/* ============================================================================
   Howzit Buddy, platform design system
   Petrol-teal glassy identity from the landing page + the wellbeing app's
   domain colours. Used by auth, learner app, teacher & admin dashboards.
   ========================================================================== */

:root {
  /* Brand (landing identity) */
  --blue:   #3B8DF0;
  --sky:    #8FC0F7;
  --red:    #E8402E;
  --green:  #22B573;
  --yellow: #FBB915;
  --orange: #F5883B;
  --teal:   #0E4A63;
  --deep:   #072b3a;
  --ink:    #06222d;
  --cream:  #FFFDF7;

  /* Wellbeing app palette (from the original prototype) */
  --E: #4fc3f7;      /* Engagement */
  --P: #81c784;      /* Perseverance */
  --O: #ffb74d;      /* Optimism */
  --C: #f48fb1;      /* Connectedness */
  --H: #ce93d8;      /* Happiness */
  --mint:  #06d6a0;
  --coral: #ff6b6b;
  --sun:   #ffd366;

  --text:   #FFFDF7;
  --muted:  rgba(232, 240, 245, 0.72);
  --card:   rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.15);

  --sidebar-w: 232px;   /* desktop nav rail */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; }

body {
  font-family: 'Nunito', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(120% 120% at 50% 8%, #1a6f8c 0%, #0E4A63 45%, #072b3a 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.5;
}

.font-display, h1, h2, h3 { font-family: 'Fredoka', system-ui, sans-serif; font-weight: 600; }

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

/* ---------- Layout shells ---------- */

.app-shell {                 /* learner app: phone-first column */
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px 96px;   /* room for bottom nav */
  min-height: 100vh;
}

.wide-shell {                /* teacher/admin: desktop dashboard */
  max-width: 1150px;
  margin: 0 auto;
  padding: 20px 20px 60px;
}

/* ---------- Cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px 18px;
  margin-bottom: 14px;
  backdrop-filter: blur(10px);
}

.section-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}
.tag-mood   { background: rgba(255, 107, 107, 0.12); color: var(--coral); }
.tag-sleep  { background: rgba(79, 195, 247, 0.12);  color: var(--E); }
.tag-social { background: rgba(6, 214, 160, 0.12);   color: var(--mint); }

.card h2 { font-size: 18px; margin-bottom: 12px; line-height: 1.35; }

/* ---------- Buttons ---------- */

.btn {
  display: block;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  margin-bottom: 10px;
  transition: transform 0.12s ease, filter 0.15s ease;
}
.btn:hover  { filter: brightness(1.08); }
.btn:active { transform: translateY(2px); }

.btn-mint   { background: linear-gradient(135deg, var(--mint), #00897b); color: #fff; box-shadow: 0 6px 20px rgba(6, 214, 160, 0.3); }
.btn-yellow { background: linear-gradient(135deg, var(--yellow), #f0b429); color: var(--ink); box-shadow: 0 6px 20px rgba(251, 185, 21, 0.3); }
.btn-coral  { background: linear-gradient(135deg, var(--coral), #e53935); color: #fff; }
.btn-ghost  { background: var(--card); border: 1px solid var(--border); color: var(--muted); }
.btn-sm     { width: auto; display: inline-block; padding: 8px 16px; font-size: 13px; margin-bottom: 0; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

/* ---------- Forms ---------- */

.input, select.input, textarea.input {
  width: 100%;
  background: #1e3a4d;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  padding: 12px 16px;
  font-family: 'Nunito', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  outline: none;
  margin-bottom: 10px;
  display: block;
}
.input::placeholder { color: rgba(232, 240, 245, 0.55); }
.input:focus { border-color: var(--yellow); }
.input-pin { text-align: center; font-size: 20px; letter-spacing: 8px; font-weight: 800; }

label.check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: rgba(232, 240, 245, 0.85);
  line-height: 1.6;
}
label.check input { width: 20px; height: 20px; min-width: 20px; margin-top: 2px; accent-color: var(--mint); cursor: pointer; }

.form-err {
  color: var(--coral);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  margin-top: 8px;
  min-height: 1.2em;
}
.form-ok { color: var(--mint); }

