:root {
  /* ScaleHub palette, applied as originally specified (light/paper-first) */
  --lime: #BEE436;
  --lime-bright: #C4EB42;
  --dark: #1A2E23;
  --dark-2: #0F1E16;
  --ink: #0B1410;
  --paper: #FFFFFF;
  --cream: #F5F3EE;
  --cream-2: #EFEDE6;
  --muted: #6B7268;
  --line: #E5E3DC;
  --ease: cubic-bezier(.16, 1, .3, 1);

  /* Semantic tokens used throughout the app */
  --bg: var(--cream);
  --surface: var(--paper);
  --surface-2: var(--cream-2);
  --text: var(--ink);
  --text-dim: var(--muted);
  --accent: var(--lime);
  --accent-ink: var(--ink);
  --accent-dim: rgba(190, 228, 54, .18);
  --chart-grid: rgba(11, 20, 16, .08);
  --danger: #C0362C;
  --danger-dim: #FBEAE8;
  --warning: #9A6B0C;
  --warning-dim: #FBF1DC;
  --success: #1F7A4D;
  --success-dim: #E4F5EB;
  --border: var(--line);
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.45;
}

.app {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px 70px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 1000px) {
  .app { padding: 32px 40px 80px; gap: 20px; }
}

#app-root {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

h1, h2, h3 { margin: 0 0 8px 0; text-wrap: balance; }
h1 { font-weight: 900; letter-spacing: -.03em; }
h2 { font-size: 17px; font-weight: 800; color: var(--text); letter-spacing: -.01em; }
h3 { font-size: 14px; color: var(--text-dim); font-weight: 700; }
p { margin: 4px 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: 0 1px 2px rgba(11, 20, 16, .04);
}

.grid { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 700px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.hidden { display: none !important; }

/* Section eyebrow label */
.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .24em;
  color: var(--text);
  margin: 4px 2px -2px;
}
.section-label .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  animation: dot-pulse 2.2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.75); }
}
@media (prefers-reduced-motion: reduce) {
  .section-label .dot { animation: none; }
}

/* lime-mark: sparing highlight for one hero figure */
.lime-mark {
  position: relative;
  display: inline-block;
  color: var(--text);
  font-weight: 800;
}
.lime-mark::after {
  content: "";
  position: absolute;
  left: -.06em;
  right: -.06em;
  bottom: 5%;
  height: 32%;
  background: var(--lime);
  border-radius: 4px;
  z-index: -1;
  transform-origin: left center;
  animation: lime-sweep .6s var(--ease) .1s both;
}
@keyframes lime-sweep {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .lime-mark::after { animation: none; transform: scaleX(1); }
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  cursor: pointer;
  transition: border-color .2s var(--ease), transform .15s var(--ease);
}
.btn:hover { border-color: var(--dark); transform: translateY(-1px); }
.btn-primary { background: var(--dark); border-color: var(--dark); color: var(--paper); }
.btn-primary:hover { background: var(--dark-2); border-color: var(--dark-2); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: var(--paper); }
.btn-small { padding: 8px 16px; font-size: 11px; }

/* Progress bars */
.progress-track {
  background: var(--surface-2);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.progress-fill {
  height: 100%;
  background: var(--lime);
  border-radius: 999px;
  transition: width .25s var(--ease);
}
.progress-fill.danger { background: var(--danger); }
.progress-fill.success { background: var(--success); }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
}

/* Profile card */
#profile-card .profile-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
}
#profile-card h1 { font-size: clamp(24px, 3.4vw, 32px); }
#profile-card .profile-weights {
  font-size: 14px;
  color: var(--text-dim);
}
#profile-card .profile-weights strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
}

/* KPI cards */
.kpi-icon-badge {
  width: 44px; height: 44px;
  border-radius: 13px;
  background: var(--dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 10px;
}
.kpi-value {
  font-size: clamp(32px, 4.6vw, 46px);
  font-weight: 900;
  margin: 2px 0;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.kpi-target { font-size: 12px; color: var(--text-dim); }
.kpi-actions { margin-top: 10px; display: flex; gap: 8px; align-items: center; }
.steps-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
}

