/* Quarter Past — mobile-first styles */

:root {
  color-scheme: light dark;

  --green: #0f3d2e;
  --green-2: #16523e;
  --on-green: #f3efe4;
  --on-green-muted: rgba(243, 239, 228, 0.72);

  --bg: #f4f1ea;
  --surface: #fffdf8;
  --surface-2: #ece8de;
  --text: #1b2620;
  --muted: #5f6b64;
  --line: rgba(15, 61, 46, 0.12);
  --shadow: 0 1px 2px rgba(15, 40, 30, 0.06), 0 4px 16px rgba(15, 40, 30, 0.06);

  /* Accent: a warm persimmon against the deep green */
  --accent: #c4502a;
  --accent-press: #a8421f;
  --on-accent: #fff8f2;
  --focus: #e0874f;

  --danger: #b3261e;
  --danger-bg: rgba(179, 38, 30, 0.08);

  --work: #0f3d2e;
  --work-bg: #e3eee6;
  --rest: #2c5a8a;
  --rest-bg: #e3ebf5;

  --heat: 22, 120, 84; /* rgb triplet tinted by --a */
  --heat-empty: #e6e2d8;

  --chip-legs-bg: #e5efe0;   --chip-legs-fg: #2f5b22;
  --chip-push-bg: #f8e6dc;   --chip-push-fg: #8a3a17;
  --chip-core-bg: #f6efd2;   --chip-core-fg: #6f5a0d;
  --chip-stretch-bg: #e2ecf4; --chip-stretch-fg: #2c5272;
  --chip-other-bg: #ebe7ef;  --chip-other-fg: #554a63;

  --radius: 18px;
  --radius-sm: 12px;
  --tabbar-h: 60px;
  --gutter: 16px;
  --max: 520px;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --green: #0f3d2e;
    --green-2: #13493a;
    --bg: #0c1512;
    --surface: #14201b;
    --surface-2: #1c2a24;
    --text: #e9ece6;
    --muted: #93a39a;
    --line: rgba(233, 236, 230, 0.1);
    --shadow: none;

    --accent: #f08a5d;
    --accent-press: #e0744a;
    --on-accent: #1d0e06;
    --focus: #f4a77f;

    --danger: #ff8a80;
    --danger-bg: rgba(255, 138, 128, 0.1);

    --work: #7fd3a8;
    --work-bg: #163126;
    --rest: #8fbbe8;
    --rest-bg: #152434;

    --heat: 98, 201, 146;
    --heat-empty: #1c2a24;

    --chip-legs-bg: #1d3320;   --chip-legs-fg: #a9d79a;
    --chip-push-bg: #3a2318;   --chip-push-fg: #f2b08d;
    --chip-core-bg: #352f15;   --chip-core-fg: #e6cf74;
    --chip-stretch-bg: #172a3a; --chip-stretch-fg: #9cc5e6;
    --chip-other-bg: #262230;  --chip-other-fg: #c4b8d6;
  }
}

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--green); /* shows during iOS overscroll at the top */
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; line-height: 1.15; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

/* ---------- header ---------- */

header.top {
  background: var(--green);
  color: var(--on-green);
  padding:
    calc(env(safe-area-inset-top) + 14px)
    max(var(--gutter), env(safe-area-inset-right))
    18px
    max(var(--gutter), env(safe-area-inset-left));
  border-radius: 0 0 22px 22px;
}

header.top h1,
header.top p {
  max-width: var(--max);
  margin-inline: auto;
}

header.top h1 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

header.top h1::before {
  content: "";
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  margin-right: 0.45em;
  vertical-align: -0.02em;
  border-radius: 50%;
  border: 2px solid currentColor;
  /* a tiny quarter-past hand */
  background: linear-gradient(currentColor, currentColor) 100% 50% / 50% 2px no-repeat;
}

header.top .muted {
  color: var(--on-green-muted);
  font-size: 0.9rem;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

