:root {
  --ink: #14213D;
  --muted: #5B6475;
  --line: #E1E4EB;
  --line-strong: #D9DDE5;
  --bg: #F6F7FB;
  --card: #FFFFFF;
  --accent: #3A3FD8;
  --accent-dark: #272BA8;
  --accent-soft: #F1F1FD;
  --accent-soft-2: #E7E8FB;
  --ok: #0B5E52;
  --ok-soft: #DDF3EE;
  --warm: #C2410C;
  --warm-soft: #FFF3E6;
  --danger: #B42318;
  --radius: 14px;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: #E9ECF2; }
body { min-height: 100vh; }
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--card);
  display: flex;
  flex-direction: column;
  position: relative;
}
.app.tinted { background: var(--bg); }

.screen {
  flex: 1;
  padding: 28px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.screen.with-nav { padding-bottom: 104px; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 44px; }
.topbar .title { font-size: 16px; font-weight: 700; }
.icon-btn {
  width: 44px; height: 44px; margin-left: -10px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; background: transparent; border-radius: 22px; cursor: pointer; color: var(--ink);
}
.icon-btn:hover { background: #EEF0F4; }

.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; letter-spacing: -0.3px; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; background: var(--accent); display: flex; align-items: center; justify-content: center; }

.h1 { font-size: 27px; line-height: 1.2; font-weight: 800; letter-spacing: -0.6px; }
.h2 { font-size: 17px; font-weight: 800; }
.lead { font-size: 15px; line-height: 1.5; color: var(--muted); }
.small { font-size: 12.5px; line-height: 1.5; color: var(--muted); }
.center { text-align: center; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack-sm { display: flex; flex-direction: column; gap: 8px; }
.row { display: flex; align-items: center; gap: 12px; }
.between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.push { margin-top: auto; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .label { font-size: 13px; font-weight: 600; }
.input, select.input, textarea.input {
  height: 48px; padding: 0 14px; width: 100%;
  border: 1.5px solid var(--line-strong); border-radius: 12px; background: #FFFFFF; font-size: 15px;
}
textarea.input { height: auto; min-height: 84px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(58, 63, 216, 0.15); }
.input::placeholder { color: #7A8294; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; line-height: 1.5; color: var(--muted); }
.check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--accent); flex-shrink: 0; }

.btn {
  height: 52px; border-radius: var(--radius); border: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 16px; font-weight: 700; text-decoration: none; width: 100%; padding: 0 18px;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-dark); color: #FFFFFF; }
.btn-outline { background: #FFFFFF; border: 1.5px solid var(--line-strong); color: var(--ink); }
.btn-outline:hover { background: #F6F7FB; color: var(--ink); }
.btn-accent-outline { background: #FFFFFF; border: 1.5px solid var(--accent); color: var(--accent); }
.btn-light { background: #FFFFFF; color: var(--ink); height: 48px; font-size: 15px; }
.btn-sm { height: 40px; font-size: 14px; width: auto; border-radius: 10px; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.link-btn { border: 0; background: none; padding: 0; color: var(--accent); font-weight: 700; cursor: pointer; font-size: 14px; }
.link-btn.danger { color: var(--danger); }

.error { background: #FEECEB; color: var(--danger); border-radius: 12px; padding: 12px 14px; font-size: 14px; }
.notice { background: var(--ok-soft); color: var(--ok); border-radius: 12px; padding: 12px 14px; font-size: 14px; }

.progress { height: 6px; border-radius: 3px; background: #E8EAF0; overflow: hidden; }
.progress > div { height: 100%; border-radius: 3px; background: var(--accent); transition: width 0.2s; }

.choice {
  min-height: 112px; padding: 14px; border-radius: 14px; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: 6px; border: 1.5px solid var(--line-strong); background: #FFFFFF;
}
.choice[aria-pressed="true"] { border: 2px solid var(--accent); background: var(--accent-soft); }
.choice strong { font-size: 15px; }
.choice span { font-size: 12.5px; line-height: 1.4; color: var(--muted); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.card-dark { background: var(--ink); color: #FFFFFF; border-radius: 18px; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.card-accent { background: var(--accent); color: #FFFFFF; border-radius: 20px; padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; }
.card-dark .eyebrow { color: #C9CCF7; }
.card-accent .eyebrow { color: #DADCFB; }
.card-dark .progress { background: #2E3A5C; height: 8px; }
.card-dark .progress > div { background: #9EA2F5; }

