/* ============================================================
   LIFT — calm, generous, restrained.
   A lifter's notebook. Light cream paper. One typeface.
   ============================================================ */

:root {
  /* PAPER */
  --paper:     #F5F1E8;
  --paper-2:   #FBF8F0;     /* slightly elevated card */
  --paper-3:   #FFFFFF;     /* highest elevation */
  --hairline:  #E1DBCD;
  --hairline-soft: #ECE6D6;

  /* INK */
  --ink:       #1B1916;
  --ink-soft:  #4A463F;
  --ink-mid:   #7A7468;
  --ink-dim:   #A39C8C;
  --ink-faint: #C9C2B0;

  /* THE ONE ACCENT — deep terracotta. Quiet. Earned. */
  --accent:        #984A38;
  --accent-deep:   #6F3326;
  --accent-soft:   #C58370;
  --accent-tint:   rgba(152, 74, 56, 0.10);

  /* MUTED STATUS COLORS — kept dusty, never primary */
  --moss:      #5C7240;
  --moss-tint: rgba(92,114,64,0.10);
  --brass:     #A07A2E;
  --brass-tint:rgba(160,122,46,0.10);
  --slate:     #6B7280;
  --plum:      #6E4665;
  --sky:       #4F7993;

  /* TYPE — single family, multiple weights */
  --font: "Onest", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* SPACE */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 28px;
  --s-7: 40px;
  --s-8: 56px;
  --s-9: 80px;

  /* RADII — rounded but quiet */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:     #14130F;
    --paper-2:   #1C1B17;
    --paper-3:   #232220;
    --hairline:  #2C2A26;
    --hairline-soft: #232220;
    --ink:       #EDE8DC;
    --ink-soft:  #C5BFAF;
    --ink-mid:   #8F8979;
    --ink-dim:   #6F6A5C;
    --ink-faint: #4A4639;
    --accent:        #C76A53;
    --accent-deep:   #9A4A38;
    --accent-soft:   #E89B85;
    --accent-tint:   rgba(199, 106, 83, 0.14);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeLegibility;
  /* Hard-clip horizontal overflow at the document root. iOS Safari
     sometimes ignores body-only overflow-x: hidden; clipping html as
     well stops the page from ever scrolling sideways. */
  overflow-x: clip;
  overflow-x: hidden;
  max-width: 100vw;
}

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  font-feature-settings: "ss01", "kern", "liga";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom, 0);
  overflow-x: clip;
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
}

/* ============================================================
   TYPE
   ============================================================ */

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover { text-decoration: underline; text-decoration-thickness: 1px; }

::selection { background: var(--accent-tint); color: var(--ink); }

h1, h2, h3, h4 { font-family: var(--font); font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: 1.75rem; line-height: 1.1; font-weight: 800; }
h2 { font-size: 1.15rem; line-height: 1.25; font-weight: 700; }
h3 { font-size: 0.95rem; line-height: 1.3; font-weight: 600; }
h1 + p, h2 + p, h3 + p { margin-top: var(--s-2); }
p { margin: 0; }
p + p { margin-top: var(--s-3); }

.muted, .small, small { color: var(--ink-mid); font-size: 0.875rem; }
.tiny { font-size: 0.78rem; color: var(--ink-mid); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mid);
}

.numeric, .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

code, kbd { font-family: var(--font-mono); font-size: 0.88em; }

/* ============================================================
   LAYOUT
   ============================================================ */

main {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--s-5) var(--s-4) var(--s-9);
  min-width: 0;
}
@media (min-width: 720px) {
  main { padding: var(--s-7) var(--s-5) var(--s-9); }
}

/* Anything that could be wider than the viewport — tables, code,
   pre, very long names — gets clipped to its parent. */
table, pre, .narrative {
  max-width: 100%;
}

/* ============================================================
   TOPBAR — quiet, not sticky-loud
   ============================================================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: stretch;
  gap: var(--s-2);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--hairline);
  padding-top: env(safe-area-inset-top, 0);
  max-width: 100vw;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 12px var(--s-4);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  border-right: 1px solid var(--hairline-soft);
}
.brand:hover { text-decoration: none; }
.brand::after {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 6px;
  align-self: center;
}

