:root {
  color-scheme: light;
  --ink: #17221d;
  --muted: #667169;
  --line: #d7ddd3;
  --paper: #f4f6f1;
  --surface: #ffffff;
  --accent: #d8f36b;
  --accent-dark: #a7bf3e;
  --danger: #a43c2d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }

body { margin: 0; overflow-x: hidden; background: var(--paper); }

button, input, select { font: inherit; }

button, select, input { min-height: 44px; }

button { cursor: pointer; }

:focus-visible { outline: 3px solid #557719; outline-offset: 2px; }

.site-header {
  align-items: center;
  background: var(--ink);
  color: #f8faf4;
  display: flex;
  justify-content: space-between;
  min-height: 64px;
  padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-left), calc((100vw - 960px) / 2)) max(12px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-right), calc((100vw - 960px) / 2));
  gap: 12px;
}

.brand { align-items: center; color: inherit; display: flex; font-weight: 750; gap: 9px; min-width: 0; text-decoration: none; }
.brand > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-mark { align-items: center; background: var(--accent); border-radius: 8px; color: var(--ink); display: inline-flex; font-size: 11px; height: 30px; justify-content: center; letter-spacing: .04em; width: 30px; }
.sync-status { color: #d8e3d9; font-size: .82rem; max-width: 48%; text-align: right; }
.sync-status[data-tone="success"] { color: var(--accent); }
.sync-status[data-tone="error"] { color: #ffc0b4; }

.app-shell { margin: 0 auto; max-width: 960px; padding: 24px max(16px, env(safe-area-inset-left)) max(56px, calc(56px + env(safe-area-inset-bottom))) max(16px, env(safe-area-inset-right)); width: 100%; }
.idle-panel { padding: 30px 0 22px; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 9vw, 3.6rem); letter-spacing: -.05em; line-height: .98; margin-bottom: 12px; }
h2 { font-size: 1.1rem; letter-spacing: -.02em; margin-bottom: 3px; }
.muted { color: var(--muted); }
.small-text { font-size: .82rem; }

.button { align-items: center; border: 1px solid transparent; border-radius: 10px; display: inline-flex; font-weight: 700; justify-content: center; min-height: 46px; padding: 9px 15px; transition: background .15s ease, border-color .15s ease; }
.button-primary { background: var(--ink); color: white; width: 100%; }
.button-primary:hover { background: #2d3b32; }
.button-secondary { background: var(--surface); border-color: var(--line); color: var(--ink); }
.button-secondary:hover { border-color: var(--accent-dark); }
.button-quiet { background: transparent; color: var(--muted); padding-inline: 8px; }
.button-small { font-size: .78rem; min-height: 36px; padding: 6px 9px; }

.pending-panel, .settings, .exercise-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.pending-panel { align-items: center; display: flex; gap: 12px; justify-content: space-between; margin-top: 20px; padding: 14px; }
.pending-panel p { font-size: .9rem; margin-bottom: 0; }
.settings { margin-top: 18px; padding: 14px; }
.settings summary { cursor: pointer; font-weight: 700; }
.settings-form { display: grid; gap: 10px; margin-top: 14px; }
label { color: var(--muted); display: grid; font-size: .8rem; font-weight: 700; gap: 5px; }
input, select { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); min-width: 0; padding: 8px 9px; width: 100%; }
input:invalid { border-color: #d68b7e; }