/* Toggle switch */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-track {
  position: absolute; inset: 0; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: .2s;
}
.switch-track::before {
  content: ""; position: absolute; height: 18px; width: 18px; left: 2px; top: 2px;
  background: var(--text-dim); border-radius: 50%; transition: .2s;
}
.switch input:checked + .switch-track { background: var(--success-dim); border-color: var(--success); }
.switch input:checked + .switch-track::before { transform: translateX(20px); background: var(--success); }
.gluten-row { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }

/* Banners */
.banner {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.banner-danger { background: var(--danger-dim); color: var(--danger); border-color: var(--danger); }
.banner-warning { background: var(--warning-dim); color: var(--warning); border-color: var(--warning); }
.banner-info { background: var(--accent-dim); color: var(--dark); border-color: var(--lime); }
.banner-success { background: var(--success-dim); color: var(--success); border-color: var(--success); }
.banner .btn-primary { color: var(--paper); }

/* Supplement timeline */
.timeline-block { padding: 10px 0; border-bottom: 1px solid var(--border); }
.timeline-block:last-child { border-bottom: none; }
.timeline-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.timeline-time { font-weight: 800; }
.timeline-subtitle { font-size: 12px; color: var(--text-dim); }
.check-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 9px; cursor: pointer; font-size: 14px;
}
.check-item:hover { background: var(--surface-2); }
.check-item input { width: 17px; height: 17px; accent-color: var(--lime); cursor: pointer; }
.check-item.checked .check-label { color: var(--text-dim); text-decoration: line-through; }

/* Symptoms / notes */
.symptom-row { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 10px; }
.symptom-check { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.symptom-check input { width: 16px; height: 16px; accent-color: var(--warning); }
textarea#notes-input {
  width: 100%;
  min-height: 60px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}

/* Workout module */
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.pill {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  cursor: pointer;
}
.pill.active { border-color: var(--lime); color: var(--accent-ink); background: var(--lime); }
.pill.today::after { content: " • bugün"; font-size: 10px; text-transform: none; letter-spacing: 0; }
.exercise-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 13px; gap: 10px;
}
.exercise-row:last-child { border-bottom: none; }
.exercise-name { color: var(--text); }
.exercise-meta { color: var(--text-dim); white-space: nowrap; font-size: 12px; font-variant-numeric: tabular-nums; }
.exercise-note { display: block; font-size: 11px; color: var(--text-dim); margin-top: 2px; font-style: italic; }
.workout-summary {
  margin-top: 10px; padding: 12px; background: var(--success-dim);
  border: 1px solid var(--success); border-radius: 12px; font-size: 13px;
}
.form-row { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; min-width: 0; }
.form-row label { font-size: 12px; color: var(--text-dim); }
.form-row input[type="number"], .form-row input[type="text"] {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 8px 12px; font-size: 14px; font-family: inherit;
  width: 100%; min-width: 0;
}

.measure-input-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 12px;
}
@media (max-width: 420px) {
  .measure-input-grid { grid-template-columns: 1fr; }
}

/* Weekly measurements */
table.measure-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 12px; }
table.measure-table th, table.measure-table td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
table.measure-table th { color: var(--text-dim); font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; font-variant-numeric: normal; }
.insight-box {
  padding: 12px; border-radius: 12px; font-size: 13px;
  background: var(--accent-dim); border: 1px solid var(--lime); margin-top: 10px;
}
.hint-text { font-size: 13px; color: var(--text-dim); }

/* History charts */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 700px) {
  .chart-grid { grid-template-columns: repeat(2, 1fr); }
}
.chart-block h3 { margin-bottom: 10px; }
.chart-block canvas { width: 100% !important; height: 280px !important; }
@media (min-width: 1000px) {
  .chart-block canvas { height: 340px !important; }
}

/* JSON view */
#json-output {
  width: 100%;
  height: 260px;
  background: var(--ink);
  color: var(--lime-bright);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  white-space: pre;
}
.status-text { font-size: 12px; color: var(--dark); font-weight: 700; margin-bottom: 6px; display: inline-block; min-height: 14px; }

/* One-time load entrance (guaranteed to finish — never scroll-gated) */
.reveal { animation: fade-up .5s var(--ease) both; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; }
}