.nav-scroll {
  display: flex;
  gap: 0;
  flex: 1 1 0;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
  /* Soft fade at the right edge to indicate "more nav this way".
     Uses mask so it doesn't paint a gradient and doesn't break in
     old browsers. */
  -webkit-mask-image: linear-gradient(to right, black 0, black calc(100% - 16px), transparent 100%);
          mask-image: linear-gradient(to right, black 0, black calc(100% - 16px), transparent 100%);
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-scroll a {
  flex: 0 0 auto;
  padding: 12px 11px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-mid);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.12s, border-color 0.12s;
  white-space: nowrap;
}
.nav-scroll a:first-child { padding-left: var(--s-2); }
.nav-scroll a:last-child  { padding-right: var(--s-5); /* room for the mask fade */ }
.nav-scroll a:hover, .nav-scroll a:focus-visible {
  color: var(--ink);
  text-decoration: none;
}
.nav-scroll a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ============================================================
   CARDS — paper, no fluff
   ============================================================ */

.card {
  margin: var(--s-4) 0;
  padding: var(--s-5);
  background: var(--paper-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  /* Tables inside cards may exceed card width on narrow viewports;
     allow the card to scroll its own contents instead of pushing the
     page wider. */
  overflow-x: auto;
}
.card > h2:first-child { margin-bottom: var(--s-2); }
.card > .eyebrow:first-child + h2 { margin-top: var(--s-2); margin-bottom: var(--s-3); }

.card-tight { padding: var(--s-4); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  line-height: 1;
  padding: 14px 18px;
  min-height: 48px;
  border: 1px solid var(--hairline);
  background: var(--paper-3);
  color: var(--ink);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: transform 0.06s, background 0.12s, border-color 0.12s, box-shadow 0.12s;
}
.btn:hover, .btn:focus-visible {
  background: var(--paper-2);
  text-decoration: none;
  border-color: var(--ink-faint);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #FFF8F2;
  box-shadow: 0 1px 0 var(--accent-deep) inset, 0 6px 16px -8px rgba(152,74,56,0.5);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #FFF8F2;
}

.btn-secondary {
  background: transparent;
  border-color: var(--hairline);
  color: var(--ink-soft);
  font-size: 0.88rem;
  padding: 11px 14px;
  min-height: 42px;
  font-weight: 500;
}
.btn-secondary:hover { color: var(--ink); border-color: var(--ink-faint); background: var(--paper-2); }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-mid);
  font-weight: 500;
}
.btn-ghost:hover { color: var(--ink); background: var(--paper-2); }

.btn-block { display: flex; width: 100%; }
.btn-row { display: flex; gap: var(--s-2); flex-wrap: wrap; }
.btn-row .btn { flex: 1 1 auto; }

/* ============================================================
   STATUS PILLS — barely-there
   ============================================================ */

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--ink-mid);
  border-radius: 99px;
  white-space: nowrap;
  text-transform: lowercase;
}
.status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
  opacity: 0.75;
}
.status-completed   { color: var(--moss);  background: var(--moss-tint); border-color: transparent; }
.status-partial     { color: var(--brass); background: var(--brass-tint); border-color: transparent; }
.status-skipped     { color: var(--ink-mid); }
.status-deferred    { color: var(--plum); }
.status-extra       { color: var(--sky); }
.status-planned     { color: var(--ink-mid); }
.status-in_progress { color: var(--accent); background: var(--accent-tint); border-color: transparent; }
.status-deload      { color: var(--plum); }

/* ============================================================
   TABLES — minimal, no chrome
   ============================================================ */

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
table th, table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--hairline-soft);
  text-align: left;
  vertical-align: top;
}
table th {
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--ink-mid);
  border-bottom-color: var(--hairline);
  letter-spacing: 0;
  text-transform: none;
}
table tr:last-child td { border-bottom: none; }

table.prescribed td:nth-child(n+2),
table.prescribed th:nth-child(n+2) {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
  font-size: 0.92rem;
}

table.sessions-list td:first-child {
  font-weight: 600;
  width: 2.5em;
}
table.sessions-list td:first-child a { color: var(--ink); }
table.sessions-list td.numeric, table.sessions-list td:nth-child(2) {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink-mid);
}

