/* Workout Tracker — NGDL v1.2. Every colour is an alias of a --ngdl-* token from /ngdl/theme.css (hub brand-assets). */

:root {
  --wt-bg: var(--ngdl-bg-canvas);
  --wt-card: var(--ngdl-surface-card);
  --wt-nested: var(--ngdl-surface-elevated);
  --wt-border: var(--ngdl-border-subtle);
  --wt-border-active: var(--ngdl-border-active);
  --wt-text: var(--ngdl-text-primary);
  --wt-muted: var(--ngdl-text-secondary);
  --wt-faint: var(--ngdl-text-tertiary); /* placeholders only: fails 4.5:1 as body text */
  --wt-shadow: var(--ngdl-card-shadow);
  --wt-ok-bg: var(--ngdl-btn-success-bg);
  --wt-ok-fg: var(--ngdl-btn-success-fg);
  --wt-ok-text: var(--ngdl-status-success);
  --wt-ok-tint: color-mix(in srgb, var(--ngdl-status-success) 12%, var(--ngdl-surface-elevated));
  --wt-ok-line: color-mix(in srgb, var(--ngdl-status-success) 35%, transparent);
  --wt-danger: var(--ngdl-status-danger);
  --wt-ease: var(--ngdl-ease-spring);
  --wt-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --wt-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --wt-radius: 18px;
  --wt-max: 560px;
}

/* Light: status-success text on white is 3.3:1, so success-coloured text uses the darker button fill (5:1). */
[data-theme="light"] { --wt-ok-text: var(--ngdl-btn-success-bg); }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

body {
  background: var(--wt-bg);
  color: var(--wt-text);
  font-family: var(--wt-font);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color var(--ngdl-duration-sheet) var(--wt-ease), color var(--ngdl-duration-sheet) var(--wt-ease);
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--wt-border-active); outline-offset: 2px; }
.icon { display: block; flex-shrink: 0; }
[data-icon] { display: inline-flex; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--wt-muted); }
h1 { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
h2 { font-size: 15px; font-weight: 600; }

/* ── App header ── */
.app-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.75rem max(1rem, calc((100vw - var(--wt-max)) / 2));
  background: var(--ngdl-surface-overlay);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--wt-border);
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; letter-spacing: -0.01em; }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }

.tabs, .user-pills {
  display: flex; gap: 2px; padding: 3px;
  background: var(--wt-nested); border: 1px solid var(--wt-border); border-radius: 999px;
}
.tab-btn, .user-pill {
  background: transparent; border: none; border-radius: 999px;
  padding: 0.35rem 0.85rem; color: var(--wt-muted); font-weight: 500; font-size: 13px;
  transition: all var(--ngdl-duration-micro) var(--wt-ease);
}
.tab-btn:hover, .user-pill:hover { color: var(--wt-text); }
.tab-btn.active, .user-pill.active { background: var(--ngdl-btn-bg); color: var(--ngdl-btn-text); }

.icon-btn {
  width: 38px; height: 38px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--wt-card); border: 1px solid var(--wt-border); border-radius: 50%;
  color: var(--wt-muted); transition: all var(--ngdl-duration-micro) var(--wt-ease);
}
.icon-btn:hover { color: var(--wt-text); border-color: var(--wt-border-active); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn--quiet { background: transparent; border-color: transparent; width: 34px; height: 34px; }

/* ── Canvas ── */
.canvas { width: 100%; max-width: var(--wt-max); margin: 0 auto; padding: 1.5rem 1rem 7rem; }
.tab { display: none; flex-direction: column; gap: 1.25rem; }
.tab.active { display: flex; }
.section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; }

.card {
  background: var(--wt-card);
  border: 1px solid var(--wt-border);
  border-radius: var(--wt-radius);
  box-shadow: var(--wt-shadow);
  min-width: 0;
}

select, input[type="text"] {
  font-size: 16px; /* iOS Safari zooms the page on focus below 16px */
  background: var(--wt-nested); border: 1px solid var(--wt-border); border-radius: 10px;
  padding: 0.55rem 0.8rem; min-width: 0; outline: none;
  transition: border-color var(--ngdl-duration-micro) var(--wt-ease);
}
select:focus, input[type="text"]:focus { border-color: var(--wt-border-active); }
::placeholder { color: var(--wt-faint); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border: 1px solid transparent; border-radius: 10px; padding: 0.55rem 1rem; font-weight: 600;
  transition: transform var(--ngdl-duration-micro) var(--wt-ease);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--ngdl-btn-bg); color: var(--ngdl-btn-text); }

