/* Norte Memory · interfaz mínima (North Star 20: minimalismo tipo ChatGPT + Notion, sin glassmorphism). */
:root {
  --bg: #ffffff;
  --surface: #f7f7f8;
  --surface-2: #ffffff;
  --border: #e5e5e5;
  --text: #0d0d0d;
  --muted: #6e6e80;
  --accent: #0d0d0d;
  --accent-text: #ffffff;
  --danger: #c4320a;
  --danger-bg: #fef3f2;
  --ok: #067647;
  --ok-bg: #ecfdf3;
  --warn: #b54708;
  --warn-bg: #fffaeb;
  --focus: #2f6feb;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171717;
    --surface: #212121;
    --surface-2: #262626;
    --border: #333333;
    --text: #ececec;
    --muted: #a3a3ad;
    --accent: #ececec;
    --accent-text: #171717;
    --danger: #f97066;
    --danger-bg: #2a1614;
    --ok: #47cd89;
    --ok-bg: #0f2419;
    --warn: #fdb022;
    --warn-bg: #2b2111;
    --focus: #6ea8fe;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #171717;
  --surface: #212121;
  --surface-2: #262626;
  --border: #333333;
  --text: #ececec;
  --muted: #a3a3ad;
  --accent: #ececec;
  --accent-text: #171717;
  --danger: #f97066;
  --danger-bg: #2a1614;
  --ok: #47cd89;
  --ok-bg: #0f2419;
  --warn: #fdb022;
  --warn-bg: #2b2111;
  --focus: #6ea8fe;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

/* Barra superior */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--bg);
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.logo { height: 28px; width: auto; display: block; }
.logo-dark { display: none; }
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo-light { display: none; }
  :root:not([data-theme="light"]) .logo-dark { display: block; }
}
.product { font-weight: 600; letter-spacing: -0.01em; color: var(--muted); }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); }
.nav a:hover { background: var(--surface); color: var(--text); }
.nav a[aria-current="page"] { background: var(--surface); color: var(--text); font-weight: 500; }
.actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.who { color: var(--muted); font-size: 13px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Contenido */
.container { width: 100%; max-width: 760px; margin: 0 auto; padding: 32px 20px 48px; flex: 1; }
.container:focus { outline: none; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; }
h1 { font-size: 24px; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 8px; font-weight: 600; }
h2 { font-size: 16px; margin: 0 0 8px; font-weight: 600; }
h3 { font-size: 14px; margin: 16px 0 6px; font-weight: 600; color: var(--muted); text-transform: none; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; }
.lead { color: var(--muted); margin-bottom: 24px; }

.card {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin: 0 0 16px;
}
.card.subtle { background: var(--surface); }
a.card { display: block; text-decoration: none; }
a.card:hover { background: var(--surface); }
.mt { margin-top: 16px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 10px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 14px; margin: 0; }
.icon-btn svg { width: 18px; height: 18px; display: block; margin: auto; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }

/* Botones y formularios */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  border-radius: 999px; padding: 9px 16px; font: inherit; font-weight: 500; cursor: pointer;
}
.btn:hover { background: var(--surface); }
a.btn { display: inline-block; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent); opacity: .88; }
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-danger:hover { background: var(--danger-bg); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface); color: var(--text); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.icon-btn { appearance: none; border: 0; background: transparent; color: var(--muted); font-size: 18px; width: 34px; height: 34px; border-radius: 8px; cursor: pointer; }
.icon-btn:hover { background: var(--surface); color: var(--text); }
label { display: block; font-size: 13px; font-weight: 500; margin: 0 0 6px; }
input[type="email"], input[type="password"], input[type="text"], textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px;
}
textarea { min-height: 84px; resize: vertical; }
select {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--focus); outline-offset: 0; border-color: transparent; }
input.code-input { max-width: 200px; font-family: var(--mono); font-size: 22px; letter-spacing: .3em; text-align: center; }

/* Segundo factor */
.qr { display: inline-block; background: #ffffff; padding: 12px; border-radius: var(--radius); border: 1px solid var(--border); line-height: 0; }
.qr img { width: 200px; height: 200px; display: block; }
.secret {
  font-family: var(--mono); font-size: 15px; letter-spacing: .08em; word-break: break-all;
  background: var(--surface); border-radius: 10px; padding: 10px 12px; user-select: all; margin: 0;
}
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; margin: 8px 0; }
.check input { margin-top: 4px; }

/* Avisos */
.notice { border-radius: 10px; padding: 12px 14px; font-size: 14px; margin: 0 0 16px; border: 1px solid var(--border); background: var(--surface); }
.notice.error { background: var(--danger-bg); border-color: transparent; color: var(--danger); }
.notice.ok { background: var(--ok-bg); border-color: transparent; color: var(--ok); }
.notice.warn { background: var(--warn-bg); border-color: transparent; color: var(--warn); }
.pill { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); }
.pill.warn { color: var(--warn); }
.pill.ok { color: var(--ok); }

/* Listas */
.list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.list li + li { border-top: 1px solid var(--border); }
.list-item { display: block; width: 100%; text-align: left; background: var(--surface-2); color: var(--text); border: 0; padding: 14px 16px; font: inherit; cursor: pointer; }
.list-item:hover { background: var(--surface); }
.list-static { padding: 14px 16px; background: var(--surface-2); }
.item-title { font-weight: 500; }
.item-meta { color: var(--muted); font-size: 13px; margin-top: 2px; }
.tabs { display: flex; gap: 4px; margin: 0 0 16px; }
.tab { appearance: none; border: 0; background: transparent; color: var(--muted); padding: 6px 12px; border-radius: 8px; font: inherit; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--surface); color: var(--text); font-weight: 500; }
.body-text { white-space: pre-wrap; word-break: break-word; background: var(--surface); border-radius: 10px; padding: 14px; font-size: 14px; }
details { margin: 12px 0; }
summary { cursor: pointer; color: var(--muted); font-size: 14px; }

/* Diálogo de confirmación */
.dialog { border: 1px solid var(--border); border-radius: var(--radius); padding: 0; background: var(--surface-2); color: var(--text); max-width: 440px; width: calc(100% - 32px); }
.dialog::backdrop { background: rgba(0, 0, 0, .4); }
.dialog-body { padding: 20px; }
.dialog-title { font-size: 17px; margin: 0 0 8px; }
.dialog-text { color: var(--muted); }

@media (max-width: 560px) {
  .topbar { flex-wrap: wrap; padding: 10px 16px; }
  .who { display: none; }
  .container { padding: 24px 16px 40px; }
  .kv { grid-template-columns: 1fr; }
  .kv dt { margin-top: 6px; }
}