/* ---------- layout ---------- */

main {
  max-width: var(--max);
  margin: 0 auto;
  padding:
    20px
    max(var(--gutter), env(safe-area-inset-right))
    calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 28px)
    max(var(--gutter), env(safe-area-inset-left));
}

.view { display: flex; flex-direction: column; gap: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  min-width: 0;
}

.card > * + * { margin-top: 12px; }

.card h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.muted { color: var(--muted); }
.center { text-align: center; }
.small { font-size: 0.875rem; }

.empty { text-align: center; padding-block: 32px; }
.empty .btn { margin-top: 16px; }

/* ---------- exercise card ---------- */

.exercise { padding: 24px 22px 22px; }

.exercise h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 9vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-top: 14px;
  overflow-wrap: anywhere;
}

.exercise .detail {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}

.cue {
  color: var(--muted);
  padding-left: 12px;
  border-left: 3px solid var(--accent);
  font-size: 0.98rem;
}

/* ---------- chips ---------- */

.chip {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--chip-other-bg);
  color: var(--chip-other-fg);
}
.chip-legs    { background: var(--chip-legs-bg);    color: var(--chip-legs-fg); }
.chip-push    { background: var(--chip-push-bg);    color: var(--chip-push-fg); }
.chip-core    { background: var(--chip-core-bg);    color: var(--chip-core-fg); }
.chip-stretch { background: var(--chip-stretch-bg); color: var(--chip-stretch-fg); }
.chip-other   { background: var(--chip-other-bg);   color: var(--chip-other-fg); }

/* ---------- timer ---------- */

.timer {
  --tc: var(--work);
  --tbg: var(--work-bg);
  margin-top: 20px;
  padding: 18px 16px 16px;
  border-radius: var(--radius-sm);
  background: var(--tbg);
  color: var(--tc);
  text-align: center;
  transition: background-color 0.3s ease, color 0.3s ease;
}
.timer.rest { --tc: var(--rest); --tbg: var(--rest-bg); }
.timer.finished { --tc: var(--muted); --tbg: var(--surface-2); }

.timer-phase {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timer-time {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 20vw, 5rem);
  font-weight: 700;
  line-height: 1;
  margin: 6px 0 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.timer.rest .timer-time { font-weight: 500; opacity: 0.9; }

.timer .btn {
  background: transparent;
  border-color: currentColor;
  color: inherit;
  min-width: 9rem;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  min-height: 44px;
  padding: 10px 18px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: transform 0.08s ease, background-color 0.15s ease;
}
.btn:active { transform: scale(0.97); }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
.btn.primary:active { background: var(--accent-press); }

.btn.big {
  width: 100%;
  min-height: 60px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: 20px;
}

.btn.danger {
  background: var(--danger-bg);
  border-color: transparent;
  color: var(--danger);
}

.btn:disabled { opacity: 0.45; }

.link {
  background: none;
  border: 0;
  padding: 4px 2px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.actions { display: flex; flex-direction: column; gap: 10px; }

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.row > .btn { flex: 1 1 0; min-width: max-content; }
.row > label { flex: 1 1 8rem; }

/* ---------- today / stats ---------- */

.today {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.today > div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.9rem;
}
.card .today > div { background: var(--surface-2); border-color: transparent; }
.today strong {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

/* ---------- heatmap ---------- */

.heat {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}
.cell {
  aspect-ratio: 1;
  border-radius: 8px;
  background-color: var(--heat-empty);
  background-image: linear-gradient(rgba(var(--heat), var(--a, 0)), rgba(var(--heat), var(--a, 0)));
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}
.cell.hi { color: var(--bg); } /* readable on the darkest (light mode) / brightest (dark mode) cells */
.cell:last-child { box-shadow: inset 0 0 0 2px var(--accent); }

/* ---------- history log ---------- */

.log { list-style: none; margin-bottom: 0; padding: 0; } /* keep the card's top spacing */
.log li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0 10px 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.log li > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.log li > .muted { flex: none; font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.log li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--muted);
}
.log li.done::before { background: rgb(var(--heat)); }
.log li.skipped > span:first-child { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--line); }
.log li.skipped::before { background: transparent; box-shadow: inset 0 0 0 1.5px var(--muted); }
.log li.snoozed::before { background: var(--rest); }