/* ============================================================
   HOME — calm hero
   ============================================================ */

.today {
  margin-top: var(--s-4);
  margin-bottom: var(--s-7);
}
.today .eyebrow { margin-bottom: var(--s-3); }
.today h1 {
  font-size: clamp(2rem, 9vw, 2.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: var(--s-2);
}
.today h1 .accent { color: var(--accent); }
.today .meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-mid);
  margin-bottom: var(--s-5);
}
.today .meta .sep { color: var(--ink-faint); padding: 0 6px; }

.today .preview {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: var(--s-3) 0;
  margin-bottom: var(--s-5);
}
.today .preview ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
.today .preview li {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  padding: 8px 0;
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--hairline-soft);
}
.today .preview li:last-child { border-bottom: none; }
.today .preview .pos {
  flex: 0 0 auto;
  width: 1.6em;
  font-family: var(--font-mono);
  color: var(--ink-mid);
  font-size: 0.82rem;
}
.today .preview .name { flex: 1; color: var(--ink); }
.today .preview .pres {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-mid);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.today .start-cta { width: 100%; }

/* ============================================================
   LIVE WORKOUT VIEW
   ============================================================ */

.session-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--ink-mid);
  margin-bottom: var(--s-4);
}
.session-back:hover { color: var(--ink); text-decoration: none; }

.session-header { margin-bottom: var(--s-6); }
.session-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-bottom: var(--s-1);
}
.session-title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  flex: 0 1 auto;
  min-width: 0;
}
.session-date {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--ink-mid);
  margin: 0;
}

/* ----------- exercise block ----------- */

.exercise-block {
  position: relative;
  padding: var(--s-5);
  background: var(--paper-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  margin: var(--s-3) 0;
}
.exercise-block.skipped, .exercise-block.deferred {
  opacity: 0.55;
  background: transparent;
}

.exercise-head {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  margin-bottom: var(--s-2);
  flex-wrap: wrap;
}
.exercise-block .position {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mid);
  font-weight: 500;
}
.exercise-block .name {
  flex: 1 1 auto;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  min-width: 0;
}

.target-line {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
  color: var(--ink-soft);
  letter-spacing: -0.005em;
  margin-bottom: var(--s-4);
}
.target-line .x { color: var(--ink-mid); padding: 0 2px; }
.target-line .at { color: var(--ink-mid); padding: 0 4px; }
.target-line .meta { color: var(--ink-mid); font-size: 0.84rem; }
.target-line .sep { color: var(--ink-faint); padding: 0 6px; }

/* ----------- sets logged (small chips) ----------- */

.sets-logged {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--s-4);
}
.set-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px 10px;
  background: var(--moss-tint);
  color: var(--moss);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  border-radius: 99px;
  letter-spacing: -0.01em;
}
.set-chip .num { font-weight: 600; }
.set-chip .rir { color: var(--ink-mid); font-size: 0.74rem; }
.set-chip.skipped, .set-chip.deferred {
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--ink-mid);
}

/* ----------- the form ----------- */

.set-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}

.set-form .field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.set-form .field-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-mid);
  letter-spacing: -0.005em;
}

.stepper {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  align-items: stretch;
  background: var(--paper-3);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  overflow: hidden;
  height: 56px;
  transition: border-color 0.12s;
}
.stepper:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.stepper button {
  background: transparent;
  border: none;
  color: var(--ink-soft);
  font-family: var(--font);
  font-size: 1.5rem;
  font-weight: 500;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: background 0.08s, color 0.08s;
}
.stepper button:hover { background: var(--paper-2); color: var(--ink); }
.stepper button:active { background: var(--accent-tint); color: var(--accent); }
.stepper input {
  background: transparent;
  border: none;
  color: var(--ink);
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  text-align: center;
  letter-spacing: -0.02em;
  -moz-appearance: textfield;
  min-width: 0;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper input:focus { outline: none; }