/* ── Log header ── */
.log-head { display: flex; flex-direction: column; gap: 0.2rem; }
.muscle-chip { position: relative; display: inline-flex; align-items: center; gap: 0.35rem; align-self: flex-start; }
.muscle-chip select {
  appearance: none; -webkit-appearance: none;
  background: transparent; border: none; padding: 0 1.6rem 0 0; margin-right: -1.6rem;
  font-size: 24px; font-weight: 700; letter-spacing: -0.02em; color: var(--wt-text);
  cursor: pointer; position: relative; z-index: 1;
}
.muscle-chip select option { background: var(--wt-card); color: var(--wt-text); font-size: 15px; }
.muscle-chip [data-icon] { color: var(--wt-muted); pointer-events: none; }

.meta-line {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem;
  font-family: var(--wt-mono); font-size: 13px; color: var(--wt-muted);
  font-variant-numeric: tabular-nums;
}
.date-chip { position: relative; cursor: pointer; border-bottom: 1px dashed var(--wt-border-active); }
.date-chip:hover { color: var(--wt-text); }
.date-chip input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; font-size: 16px; }

/* ── Exercise card ── */
.exercise-list { display: flex; flex-direction: column; gap: 1rem; }
.exercise-card { padding: 1.1rem 1.1rem 0.75rem; display: flex; flex-direction: column; gap: 0.7rem; }
.exercise-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; }
.exercise-title { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 0.75rem; row-gap: 0.1rem; min-width: 0; flex: 1; }
.exercise-title h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.exercise-last { font-family: var(--wt-mono); font-size: 12px; color: var(--wt-muted); }
.exercise-head .icon-btn { margin: -0.35rem -0.4rem 0 0; }

.set-list { display: flex; flex-direction: column; gap: 0.375rem; }
.set-row {
  display: flex; align-items: center; gap: 0.75rem;
  background: var(--wt-nested); border: 1px solid transparent; border-radius: 12px;
  padding: 0.4rem 0.45rem 0.4rem 0.8rem;
  transition: background-color var(--ngdl-duration-micro) var(--wt-ease), border-color var(--ngdl-duration-micro) var(--wt-ease);
}
.set-row.done { background: var(--wt-ok-tint); border-color: var(--wt-ok-line); }
.set-num { font-family: var(--wt-mono); font-size: 13px; font-weight: 600; color: var(--wt-muted); width: 1.1rem; }
.set-row.done .set-num { color: var(--wt-text); } /* green-on-green-tint is 3.98:1 in light; the filled check already signals done */

.set-metrics {
  flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 0.3rem;
  font-family: var(--wt-mono); font-variant-numeric: tabular-nums;
}
.set-input {
  background: transparent; border: none; border-bottom: 1px dashed transparent; border-radius: 0;
  font-family: var(--wt-mono); font-size: 16px; font-weight: 600; color: var(--wt-text);
  padding: 0.2rem 0; outline: none; min-width: 0; -moz-appearance: textfield;
}
.set-input::-webkit-outer-spin-button, .set-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.set-input:focus, .set-input:hover { border-bottom-color: var(--wt-border-active); }
.set-input--weight { width: 3.6rem; text-align: right; }
.set-input--reps { width: 2.6rem; }
.set-unit { font-size: 13px; color: var(--wt-muted); }
.set-times { font-size: 13px; color: var(--wt-muted); margin: 0 0.1rem; }

.check-circle {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--wt-card); border: 1.5px solid var(--wt-border-active); color: transparent;
  transition: all var(--ngdl-duration-micro) var(--wt-ease);
}
.check-circle:hover { color: var(--wt-muted); }
.check-circle:active { transform: scale(0.9); }
.set-row.done .check-circle { background: var(--wt-ok-bg); border-color: var(--wt-ok-bg); color: var(--wt-ok-fg); }

.add-set {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 0.35rem;
  background: transparent; border: none; padding: 0.45rem 0.3rem;
  color: var(--wt-muted); font-size: 13px; font-weight: 500;
}
.add-set:hover { color: var(--wt-text); }

.log-actions { display: flex; gap: 0.6rem; align-items: stretch; width: 100%; }
.add-exercise {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 0.4rem;
  background: transparent; border: 1px dashed var(--wt-border-active); border-radius: 14px;
  padding: 0.85rem 1rem; font-size: 14px; font-weight: 600; color: var(--wt-text);
  transition: background-color var(--ngdl-duration-micro) var(--wt-ease);
}
.add-exercise:hover { background: var(--ngdl-surface-glass); }