/* ---------- Auth tabs ---------- */

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  flex: 1;
  padding: 10px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
  cursor: pointer;
}
.tab.active { border-color: rgba(6, 214, 160, 0.4); background: rgba(6, 214, 160, 0.12); color: var(--mint); }

/* ---------- Emoji answer rows & chips ---------- */

.emoji-row { display: flex; gap: 6px; justify-content: space-between; }
.em-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 12px 4px 8px;
  font-size: 26px;
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.em-btn:hover { transform: translateY(-3px); }
.em-btn.sel   { background: rgba(6, 214, 160, 0.16); border-color: var(--mint); transform: translateY(-3px) scale(1.05); }
.em-lbl { font-size: 10px; font-weight: 800; color: var(--muted); font-family: 'Nunito', sans-serif; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.chip:hover { border-color: rgba(255, 255, 255, 0.35); }
.chip.sel   { background: rgba(6, 214, 160, 0.16); border-color: var(--mint); color: var(--mint); }

/* ---------- Sliders ---------- */

input[type="range"] {
  width: 100%;
  accent-color: var(--mint);
  height: 34px;
  cursor: pointer;
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
}
.slider-labels span:nth-child(2) { color: var(--mint); font-size: 13px; }

/* ---------- Progress dots / bars ---------- */

.pdots { display: flex; gap: 8px; justify-content: center; padding: 8px 0 16px; }
.pdot  { width: 34px; height: 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.12); }
.pdot.active { background: var(--mint); }
.pdot.done   { background: rgba(6, 214, 160, 0.45); }

.epoch-progress { display: flex; align-items: center; gap: 12px; padding: 10px 0 18px; }
.epoch-bar-bg   { flex: 1; height: 8px; border-radius: 8px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.epoch-bar-fill { height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--mint), var(--E)); transition: width 0.35s ease; }
.epoch-prog-text { font-size: 12px; font-weight: 800; color: var(--muted); white-space: nowrap; }

/* ---------- EPOCH rating buttons ---------- */

.rating-row { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.rating-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 13px 16px;
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
  white-space: pre-line;
}
.rating-btn:hover { border-color: rgba(255, 255, 255, 0.4); }
.rating-btn.sel-E { background: rgba(79,195,247,0.18);  border-color: var(--E); }
.rating-btn.sel-P { background: rgba(129,199,132,0.18); border-color: var(--P); }
.rating-btn.sel-O { background: rgba(255,183,77,0.18);  border-color: var(--O); }
.rating-btn.sel-C { background: rgba(244,143,177,0.18); border-color: var(--C); }
.rating-btn.sel-H { background: rgba(206,147,216,0.18); border-color: var(--H); }

/* ---------- Domain bars & score ring ---------- */

.domain-bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.db-label { width: 128px; min-width: 128px; }
.db-name  { font-size: 12px; font-weight: 800; }
.db-score { font-size: 18px; font-weight: 900; font-family: 'Fredoka', sans-serif; }
.db-band  { font-size: 10px; font-weight: 800; text-transform: uppercase; opacity: 0.8; }
.db-bar-bg   { flex: 1; height: 10px; background: rgba(255, 255, 255, 0.08); border-radius: 10px; overflow: hidden; }
.db-bar-fill { height: 100%; border-radius: 10px; transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1); }

.epoch-overall { text-align: center; padding: 18px 0 8px; }
.overall-score-ring { position: relative; width: 130px; height: 130px; margin: 0 auto 10px; }
.overall-score-ring svg { transform: rotate(-90deg); }
.score-inner {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.overall-big { font-family: 'Fredoka', sans-serif; font-size: 34px; font-weight: 700; }
.overall-lbl { font-size: 10px; font-weight: 800; text-transform: uppercase; color: var(--muted); }