/* ----------- RIR slider ----------- */

.rir-row { grid-column: 1 / -1; margin-top: var(--s-1); }
.rir-out {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: -0.01em;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 28px;
  background: transparent;
  cursor: pointer;
  margin-top: 2px;
  --pct: var(--rir-pct, 40%);
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(to right, var(--accent) 0, var(--accent) var(--pct), var(--hairline) var(--pct), var(--hairline) 100%);
  border-radius: 99px;
}
input[type="range"]::-moz-range-track { height: 4px; background: var(--hairline); border-radius: 99px; }
input[type="range"]::-moz-range-progress { height: 4px; background: var(--accent); border-radius: 99px; }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  background: var(--paper-3);
  border: 2px solid var(--accent);
  border-radius: 50%;
  margin-top: -9px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
  transition: transform 0.08s;
}
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.1); }
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--paper-3);
  border: 2px solid var(--accent);
  border-radius: 50%;
}

/* ----------- submit + actions ----------- */

.submit-row {
  grid-column: 1 / -1;
  margin-top: var(--s-2);
}
.submit-row button {
  width: 100%;
  height: 54px;
  font-size: 0.95rem;
}

.action-row {
  display: flex;
  gap: var(--s-2);
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--hairline-soft);
}
.action-row form { flex: 1; }
.action-row .btn-secondary { width: 100%; font-size: 0.82rem; }

/* ============================================================
   FORMS — generic
   ============================================================ */

input, textarea, select {
  background: var(--paper-3);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 1rem;
  width: 100%;
  min-height: 48px;
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
textarea {
  font-family: var(--font);
  line-height: 1.5;
  resize: vertical;
  min-height: 100px;
}

label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin: var(--s-3) 0 6px;
}
label input, label textarea, label select { margin-top: 4px; font-weight: 400; }
label .lbl { display: inline-block; margin-bottom: 4px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--s-3);
}

.metrics-form input { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 1.1rem; }

/* ============================================================
   ISSUES
   ============================================================ */

ul.issues { list-style: none; padding: 0; margin: 0; }
ul.issues li {
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--hairline-soft);
}
ul.issues li:last-child { border-bottom: none; }
ul.issues li .issue-head {
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin-bottom: 2px;
}
ul.issues li .issue-head strong {
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
ul.issues li .issue-foot {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-2);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-mid);
}
ul.issues li.closed { opacity: 0.55; }

/* ============================================================
   PROGRAM — sessions stacked
   ============================================================ */

section.session h2 {
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
  flex-wrap: wrap;
}

details.card > summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
}
details.card > summary::-webkit-details-marker { display: none; }
details.card[open] > summary {
  margin-bottom: var(--s-3);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--hairline-soft);
}

/* ============================================================
   NARRATIVE / PRE
   ============================================================ */

.narrative {
  white-space: pre-wrap;
  font-family: var(--font-mono);
  background: var(--paper-3);
  border: 1px solid var(--hairline);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--ink-soft);
  overflow-x: auto;
}

/* ============================================================
   CLAUDE DIFF
   ============================================================ */

ul.diff { list-style: none; padding: 0; margin: 0; }
ul.diff li.diff-entry {
  padding: var(--s-3) var(--s-4);
  margin: var(--s-2) 0;
  background: var(--paper-3);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-sm);
}
ul.diff li.diff-revision_add        { border-left-color: var(--moss); }
ul.diff li.diff-issue_open          { border-left-color: var(--brass); }
ul.diff li.diff-issue_close         { border-left-color: var(--ink-faint); }
ul.diff li.diff-prescription_update { border-left-color: var(--accent); }
ul.diff li.diff-error               { border-left-color: var(--accent-deep); background: var(--accent-tint); }

ul.diff .diff-summary {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
ul.diff .kind-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  background: var(--paper);
  border: 1px solid var(--hairline);
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: var(--s-2);
  color: var(--ink-mid);
}
ul.diff .diff-details {
  margin: var(--s-2) 0 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-mid);
}
ul.diff .diff-details li { padding: 2px 0; }
ul.diff .diff-error-msg {
  margin-top: var(--s-2);
  color: var(--accent-deep);
  font-size: 0.86rem;
}

