/* Weekly Learning — house design system.
   Same palette and type pairing as the Copilot and Faith & AI training sites, so the
   whole fleet reads as one hand. Navy carries structure, teal carries interaction,
   orange carries the primary action. */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Source+Sans+3:wght@400;600&display=swap');

:root {
  --navy: #1A365D;
  --navy-deep: #142B4A;
  --teal: #237D81;
  --orange: #EE7C22;
  --orange-ink: #B4530A;   /* darker orange for text and fills — passes WCAG AA */
  --green: #16A34A;
  --red: #B83A4B;

  --ink: var(--navy);
  --accent: var(--teal);
  --white: #FFFFFF;
  --bg: #F4F5F7;
  --bg-warm: #F8F9FB;
  --muted: #4B5563;
  --border: rgba(134, 134, 134, 0.16);

  --accent-light: rgba(35, 125, 129, 0.09);
  --accent-mid: rgba(35, 125, 129, 0.22);
  --warm-light: rgba(238, 124, 34, 0.08);

  --shadow-sm: 0 1px 3px rgba(26, 54, 93, 0.07);
  --shadow-md: 0 4px 12px rgba(26, 54, 93, 0.10);
  --shadow-lg: 0 8px 28px rgba(26, 54, 93, 0.13);

  --radius: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--navy);
  font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-display {
  font-family: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 .5rem;
}

a { color: var(--teal); }

.container { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 3rem 0; }
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.row-between { display: flex; gap: 1rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.tiny { font-size: .8rem; }
.center { text-align: center; }
.hidden { display: none !important; }

/* ── Nav ──────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 20;
  height: 68px; display: flex; align-items: center;
  background: var(--white);
  box-shadow: 0 1px 12px rgba(26, 54, 93, 0.06);
}
.nav .container-wide { display: flex; align-items: center; gap: 1rem; width: 100%; }
.brand {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  font-size: 1.15rem; color: var(--navy); text-decoration: none;
  display: flex; align-items: center; gap: .6rem;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: block;   /* the app icon itself — same artwork as the favicon */
}
.nav-right { margin-left: auto; display: flex; align-items: center; gap: .85rem; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  border-radius: var(--radius-pill); padding: .6rem 1.4rem;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: .95rem;
  border: 1.5px solid transparent; cursor: pointer; text-decoration: none;
  transition: transform .12s ease, background .15s ease, color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--orange-ink); color: var(--white); }
.btn-primary:hover:not(:disabled) { background: #9C4708; }
.btn-secondary { background: transparent; color: var(--teal); border-color: var(--teal); }
.btn-secondary:hover:not(:disabled) { background: var(--teal); color: var(--white); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--bg); }
.btn-danger { background: transparent; color: var(--red); border-color: rgba(184, 58, 75, .4); }
.btn-danger:hover:not(:disabled) { background: var(--red); color: var(--white); }
.btn-sm { padding: .35rem .9rem; font-size: .85rem; }
.btn-google { background: var(--white); color: var(--navy); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn-google:hover { background: var(--bg); }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--shadow-sm);
}
.card-teal { border-top: 3px solid var(--teal); }
.card-warm { border-top: 3px solid var(--orange); }
.card-link { display: block; text-decoration: none; color: inherit; transition: transform .14s ease, box-shadow .14s ease; }
.card-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: .16rem .68rem; border-radius: var(--radius-pill);
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
}
.badge-draft { background: rgba(26, 54, 93, .08); color: var(--navy); }
.badge-published { background: #DCFCE7; color: #15803D; }
.badge-closed { background: rgba(184, 58, 75, .1); color: var(--red); }
.badge-professor { background: var(--accent-light); color: var(--teal); }
.badge-student { background: var(--warm-light); color: var(--orange-ink); }
.badge-super_admin { background: var(--navy); color: var(--white); }
/* Grounding tiers. A = professor's own material, B = the assigned text,
   C = public summaries. This is a question-quality signal, not a student judgment. */
.badge-tier-A { background: #DCFCE7; color: #15803D; }
.badge-tier-B { background: var(--accent-light); color: var(--teal); }
.badge-tier-C { background: var(--warm-light); color: var(--orange-ink); }
.badge-tier-none { background: rgba(26, 54, 93, .08); color: var(--muted); }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block; margin-bottom: .3rem;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700;
  font-size: .85rem; color: var(--navy);
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: .6rem .85rem;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-family: inherit; font-size: 1rem; color: var(--navy); background: var(--white);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--teal); }
.form-textarea { min-height: 90px; resize: vertical; }
.form-hint { font-size: .82rem; color: var(--muted); margin-top: .25rem; }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.data-table th {
  text-align: left; padding: .6rem .75rem; background: var(--bg);
  border-bottom: 2px solid var(--border);
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
}
.data-table td { padding: .6rem .75rem; border-bottom: 1px solid var(--border); }
.data-table tr:hover td { background: var(--bg-warm); }
.table-wrap { overflow-x: auto; }