/* ---------- Insight / exercise blocks ---------- */

.insight-block { border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; border: 1px solid var(--border); }
.insight-block.strength  { background: rgba(6, 214, 160, 0.08);  border-color: rgba(6, 214, 160, 0.25); }
.insight-block.attention { background: rgba(255, 183, 77, 0.08); border-color: rgba(255, 183, 77, 0.25); }
.insight-block.low-block { background: rgba(255, 107, 107, 0.08); border-color: rgba(255, 107, 107, 0.25); }
.ib-tag   { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 4px; }
.ib-title { font-size: 15px; font-weight: 800; margin-bottom: 4px; }
.ib-text  { font-size: 13px; font-weight: 600; color: rgba(232, 240, 245, 0.85); line-height: 1.7; }

.ex-card  { background: rgba(255, 255, 255, 0.04); border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; }
.ex-title { font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.ex-body  { font-size: 13px; font-weight: 600; color: rgba(232, 240, 245, 0.8); line-height: 1.7; margin-bottom: 8px; }
.ex-tag   { display: inline-block; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 50px; }

/* ---------- Streak / score displays ---------- */

.streak-row {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg, rgba(255, 211, 102, 0.1), rgba(240, 180, 41, 0.05));
  border: 1px solid rgba(255, 211, 102, 0.25);
  border-radius: 16px;
  padding: 14px 18px;
  margin-bottom: 14px;
}
.streak-fire { font-size: 30px; }
.streak-val  { font-family: 'Fredoka', sans-serif; font-size: 19px; font-weight: 700; color: var(--sun); }
.streak-lbl  { font-size: 12px; font-weight: 700; color: var(--muted); }

.score-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.sc-item { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px 8px; text-align: center; }
.sc-emoji { font-size: 22px; }
.sc-val   { font-family: 'Fredoka', sans-serif; font-size: 22px; font-weight: 700; }
.sc-lbl   { font-size: 10px; font-weight: 800; color: var(--muted); text-transform: uppercase; }

/* ---------- Mode cards (home) ---------- */

.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mode-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.mode-card:hover { transform: translateY(-3px); border-color: var(--mint); }
.mc-emoji { font-size: 32px; display: block; margin-bottom: 8px; }
.mc-title { font-size: 14px; font-weight: 800; margin-bottom: 3px; }
.mc-sub   { font-size: 11px; font-weight: 600; color: var(--muted); }

/* ---------- Bottom navigation (learner app) ---------- */

.nav-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 2px;
  background: rgba(7, 32, 44, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
  z-index: 50;
}
.nav-btn {
  flex: 1;
  max-width: 88px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  padding: 6px 2px;
  border-radius: 12px;
  text-align: center;
  text-decoration: none;
}
.nav-btn.active { color: var(--mint); background: rgba(6, 214, 160, 0.1); }
.nav-icon { display: block; font-size: 20px; }
.nav-lbl  { font-size: 10px; font-weight: 800; }
.nav-sos  { color: var(--coral); }

/* Brand block, only shown when the nav becomes a desktop sidebar */
.nav-brand { display: none; }

/* ---------- Home hero ---------- */

.home-hero { text-align: center; padding: 18px 0 12px; }
.home-hero img { width: 130px; border-radius: 18px; box-shadow: 0 14px 34px rgba(4, 26, 35, 0.45); }
.home-hero h1 { font-size: 22px; margin-top: 12px; }

/* ---------- Progress: stat tiles, meters, themes, badges ---------- */

.tile-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 12px;
  text-align: center;
}
.tile-ico { font-size: 20px; line-height: 1; }
.tile-num { font-family: 'Fredoka', sans-serif; font-size: 24px; font-weight: 700; line-height: 1.15; }
.tile-lbl { font-size: 9.5px; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }

/* Average meters (mood / sleep / social / energy) */
.meter { margin-bottom: 12px; }
.meter:last-child { margin-bottom: 0; }
.meter-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 5px; }
.meter-name { font-size: 13px; font-weight: 800; }
.meter-val  { font-family: 'Fredoka', sans-serif; font-size: 15px; font-weight: 700; }
.meter-bar  { height: 8px; background: rgba(255, 255, 255, .08); border-radius: 8px; overflow: hidden; }
.meter-fill { height: 100%; border-radius: 8px; width: 0; transition: width .9s cubic-bezier(.22, 1, .36, 1); }