.voice-action-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 0.45rem;
  background: var(--wt-nested); border: 1px solid var(--wt-border); border-radius: 14px;
  padding: 0.85rem 1rem; font-size: 14px; font-weight: 600; color: var(--wt-text);
  transition: all var(--ngdl-duration-micro) var(--wt-ease);
}
.voice-action-btn:hover { border-color: var(--wt-border-active); }
.voice-action-btn:active { transform: scale(0.98); }

.voice-banner {
  display: flex; align-items: center; gap: 0.6rem; padding: 0.65rem 0.9rem;
  background: var(--wt-ok-tint); border: 1px solid var(--wt-ok-line); border-radius: 12px;
  font-family: var(--wt-mono); font-size: 13px; color: var(--wt-ok-text);
}
.voice-pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--wt-ok-text);
  box-shadow: 0 0 0 0 var(--wt-ok-line); animation: wt-pulse 1.4s infinite;
}
.voice-status { font-variant-numeric: tabular-nums; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.icon-btn.listening, .voice-action-btn.listening {
  background: var(--wt-ok-bg); color: var(--wt-ok-fg); border-color: var(--wt-ok-bg);
  animation: wt-pulse 1.4s infinite;
}

@keyframes wt-pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.add-exercise-form { display: flex; align-items: center; gap: 0.5rem; }
.add-exercise-form input { flex: 1; font-size: 16px; padding: 0.7rem 0.9rem; }

.empty-hint { color: var(--wt-muted); text-align: center; padding: 0.5rem 1rem; }

/* ── Floating capsule ── */
.capsule {
  position: fixed; left: 50%; bottom: calc(1.25rem + env(safe-area-inset-bottom)); transform: translateX(-50%);
  width: calc(100% - 2rem); max-width: calc(var(--wt-max) - 2rem); z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.5rem 0.5rem 0.5rem 1.25rem;
  background: var(--ngdl-surface-overlay); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--wt-border); border-radius: 999px; box-shadow: var(--wt-shadow);
}
.capsule-stats { display: flex; align-items: baseline; gap: 0.4rem; min-width: 0; font-family: var(--wt-mono); font-variant-numeric: tabular-nums; }
.capsule-num { font-size: 15px; font-weight: 700; white-space: nowrap; }
.capsule-label { font-size: 12px; color: var(--wt-muted); white-space: nowrap; }
.finish-pill {
  background: var(--wt-ok-bg); color: var(--wt-ok-fg); border: none; border-radius: 999px;
  padding: 0.6rem 1.35rem; font-weight: 600; flex-shrink: 0;
  transition: transform var(--ngdl-duration-micro) var(--wt-ease), opacity var(--ngdl-duration-micro);
}
.finish-pill:active { transform: scale(0.96); }
.finish-pill:disabled { background: var(--wt-nested); color: var(--wt-muted); cursor: not-allowed; }

/* ── Rest toast ── */
.rest-toast {
  position: absolute; left: 50%; top: calc(100% + 0.75rem); transform: translateX(-50%); /* child of the sticky header: never covers the tabs */
  display: flex; align-items: center; gap: 0.6rem; padding: 0.3rem 0.35rem 0.3rem 1rem;
  background: var(--wt-card); border: 1px solid var(--wt-border-active); border-radius: 999px; box-shadow: var(--wt-shadow);
  font-family: var(--wt-mono); font-size: 13px; color: var(--wt-muted);
}
.rest-time { color: var(--wt-ok-text); font-weight: 700; font-variant-numeric: tabular-nums; }
.rest-skip {
  width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: none; border-radius: 50%; color: var(--wt-muted);
}
.rest-skip:hover { color: var(--wt-text); background: var(--ngdl-surface-glass); }

/* ── Toast ── */
.toast {
  position: fixed; left: 50%; bottom: calc(5.5rem + env(safe-area-inset-bottom)); transform: translate(-50%, 8px); z-index: 50;
  max-width: calc(100% - 2rem); padding: 0.6rem 1.1rem; border-radius: 12px;
  background: var(--ngdl-btn-bg); color: var(--ngdl-btn-text); box-shadow: var(--wt-shadow);
  font-weight: 600; font-size: 13px; text-align: center;
  opacity: 0; pointer-events: none; transition: all 0.25s var(--wt-ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast--error { background: var(--wt-card); color: var(--wt-text); border: 1px solid var(--wt-danger); }