/* ── Code / join code ─────────────────────────────────────────────────────── */
.join-code {
  display: inline-block; font-family: 'Plus Jakarta Sans', monospace; font-weight: 800;
  font-size: 1.35rem; letter-spacing: .18em;
  background: var(--navy-deep); color: #E2E8F0;
  padding: .5rem 1.1rem; border-radius: var(--radius);
}

/* ── Notices ──────────────────────────────────────────────────────────────── */
.notice { border-radius: var(--radius); padding: .85rem 1.1rem; font-size: .95rem; border: 1px solid; }
.notice-info { background: var(--accent-light); border-color: var(--accent-mid); color: #14565A; }
.notice-warn { background: var(--warm-light); border-color: rgba(238, 124, 34, .3); color: var(--orange-ink); }
.notice-error { background: rgba(184, 58, 75, .07); border-color: rgba(184, 58, 75, .3); color: var(--red); }

.toast {
  position: fixed; left: 50%; bottom: 1.75rem; transform: translateX(-50%);
  background: var(--navy-deep); color: var(--white);
  padding: .7rem 1.4rem; border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg); font-size: .95rem; z-index: 60;
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.toast.show { opacity: 1; }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero { background: var(--white); border-bottom: 1px solid var(--border); padding: 4rem 0 3.5rem; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.hero .lede { font-size: 1.15rem; color: var(--muted); max-width: 46rem; }
.eyebrow {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .16em; color: var(--teal); margin-bottom: .5rem;
}

.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2.5px solid var(--accent-light); border-top-color: var(--teal);
  animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Week list ────────────────────────────────────────────────────────────── */
.week-list { display: flex; flex-direction: column; gap: .6rem; }
.week-row {
  display: flex; align-items: center; gap: 1rem;
  background: var(--white); border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius); padding: .9rem 1.1rem;
  text-decoration: none; color: inherit; box-shadow: var(--shadow-sm);
  transition: transform .12s ease, box-shadow .12s ease;
}
.week-row:hover { transform: translateX(2px); box-shadow: var(--shadow-md); }
.week-num {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-light); color: var(--teal);
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: .95rem;
}

/* ── Tabs (add-resource picker) ───────────────────────────────────────────── */
.tabs {
  display: flex; gap: .25rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--border); margin-bottom: 1.1rem;
}
.tab {
  background: transparent; border: none; cursor: pointer;
  padding: .55rem .85rem; margin-bottom: -1px;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: .85rem;
  color: var(--muted); border-bottom: 2.5px solid transparent; border-radius: 0;
}
.tab:hover { color: var(--navy); }
.tab.is-active { color: var(--teal); border-bottom-color: var(--teal); }

/* ── Material cards ───────────────────────────────────────────────────────── */
.material-card { padding: 1rem 1.15rem; margin-bottom: .6rem; }
.material-edit { border-top: 1px solid var(--border); margin-top: .9rem; }

/* ── Get started checklist ────────────────────────────────────────────────── */
.onboard { border-top: 3px solid var(--orange); margin-bottom: 2rem; }
.onboard ol { list-style: none; margin: 1rem 0 0; padding: 0; }
.onboard li {
  display: flex; gap: .85rem; align-items: flex-start;
  padding: .7rem 0; border-top: 1px solid var(--border);
}
.onboard li:first-child { border-top: none; }
.step-mark {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: .8rem;
  background: var(--bg); color: var(--muted); border: 1.5px solid var(--border);
}
.onboard li.done .step-mark { background: var(--green); color: var(--white); border-color: var(--green); }
.onboard li.done .step-body strong { text-decoration: line-through; color: var(--muted); }
.onboard li.next .step-mark { background: var(--orange-ink); color: var(--white); border-color: var(--orange-ink); }
.step-body { min-width: 0; }
.step-body strong { font-family: 'Plus Jakarta Sans', sans-serif; }
.step-body p { margin: .1rem 0 0; font-size: .88rem; color: var(--muted); }