/* Theme chips ("what's been on your mind") */
.theme-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 7px 12px;
  font-size: 12.5px; font-weight: 700;
  margin: 0 6px 6px 0;
}
.theme-count {
  background: rgba(6, 214, 160, .18);
  color: var(--mint);
  border-radius: 50px;
  padding: 1px 7px;
  font-size: 11px; font-weight: 800;
}

/* Badge tiles */
.badge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.badge-tile {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 6px;
  text-align: center;
}
.badge-tile.got { border-color: rgba(255, 211, 102, .45); background: rgba(255, 211, 102, .08); }
.badge-tile.locked { opacity: .42; filter: grayscale(.8); }
.badge-emoji { font-size: 22px; }
.badge-name  { font-size: 9.5px; font-weight: 800; margin-top: 3px; line-height: 1.3; }

/* ---------- Calendar ---------- */

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-cell {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}
.cal-cell.done  { background: rgba(6, 214, 160, 0.2); color: var(--mint); border: 1px solid rgba(6, 214, 160, 0.4); }
.cal-cell.today { border: 1.5px solid var(--yellow); color: var(--yellow); }
.cal-cell.empty { background: none; }
.cal-dow { font-size: 10px; text-transform: uppercase; opacity: 0.6; background: none; aspect-ratio: auto; padding: 4px 0; }

/* ---------- Weekly mood bars ---------- */

.bar-chart { display: flex; align-items: stretch; gap: 8px; height: 140px; padding-top: 8px; }
.bar-col   { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; }
/* The track soaks up the spare height so bars scale with the card instead of
   being stranded at the bottom of a tall column. */
.bar-track { flex: 1; width: 100%; display: flex; align-items: flex-end; }
.bar-fill  { width: 100%; border-radius: 8px 8px 4px 4px; min-height: 4px; transition: height 0.6s ease; }
.bar-emoji { font-size: 15px; line-height: 1; }
.bar-lbl   { font-size: 10px; font-weight: 800; color: var(--muted); }

/* ---------- Breathing circle ---------- */

.breathe-wrap { text-align: center; padding: 10px 0; }
.breathe-circle {
  width: 130px; height: 130px;
  margin: 14px auto;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 214, 160, 0.25), rgba(6, 214, 160, 0.08));
  border: 2px solid var(--mint);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: var(--mint);
  cursor: pointer;
  transition: transform 4s ease-in-out;
}
.breathe-circle.inh { transform: scale(1.35); }
.breathe-circle.exh { transform: scale(0.85); }
.breathe-inst { font-size: 16px; font-weight: 800; min-height: 1.4em; }
.breathe-sub  { font-size: 12px; color: var(--muted); font-weight: 600; min-height: 1.3em; }

/* ---------- Toasts / overlays ---------- */

.toast {
  position: fixed;
  bottom: 100px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, rgba(255, 211, 102, 0.97), rgba(240, 180, 41, 0.97));
  color: var(--ink);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 13px; font-weight: 800;
  z-index: 999;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(255, 211, 102, 0.4);
  transition: all 0.4s;
}
.toast.mint { background: linear-gradient(135deg, rgba(6, 214, 160, 0.97), rgba(0, 137, 123, 0.97)); color: #fff; }

.overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 900;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.overlay-box {
  background: #10394d;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}

/* ---------- Loading spinner ---------- */

.loading { text-align: center; padding: 80px 0; }
.spin {
  width: 42px; height: 42px;
  margin: 0 auto 18px;
  border: 4px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--mint);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Screens (SPA) ---------- */

.screen { display: none; animation: fadein 0.3s ease; }
.screen.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Dashboard (teacher/admin) ---------- */

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px; text-align: center; }
.stat-num  { font-family: 'Fredoka', sans-serif; font-size: 32px; font-weight: 700; }
.stat-lbl  { font-size: 10px; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th {
  text-align: left;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
table.data td { padding: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); font-weight: 600; }
table.data tr:hover td { background: rgba(255, 255, 255, 0.03); }

.pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}
.pill-green  { background: rgba(6, 214, 160, 0.15);   color: var(--mint); }
.pill-amber  { background: rgba(255, 183, 77, 0.15);  color: var(--O); }
.pill-red    { background: rgba(255, 107, 107, 0.15); color: var(--coral); }
.pill-grey   { background: rgba(255, 255, 255, 0.08); color: var(--muted); }
.pill-blue   { background: rgba(79, 195, 247, 0.15);  color: var(--E); }

.avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), #00897b);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 900; color: #fff;
  flex-shrink: 0;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  padding: 6px 0 18px;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-badge {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--blue);
  display: grid; place-items: center;
  box-shadow: 0 8px 18px rgba(4, 26, 35, 0.4);
}
.brand-name { font-family: 'Fredoka', sans-serif; font-size: 19px; font-weight: 600; }

/* ---------- Utility ---------- */

.muted   { color: var(--muted); }
.small   { font-size: 12px; }
.center  { text-align: center; }
.mt      { margin-top: 14px; }
.mb0     { margin-bottom: 0; }
.flex    { display: flex; align-items: center; gap: 10px; }
.grow    { flex: 1; }
.hidden  { display: none !important; }

/* ============================================================================
   RESPONSIVE, the learner app is phone-first, but must not look like a phone
   emulator on a laptop. Tablet widens the column; desktop turns the bottom nav
   into a sidebar rail and lays cards out in columns.
   ========================================================================== */

/* ---------- Tablet ---------- */
@media (min-width: 700px) {
  .app-shell { max-width: 640px; padding: 22px 22px 104px; }
  .home-hero img { width: 150px; }
  .home-hero h1 { font-size: 25px; }
  .tile-row { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Desktop ---------- */
@media (min-width: 1024px) {

  /* Only pages that opt in (the learner app) get the sidebar offset,
     teacher/admin use .wide-shell and must not shift. */
  body.has-sidebar { padding-left: var(--sidebar-w); }

  /* Bottom nav → left sidebar rail */
  body.has-sidebar .nav-bar {
    top: 0;
    bottom: 0;
    right: auto;
    width: var(--sidebar-w);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 4px;
    padding: 22px 14px 22px;
    border-top: none;
    border-right: 1px solid var(--border);
  }
  body.has-sidebar .nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 10px 20px;
    text-decoration: none;
    color: var(--text);
  }
  body.has-sidebar .nav-btn {
    flex: 0 0 auto;          /* stop the mobile flex:1 stretching the rail */
    max-width: none;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 11px 14px;
  }
  body.has-sidebar .nav-btn:hover { background: rgba(255, 255, 255, 0.06); }
  body.has-sidebar .nav-icon { font-size: 18px; width: 22px; text-align: center; }
  body.has-sidebar .nav-lbl  { font-size: 14px; }
  body.has-sidebar .nav-sos  { margin-top: auto; border: 1px solid rgba(255, 107, 107, 0.3); background: rgba(255, 107, 107, 0.08); }
  body.has-sidebar .nav-sos:hover { background: rgba(255, 107, 107, 0.16); }

  /* Content area gets real room */
  .app-shell { max-width: 1080px; padding: 26px 34px 48px; }

  /* Focused, one-thing-at-a-time flows keep a comfortable reading column */
  .focus-col { max-width: 720px; margin-left: auto; margin-right: auto; }

  /* Home hero becomes a horizontal banner */
  .home-hero {
    display: flex;
    align-items: center;
    gap: 24px;
    text-align: left;
    padding: 6px 0 22px;
  }
  .home-hero img { width: 112px; }
  .home-hero h1 { font-size: 30px; margin-top: 0; }

  /* Two-column card grid (explicit ordering) */
  .d-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
  }
  .d-grid > .card { margin-bottom: 0; }
  .d-grid > .span-2 { grid-column: 1 / -1; }

  /* Real grid instead of ragged masonry columns. `column-count` left one column
     with a single card and a huge void beneath it; a grid keeps rows aligned and
     lets a card claim more width when it deserves it. */
  .d-cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;    /* equal-height rows: no ragged bottoms or voids */
    grid-auto-flow: dense;   /* small cards backfill beside a spanning one */
  }
  .d-cols > * { margin-bottom: 0; min-width: 0; }