.workout-header { align-items: end; display: flex; justify-content: space-between; margin-bottom: 20px; gap: 12px; }
.workout-header h1 { font-size: 2rem; margin-bottom: 0; }
.workout-meta { font-size: .82rem; margin: 0; white-space: nowrap; }
.workout-meta strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.exercise-list { display: grid; gap: 16px; }
.exercise-card { padding: 14px; }
.exercise-header { align-items: start; display: flex; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.variant-line { color: var(--muted); font-size: .82rem; }
.variant-line select { min-height: 36px; padding-block: 5px; width: auto; }
.variant-label { display: inline-block; padding-top: 5px; }
.exercise-actions { align-items: end; display: flex; flex-direction: column; gap: 4px; }
.exercise-actions select { font-size: .78rem; min-height: 36px; padding: 5px 7px; width: auto; }
.set-table { max-width: 100%; overflow-x: hidden; }
.set-head, .set-row { align-items: center; display: grid; gap: 6px; grid-template-columns: 30px minmax(56px, .8fr) minmax(52px, .7fr) minmax(64px, .8fr) minmax(84px, 1fr) minmax(110px, 2fr) auto; min-width: 0; }
.set-head { color: var(--muted); font-size: .7rem; font-weight: 700; padding: 0 0 5px; text-transform: uppercase; }
.set-row { margin-bottom: 6px; }
.set-row input, .set-row select { min-height: 40px; padding: 6px; }
.set-number { color: var(--muted); font-size: .82rem; text-align: center; }
.set-row .button { justify-self: end; }
.exercise-card > .button { margin-top: 8px; }
.workout-footer { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 18px; }
.workout-actions { display: flex; gap: 10px; }
.workout-actions .button-primary { flex: 1; }
.button-danger { background: transparent; border-color: #e4b4aa; color: var(--danger); }
.button-danger:hover { background: #fff2ef; border-color: var(--danger); }
.button:disabled { cursor: not-allowed; opacity: .5; }
.workout-hint { margin: 10px 0 0; }

.exercise-picker { border: 0; border-radius: 16px; box-shadow: 0 20px 80px #17221d33; max-width: calc(100vw - 32px); padding: 20px; width: 430px; }
.exercise-picker::backdrop { background: #17221d66; }
.picker-options { display: grid; gap: 8px; margin: 18px 0; }
.picker-options .button { justify-content: flex-start; }

@media (min-width: 680px) {
  .app-shell { padding-top: 44px; }
  .idle-panel { padding: 60px 0 34px; }
  .settings-form { align-items: end; grid-template-columns: 1fr auto; }
  .settings-form .small-text { grid-column: 1 / -1; }
}

@media (max-width: 679px) {
  .set-table { overflow-x: hidden; }
  .set-head { display: none; }
  .set-row { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; display: grid; gap: 8px; grid-template-columns: 24px minmax(0, 1fr) minmax(0, 1.25fr) auto; min-width: 0; padding: 8px; }
  .set-number { grid-column: 1; grid-row: 1; }
  .set-row > input:nth-child(2) { grid-column: 2; grid-row: 1; }
  .set-row > input:nth-child(3) { grid-column: 3; grid-row: 1; }
  .set-row > select:nth-child(4) { grid-column: 4; grid-row: 1; }
  .set-row > select:nth-child(5) { grid-column: 2; grid-row: 2; }
  .set-row > input:nth-child(6) { grid-column: 3; grid-row: 2; }
  .set-row > .button { grid-column: 4; grid-row: 2; justify-self: stretch; min-height: 44px; padding-inline: 6px; }
  .set-row input, .set-row select { min-height: 44px; }
  .workout-header { align-items: start; flex-direction: column; gap: 6px; }
  .workout-meta { white-space: normal; }
}

@media (max-width: 479px) {
  .site-header { gap: 8px; }
  .sync-status { font-size: .72rem; max-width: 42%; }
  .pending-panel { align-items: stretch; flex-direction: column; }
  .pending-panel .button { width: 100%; }
  .exercise-card { border-radius: 12px; padding: 12px; }
  .exercise-header { flex-direction: column; }
  .exercise-actions { align-items: stretch; flex-direction: row; flex-wrap: wrap; width: 100%; }
  .exercise-actions select { flex: 1 1 170px; width: auto; }
  .exercise-actions .button { flex: 0 0 auto; }
  .workout-actions { align-items: stretch; flex-direction: column-reverse; }
}