/* ── History ── */
.history-list { display: flex; flex-direction: column; gap: 1.25rem; }
.history-month-section { display: flex; flex-direction: column; gap: 0.5rem; }
.history-month-header {
  display: flex; align-items: center; justify-content: space-between; padding: 0.25rem 0.25rem;
  font-family: var(--wt-mono); font-size: 12px; font-weight: 600; color: var(--wt-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.history-month-count { font-size: 11px; opacity: 0.85; }
.history-month-items { display: flex; flex-direction: column; gap: 0.75rem; }
.wcard { overflow: hidden; }
.wcard-row { display: flex; align-items: center; gap: 0.25rem; padding-right: 0.5rem; }
.wcard-head {
  flex: 1; min-width: 0; display: flex; flex-wrap: wrap; align-items: center; column-gap: 0.65rem; row-gap: 0.25rem;
  background: transparent; border: none; text-align: left; padding: 0.95rem 0.5rem 0.95rem 1.1rem;
}
.wcard-date { font-weight: 600; }
.wcard-summary { flex-basis: 100%; font-family: var(--wt-mono); font-size: 12px; color: var(--wt-muted); font-variant-numeric: tabular-nums; }
.wcard-body { padding: 0 1.1rem 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.wcard-notes { color: var(--wt-muted); }
.wex { background: var(--wt-nested); border-radius: 12px; padding: 0.65rem 0.8rem; }
.wex-name { font-weight: 600; margin-bottom: 0.4rem; overflow-wrap: anywhere; }
.wex-sets { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.set-chip, .badge {
  font-family: var(--wt-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.02em;
  padding: 0.15rem 0.5rem; border-radius: 6px; border: 1px solid var(--wt-border);
  color: var(--wt-muted); background: var(--ngdl-surface-glass); white-space: nowrap;
}
.badge { color: var(--wt-text); text-transform: uppercase; font-size: 11px; }
.badge--pr { margin-left: 0.4rem; color: var(--wt-ok-text); border-color: var(--wt-ok-line); }
.empty-state { padding: 2rem 1.25rem; text-align: center; color: var(--wt-muted); }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.kpi { padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.kpi--wide { grid-column: 1 / -1; gap: 0.6rem; }
.kpi-label { font-family: var(--wt-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--wt-muted); }
.kpi-value { font-family: var(--wt-mono); font-size: 28px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi-value--sm { font-size: 18px; }

.bar-row { display: grid; grid-template-columns: minmax(0, 6.5rem) minmax(0, 1fr) 2rem; align-items: center; gap: 0.75rem; }
.bar-label { font-size: 13px; color: var(--wt-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: 8px; border-radius: 4px; background: var(--wt-nested); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; background: var(--wt-muted); }
.bar-fill--top { background: var(--wt-ok-bg); }
.bar-count { font-family: var(--wt-mono); font-size: 13px; color: var(--wt-muted); text-align: right; }

.search-card { padding: 1.1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.search-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.search-row input { flex: 1 1 12rem; }
.search-empty { padding: 0.5rem 0; }

.range-pills { display: flex; align-items: center; gap: 0.35rem; margin: 0.5rem 0; overflow-x: auto; }
.range-pill {
  font-family: var(--wt-mono); font-size: 11px; font-weight: 600; padding: 0.25rem 0.6rem;
  border-radius: 999px; border: 1px solid var(--wt-border); background: var(--wt-nested);
  color: var(--wt-muted); cursor: pointer; transition: all var(--ngdl-duration-micro) var(--wt-ease);
}
.range-pill:hover { color: var(--wt-text); border-color: var(--wt-border-active); }
.range-pill.active { background: var(--ngdl-btn-bg); color: var(--ngdl-btn-text); border-color: var(--ngdl-btn-bg); }

.pr-banner {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center;
  padding: 0.65rem 0.85rem; background: var(--wt-nested); border: 1px solid var(--wt-border);
  border-radius: 10px; margin-bottom: 0.5rem;
}
.pr-stat { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 12px; font-family: var(--wt-mono); }
.pr-icon { color: var(--wt-ok-text); display: inline-flex; }
.pr-label { color: var(--wt-muted); }
.pr-val { font-weight: 700; color: var(--wt-text); }

.table-wrap { overflow-x: auto; margin: 0 -1.1rem; padding: 0 1.1rem; }
.ex-table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.ex-table th {
  text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--wt-border);
  font-family: var(--wt-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--wt-muted);
}
.ex-table td { padding: 0.5rem; border-bottom: 1px solid var(--wt-border); white-space: nowrap; }
.ex-table tr:last-child td { border-bottom: none; }
.ex-table-name { white-space: normal; }

@media (max-width: 480px) {
  .app-header { padding: 0.6rem 1rem; }
  .tabs { order: 3; flex-basis: 100%; justify-content: space-between; }
  .tab-btn { flex: 1; }
  /* Secondary table columns (exercise, volume) move out of the way on phones. */
  .ex-table th:nth-child(2), .ex-table td:nth-child(2), .ex-table th:nth-child(6), .ex-table td:nth-child(6) { display: none; }
}