/* ============================================================
   REST TIMER — unobtrusive bottom bar
   ============================================================ */

.rest-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  padding-bottom: calc(var(--s-3) + env(safe-area-inset-bottom, 0));
  background: var(--paper-3);
  color: var(--ink);
  border-top: 1px solid var(--hairline);
  box-shadow: 0 -8px 24px -16px rgba(0,0,0,0.18);
  animation: rest-rise 0.28s ease-out;
}
@keyframes rest-rise {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}
.rest-bar.hidden { display: none; }
.rest-label {
  font-size: 0.78rem;
  color: var(--ink-mid);
  font-weight: 500;
}
.rest-time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
  flex: 1;
  letter-spacing: -0.01em;
}
.rest-skip {
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--ink-soft);
  font-family: var(--font);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: var(--r-md);
  cursor: pointer;
  min-height: 38px;
}
.rest-skip:hover { background: var(--paper-2); color: var(--ink); }

/* ============================================================
   STATS — chart sizing
   ============================================================ */

#chart-volume, #chart-strength, #chart-bodyweight, #chart-pain {
  width: 100% !important;
  margin-top: var(--s-3);
}

/* ============================================================
   LOGIN / 401
   ============================================================ */

.login-shell {
  max-width: 360px;
  margin: 14vh auto 0;
  text-align: center;
}
.login-shell .lock-mark {
  display: inline-block;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #FFF8F2;
  font-weight: 700;
  font-size: 1rem;
  line-height: 36px;
  border-radius: 50%;
  letter-spacing: 0;
  margin-bottom: var(--s-4);
}
.login-shell h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--s-1);
}
.login-shell .login-sub {
  font-size: 0.85rem;
  color: var(--ink-mid);
  margin-bottom: var(--s-6);
}
.login-card {
  text-align: left;
  padding: var(--s-5);
  background: var(--paper-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
}
.login-error {
  font-size: 0.86rem;
  color: var(--accent-deep);
  margin-top: var(--s-2);
}

/* ============================================================
   METRIC HERO LINE
   ============================================================ */

.metric-line {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
  margin: var(--s-2) 0 0;
}
.metric-num {
  font-weight: 800;
  font-size: 2rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--ink);
}
.metric-unit { font-size: 0.86rem; color: var(--ink-mid); margin-left: 2px; }
.metric-sep { color: var(--ink-faint); padding: 0 6px; }

/* ============================================================
   FINISH CARD
   ============================================================ */

.finish-card {
  margin-top: var(--s-7);
  background: var(--paper-3);
}
.finish-card label { display: block; }

/* ============================================================
   HELPERS
   ============================================================ */

.flex { display: flex; }
.between { display: flex; align-items: baseline; justify-content: space-between; }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }
.center { text-align: center; }
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); }
.dim { color: var(--ink-mid); }
.row { display: flex; align-items: baseline; gap: var(--s-3); flex-wrap: wrap; }
.row-tight { display: flex; align-items: baseline; gap: var(--s-2); flex-wrap: wrap; }
.spread { margin-left: auto; }
.inline-form { display: inline; }
.no-grow { flex: 0 0 auto; }
.grow { flex: 1; }

.card-success { border-color: var(--moss); border-left: 3px solid var(--moss); }
.card-error   { border-color: var(--accent-deep); background: var(--accent-tint); }
.card-error h2 { color: var(--accent-deep); }

textarea.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 380px) {
  main { padding: var(--s-4) var(--s-3) var(--s-9); }
  .card { padding: var(--s-4); }
  .stepper { grid-template-columns: 44px 1fr 44px; height: 52px; }
  .stepper button { font-size: 1.3rem; }
  .stepper input { font-size: 1.15rem; }
  .session-title { font-size: 1.4rem; }
}

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