.entry { border: 1px solid var(--line); border-radius: 14px; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: #FAFBFD; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 6px 6px 12px; border-radius: 999px; background: var(--accent-soft-2); color: var(--accent-dark); font-size: 13px; font-weight: 600; }
.chip button { width: 24px; height: 24px; border-radius: 12px; border: 0; background: transparent; cursor: pointer; color: var(--accent-dark); display: inline-flex; align-items: center; justify-content: center; }

.test-item {
  text-decoration: none; color: var(--ink); background: #FFFFFF; border: 1px solid var(--line); border-radius: 16px;
  padding: 14px; display: flex; align-items: center; gap: 12px;
}
.test-item:hover { color: var(--ink); border-color: #C6CBD6; }
.test-item.soon { opacity: 0.7; }
.test-icon { width: 46px; height: 46px; border-radius: 13px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.badge { padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.badge-done { background: var(--ok-soft); color: var(--ok); }
.badge-start { background: var(--accent); color: #FFFFFF; }
.badge-soon { background: #EEF0F4; color: var(--muted); }

.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.pair div { border-radius: 14px; padding: 16px; font-size: 14.5px; font-weight: 600; line-height: 1.4; }
.pair .l { background: var(--accent-soft); }
.pair .r { background: var(--warm-soft); text-align: right; }
.scale { display: flex; align-items: center; justify-content: space-between; }
.dot { border-radius: 50%; cursor: pointer; background: #FFFFFF; padding: 0; border-style: solid; border-width: 2.5px; }
.scale-labels { display: flex; justify-content: space-between; font-size: 12px; font-weight: 600; color: var(--muted); }
.likert { display: flex; flex-direction: column; gap: 10px; }
.likert button {
  min-height: 52px; border-radius: 14px; border: 1.5px solid var(--line-strong); background: #FFFFFF;
  text-align: left; padding: 0 16px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.likert button[aria-pressed="true"] { border: 2px solid var(--accent); background: var(--accent-soft); }

.bar { height: 8px; border-radius: 4px; background: #E8EAF0; overflow: hidden; }
.bar > div { height: 100%; border-radius: 4px; background: var(--accent); }
.dim-labels { display: flex; justify-content: space-between; font-size: 13px; }
.dim-labels .on { font-weight: 700; }
.dim-labels .off { color: var(--muted); }

.match { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-top: 1px solid #EEF0F4; }
.match .rank { width: 32px; height: 32px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-dark); font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.match .fit { font-size: 12px; font-weight: 700; color: var(--ok); background: var(--ok-soft); padding: 5px 9px; border-radius: 999px; white-space: nowrap; }
.match .fit.good { color: var(--accent-dark); background: var(--accent-soft-2); }
ul.plain { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 14px; line-height: 1.45; }

.select-btn { height: 44px; border-radius: 12px; cursor: pointer; border: 1.5px solid var(--line-strong); background: #FFFFFF; font-weight: 700; font-size: 14px; }
.select-btn[aria-pressed="true"] { border: 2px solid var(--accent); background: var(--accent-soft); }
.day-btn { height: 64px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.day-btn small { font-size: 11.5px; font-weight: 600; }
.day-btn b { font-size: 17px; }
.session-btn { min-height: 64px; padding: 12px 14px; text-align: left; display: flex; align-items: center; gap: 12px; }

.nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 480px;
  height: 80px; padding: 8px 12px 20px; background: #FFFFFF; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); z-index: 5;
}
.nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; text-decoration: none; color: var(--muted); font-size: 11.5px; font-weight: 600; }
.nav a.on { color: var(--accent); font-weight: 700; }

.spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--accent-soft-2); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
.loading { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 40px 0; color: var(--muted); font-size: 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }