer; font-weight: 600; color: var(--muted);
}
.chip[aria-pressed=true] { background: var(--accent-soft); border-color: var(--accent); color: var(--ink); }
.compose-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.check { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; min-height: 44px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--danger); }
.compose-foot .btn { margin-left: auto; }
.msg { display: grid; gap: 6px; }
.msg + .msg { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.msg-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.msg-meta b { color: var(--ink); font-size: 15px; }
.msg p { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.unread p { font-weight: 600; }
.tag.urgent { background: var(--urgent-bg); color: var(--danger); border: 1px solid var(--urgent-line); }
.receipts { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; }
.receipts span { padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.receipts span.read { border-color: var(--accent); color: var(--ink); }
.two { display: grid; gap: 20px; }
@media (min-width: 860px) { .two { grid-template-columns: 1fr 1fr; align-items: start; } }

/* --- Diálogos y avisos --- */
dialog {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink);
  width: min(440px, calc(100vw - 32px)); padding: 20px;
}
dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog form { display: grid; gap: 14px; }
dialog h3 { font-size: 18px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }
#toasts { position: fixed; left: 0; right: 0; bottom: 84px; z-index: 20; display: grid; justify-items: center; gap: 8px; padding: 0 16px; pointer-events: none; }
.toast { background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; max-width: 480px; }
.toast.bad { background: var(--danger); color: #fff; }