/* MilkyBrain portal. Mobile first, no framework. */

:root {
  --bg: #f5f4ef;
  --card: #ffffff;
  --text: #1f2328;
  --muted: #5f6770;
  --line: #e2e0d8;
  --accent: #2f5d50;
  --accent-hover: #244a40;
  --accent-text: #ffffff;
  --accent-soft: #e5eee9;
  --ok: #26704a;
  --ok-soft: #e1f1e7;
  --warn: #8a5300;
  --warn-soft: #fbefd9;
  --err: #a1372a;
  --err-soft: #f8e4e0;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(31, 35, 40, 0.06);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b;
    --card: #1e2226;
    --text: #e8e6e1;
    --muted: #a1a8b0;
    --line: #30363c;
    --accent: #7fb8a4;
    --accent-hover: #95c8b6;
    --accent-text: #10201b;
    --accent-soft: #233631;
    --ok: #7fcf9f;
    --ok-soft: #1f3528;
    --warn: #e7b866;
    --warn-soft: #3a2f1c;
    --err: #f09a8c;
    --err-soft: #3d2420;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* header and footer */
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top-inner {
  max-width: 560px; margin: 0 auto; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  color: var(--text); text-decoration: none;
  font-weight: 700; font-size: 20px; letter-spacing: -0.01em;
}
.logout { margin: 0; }
.link-button {
  background: none; border: 0; padding: 8px 0; color: var(--muted);
  font: inherit; font-size: 15px; cursor: pointer;
}
.link-button:hover { color: var(--text); }
.foot { max-width: 560px; margin: 0 auto; padding: 24px 16px 40px; color: var(--muted); font-size: 14px; text-align: center; }

.wrap { max-width: 560px; margin: 0 auto; padding: 20px 16px 0; }

h1 { font-size: 24px; line-height: 1.25; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 19px; line-height: 1.3; margin: 0; }
p { margin: 0 0 12px; }
a { color: var(--accent); }

.intro { padding: 4px 2px 8px; }
.intro p { color: var(--muted); }

/* cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 18px;
  margin: 0 0 16px;
}
.card > :last-child { margin-bottom: 0; }
.card > h2 { margin-bottom: 10px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.card.success h1 { color: var(--ok); }
.error-card { border-color: var(--err); background: var(--err-soft); }
.error-card h2 { margin-bottom: 8px; }

/* badges */
.badge {
  display: inline-block; white-space: nowrap;
  font-size: 13px; font-weight: 600; line-height: 1;
  padding: 6px 10px; border-radius: 999px;
}
.badge.ok { color: var(--ok); background: var(--ok-soft); }
.badge.todo { color: var(--muted); background: var(--bg); border: 1px solid var(--line); }
.badge.warn { color: var(--warn); background: var(--warn-soft); }

/* buttons */
.btn {
  display: block; width: 100%;
  min-height: 48px; padding: 12px 18px;
  border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; text-align: center; text-decoration: none;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn.primary:hover { background: var(--accent-hover); }
.btn.secondary { background: var(--card); color: var(--accent); border-color: var(--accent); }
.btn.secondary:hover { background: var(--accent-soft); }
.btn.big { min-height: 56px; font-size: 18px; margin: 16px 0; }
.btn.small { width: auto; display: inline-block; min-height: 40px; padding: 8px 14px; font-size: 15px; }
.btn:focus-visible, input:focus-visible, textarea:focus-visible, .link-button:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.row.center { justify-content: center; }

/* forms */
.stack { display: flex; flex-direction: column; gap: 8px; margin: 0; }
.stack .btn { margin-top: 8px; }
label { font-weight: 600; font-size: 15px; }
input, textarea {
  width: 100%; padding: 12px 14px;
  font: inherit; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 10px;
}
textarea { resize: vertical; min-height: 100px; }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--err); }
.code-input { font-size: 24px; letter-spacing: 0.3em; text-align: center; font-variant-numeric: tabular-nums; }

/* text helpers */
.hint { color: var(--muted); font-size: 15px; }
.notice { background: var(--accent-soft); border-radius: 10px; padding: 10px 12px; }
.warning { background: var(--warn-soft); color: var(--text); border-radius: 10px; padding: 10px 12px; }
.error { color: var(--err); font-weight: 600; margin: 0; }
.success-text { color: var(--ok); font-weight: 700; font-size: 19px; text-align: center; margin: 12px 0; }
.center { text-align: center; }
.label { font-weight: 600; margin: 16px 0 4px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.secret { font-size: 16px; letter-spacing: 0.05em; }
.back { text-align: center; margin: 4px 0 8px; }

.steps { padding-left: 22px; margin: 0 0 8px; }
.steps li { margin-bottom: 4px; }

.code-big {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 34px; font-weight: 700; letter-spacing: 0.08em; text-align: center;
  background: var(--bg); border: 1px dashed var(--line); border-radius: 12px;
  padding: 14px 8px; margin: 0 0 8px; user-select: all; overflow-wrap: anywhere;
}

/* QR codes: always dark on white, so phones can read them in dark mode too */
.qr { background: #fff; border-radius: 12px; padding: 12px; width: 220px; max-width: 100%; margin: 8px auto 16px; }
.qr svg { display: block; width: 100%; height: auto; }
@media (max-width: 480px) { .qr { width: 180px; } }

/* Microsoft apps */
.apps { list-style: none; padding: 0; margin: 12px 0 0; }
.app { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.app-name { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.app form { margin: 0; flex-shrink: 0; }

/* recovery codes */
.codes {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 17px;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 20px;
  padding-left: 28px; margin: 12px 0;
}

/* states driven by app.js: data-state="pending|done|failed", .is-expired, [data-trouble] */
.when-done, .when-failed, .when-expired { display: none; }
[data-state="done"] .when-done,
[data-state="failed"] .when-failed,
.is-expired .when-expired { display: block; }
[data-state="done"] .when-pending,
[data-state="failed"] .when-pending,
.is-expired .when-pending { display: none; }
.waiting, .trouble { display: none; }
.js .waiting { display: block; color: var(--muted); text-align: center; }
.js .waiting::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; vertical-align: middle;
  border-radius: 50%; background: var(--accent); animation: pulse 1.4s ease-in-out infinite;
}
.js [data-trouble] .trouble { display: block; color: var(--warn); text-align: center; font-size: 15px; }
@keyframes pulse { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .js .waiting::before { animation: none; } }

@media (min-width: 600px) {
  .wrap { padding-top: 32px; }
  .card { padding: 24px; }
}

@media print {
  .top, .foot, .back, .no-print, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card { border: 0; box-shadow: none; padding: 0; }
}