.log li.day {
  display: block;
  padding: 18px 0 6px;
  border-bottom: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.log li.day::before { display: none; }
.log li.day:first-child { padding-top: 0; }

/* ---------- settings ---------- */

.steps { margin-bottom: 0; padding-left: 1.3em; }
.steps li + li { margin-top: 6px; }

label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--muted); }

input:not([type="checkbox"]):not([type="file"]),
select {
  display: block;
  width: 100%;
  min-height: 44px;
  margin-top: 4px;
  padding: 10px 12px;
  font-size: 16px; /* stops iOS zoom on focus */
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  -webkit-appearance: none;
  appearance: none;
}
select {
  padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}
input:focus, select:focus { border-color: var(--accent); outline: none; }

.days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}
.day-chip {
  width: 100%;
  max-width: 48px;
  justify-self: center;
  aspect-ratio: 1; /* height follows the column width, so chips never overlap on narrow screens */
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  padding: 0;
  touch-action: manipulation;
}
.day-chip.on { background: var(--green); border-color: var(--green); color: var(--on-green); }

.exlist { list-style: none; margin-bottom: 0; padding: 0; }
.exlist li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.exlist li:last-child { border-bottom: 0; }
.exlist li.off .ex-name { opacity: 0.5; }
.card .exlist + .btn { margin-top: 14px; }

.toggle { flex: none; display: grid; place-items: center; width: 44px; height: 44px; }
.toggle input {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 2px solid var(--muted);
  background: transparent;
  display: grid;
  place-items: center;
}
.toggle input:checked { background: var(--green); border-color: var(--green); }
.toggle input:checked::after {
  content: "";
  width: 7px;
  height: 12px;
  border: solid var(--on-green);
  border-width: 0 2.5px 2.5px 0;
  transform: translateY(-1px) rotate(45deg);
}
@media (prefers-color-scheme: dark) {
  .toggle input:checked, .day-chip.on { background: var(--work); border-color: var(--work); color: var(--bg); }
  .toggle input:checked::after { border-color: var(--bg); }
}

.ex-name {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  padding: 6px 0;
  background: none;
  border: 0;
  text-align: left;
}
.ex-name span { font-weight: 600; overflow-wrap: anywhere; }
.ex-name small { font-size: 0.82rem; }

.order { flex: none; display: flex; gap: 4px; }
.order button {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  padding: 0;
}
.order button:disabled { opacity: 0.3; }

.exlist li.edit { display: block; padding: 12px 0 16px; }
.exlist li.edit form { display: flex; flex-direction: column; gap: 12px; }
fieldset {
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  margin: 0;
  padding: 10px 12px 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
legend { padding: 0 6px; font-size: 0.85rem; font-weight: 600; color: var(--muted); }

/* ---------- tab bar ---------- */

.tabs {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  padding:
    6px
    max(var(--gutter), env(safe-area-inset-right))
    max(6px, env(safe-area-inset-bottom))
    max(var(--gutter), env(safe-area-inset-left));
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(16px);
  backdrop-filter: saturate(1.6) blur(16px);
  border-top: 1px solid var(--line);
}
.tabs button {
  flex: 1;
  max-width: calc(var(--max) / 3);
  min-height: 48px;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  touch-action: manipulation;
}
.tabs button.active { color: var(--text); }
.tabs button.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 6px;
  width: 20px;
  height: 3px;
  margin-left: -10px;
  border-radius: 2px;
  background: var(--accent);
}

/* ---------- toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 16px);
  transform: translateX(-50%);
  z-index: 20;
  max-width: calc(100% - 2 * var(--gutter));
  width: max-content;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--green);
  color: var(--on-green);
  font-weight: 600;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  animation: toast-in 0.2s ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* very narrow phones */
@media (max-width: 359px) {
  .card { padding: 16px; }
  .row > .btn { min-width: 0; }
  fieldset { grid-template-columns: 1fr; }
}