/* MyDay — the core stylesheet (SPEC-009 §4/§7).
   Hand-written, no build step, no framework. Same-origin only (CSP style-src
   'self' — no inline styles). */

:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --ink: #101828;
  --ink-soft: #475467;
  --line: #dfe3e8;
  --brand: #1f4bd8;
  --danger: #b42318;
  --notice-bg: #ecfdf3;
  --notice-ink: #054f31;
  --error-bg: #fef3f2;
  --radius: 10px;
  color-scheme: light;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ── the shell ─────────────────────────────────────────────────────────────── */

.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: #fff;
}

.app-header .brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  text-decoration: none;
}

.app-header nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-header nav a {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  color: #d0d5dd;
  text-decoration: none;
}

.app-header nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }

.app-header nav a[aria-current="page"] {
  background: #fff;
  color: var(--ink);
  font-weight: 600;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
h3 { font-size: 1rem; margin: 1rem 0 0.25rem; }
p { margin: 0.5rem 0; color: var(--ink-soft); }

section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0;
}

section p:first-child { margin-top: 0; }

/* ── forms ─────────────────────────────────────────────────────────────────── */

form { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: flex-end; margin: 0.5rem 0; }

label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: var(--ink-soft); }

input {
  font: inherit;
  color: var(--ink);
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  min-width: 12rem;
}

input:focus-visible,
button:focus-visible,
a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

button {
  font: inherit;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--brand);
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
}

button[disabled] { opacity: 0.6; cursor: progress; }

button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

/* ── banners & status ──────────────────────────────────────────────────────── */

.flash {
  max-width: 42rem;
  margin: 1rem auto 0;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

.flash.notice { background: var(--notice-bg); color: var(--notice-ink); }
.flash.error { background: var(--error-bg); color: var(--danger); }

#passkey-status { font-size: 0.95rem; color: var(--ink-soft); }
#passkey-status.error { color: var(--danger); }

/* ── the Modules page ──────────────────────────────────────────────────────── */

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--line); }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
td form { margin: 0; }
.locked { color: var(--ink-soft); font-size: 0.85rem; }
.restart { color: var(--danger); }

/* ── responsive ────────────────────────────────────────────────────────────── */

@media (max-width: 30rem) {
  input { min-width: 100%; }
  form { flex-direction: column; align-items: stretch; }
  button { width: 100%; }
}