  /* Cards fill their grid cell so every row lines up top AND bottom. */
  .d-cols > .card {
    margin-bottom: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  /* Some grid children are JS-rendered wrappers holding a single card. */
  .d-cols > div:not(.card) > .card {
    margin-bottom: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .d-cols > .wide { grid-column: span 2; }

  /* Content that should soak up the spare height rather than leave a void */
  .d-cols .bar-chart { flex: 1; min-height: 130px; }
  .d-cols .cal-grid  { align-content: start; }
  /* Trailing helper lines sit at the bottom of a stretched card */
  .d-cols .card-foot { margin-top: auto; padding-top: 12px; }

  /* ---------- Results hero band ----------
     The score ring used to float alone in a sea of empty space. On desktop it
     becomes a proper banner: ring on the left, headline and stats beside it. */
  .result-hero {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 30px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 26px 32px;
    margin-bottom: 16px;
  }
  .result-hero .epoch-overall { padding: 0; text-align: left; }
  .result-hero .overall-score-ring { margin: 0; width: 168px; height: 168px; }
  .result-hero .overall-score-ring svg { width: 168px; height: 168px; }
  .result-hero .overall-big { font-size: 46px; }
  .result-hero .overall-lbl { font-size: 11px; }
  .result-hero-copy h2 { font-size: 27px; margin-bottom: 6px; }

  /* The five domain bars have room to breathe on a wide screen */
  .d-cols .domain-bar-row { margin-bottom: 18px; }
  .d-cols .db-label { width: 150px; min-width: 150px; }
  .d-cols .db-score { font-size: 21px; }

  /* Stop the calendar dictating a very tall row, square cells in a wide column
     get big fast, which is what pushed every other card's content apart. */
  .d-cols .cal-grid { max-width: 360px; }
  .d-cols .cal-cell { font-size: 13px; }
  .result-hero-stats {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
  }
  .result-hero-stats .sc-item { flex: 1; min-width: 108px; margin: 0; }

  /* Bigger, calmer typography in the wide layout */
  .card h2 { font-size: 19px; }
  .mode-card { padding: 24px 18px; }
  .mc-emoji { font-size: 38px; }
}

/* ---------- Large desktop ---------- */
@media (min-width: 1360px) {
  .app-shell { max-width: 1320px; }
  .d-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .d-cols > .wide { grid-column: span 2; }
  .tile-row { grid-template-columns: repeat(4, 1fr); }
  .result-hero { padding: 30px 38px; gap: 38px; }
  .result-hero-copy h2 { font-size: 30px; }
  /* Home: modes stay full-width, wallet + resource share the row below */
  #s-home .d-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  #s-home .d-grid > .span-2 { grid-column: 1 / -1; }
  #s-home .d-grid > .card:not(.span-2) { grid-column: span 1; }
  #s-home .d-grid > .card:not(.span-2):first-of-type { grid-column: span 2; }
}

@media (min-width: 1700px) {
  .app-shell { max-width: 1480px; }
}

/* ---------- Sign out: never let it collide with the card above ---------- */
.sign-out-wrap {
  margin-top: 22px;
  padding-top: 4px;
  display: flex;
  justify-content: center;
}
.sign-out-wrap .btn { max-width: 240px; margin-bottom: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Numbered "how it works" steps, shared by the school sign-up and the roster
   upload, so the two onboarding pages read as one flow. */
.step-row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; }
.step-num {
  width: 30px; height: 30px; min-width: 30px; border-radius: 50%;
  background: rgba(6, 214, 160, .16); border: 1px solid var(--mint); color: var(--mint);
  display: grid; place-items: center; font-weight: 800; font-size: 14px;
}

/* Learner sign-in codes wherever they are shown to staff */
code {
  font-family: 'Fredoka', ui-monospace, monospace;
  font-weight: 700; letter-spacing: 1px;
  background: rgba(6, 214, 160, .12); color: var(--mint);
  padding: 2px 7px; border-radius: 7px; white-space: nowrap;
}