/* ============================================================
   De Agony of De Feet — Track Session Pace Planner
   ============================================================ */

:root {
  /* Light theme (default) — DADF kit colours: black, gold and cyan */
  --paper: #f4f5f3;
  --paper-raised: #ffffff;
  --ink: #16181a;
  --ink-dim: #5a6066;
  --line: #dbdedc;
  --line-strong: #c3c7c4;
  --track-red: #0e7a88;
  --track-red-ink: #ffffff;
  --track-red-dim: #dcf0f1;
  --lane-lime: #16879a;
  --focus-ring: var(--lane-lime);
  --danger: #c1352b;
  --danger-dim: #f6dedc;

  /* Scoreboard is a deliberate always-dark surface, like the shirt's
     black body with a gold wordmark — independent of the page theme. */
  --scoreboard-bg: #0b0b0c;
  --scoreboard-bg-raised: #18191b;
  --scoreboard-fg: #f1f2f0;
  --scoreboard-fg-dim: #9ba0a3;
  --scoreboard-accent: #f5c518;
  --scoreboard-line: #2a2c2e;

  --shadow-card: 0 1px 2px rgba(10, 10, 10, 0.06);
  --shadow-lifted: 0 8px 24px rgba(10, 10, 10, 0.14);

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Work Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0b0b0c;
    --paper-raised: #18191b;
    --ink: #f1f2f0;
    --ink-dim: #9ba0a3;
    --line: #2a2c2e;
    --line-strong: #3a3d40;
    --track-red: #f5c518;
    --track-red-ink: #14151a;
    --track-red-dim: #3a2e0a;
    --lane-lime: #46d1e0;
    --focus-ring: var(--lane-lime);
    --danger: #ff6b5e;
    --danger-dim: #3a1712;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.45);
    --shadow-lifted: 0 10px 30px rgba(0, 0, 0, 0.6);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #0b0b0c;
  --paper-raised: #18191b;
  --ink: #f1f2f0;
  --ink-dim: #9ba0a3;
  --line: #2a2c2e;
  --line-strong: #3a3d40;
  --track-red: #f5c518;
  --track-red-ink: #14151a;
  --track-red-dim: #3a2e0a;
  --lane-lime: #46d1e0;
  --focus-ring: var(--lane-lime);
  --danger: #ff6b5e;
  --danger-dim: #3a1712;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-lifted: 0 10px 30px rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 20px;
  min-width: 0;
}

@media (max-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

a {
  color: var(--track-red);
}

/* ---------- Header ---------- */

.team-banner {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lifted);
  margin-top: 24px;
}

.masthead {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 0 20px;
  border-bottom: 3px solid var(--ink);
}

.brand-logo {
  display: block;
  height: 92px;
  width: auto;
  max-width: 100%;
  border-radius: 10px;
  box-shadow: var(--shadow-card);
}

.brand-sub {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
}

@media (max-width: 480px) {
  .brand-logo {
    height: 68px;
  }
}

/* ---------- Category + tool tabs ---------- */

.category-tabs {
  display: flex;
  gap: 2px;
  width: fit-content;
  margin: 24px 0 0;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.category-tab {
  appearance: none;
  border: none;
  background: transparent;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.category-tab:hover {
  color: var(--ink);
}

.category-tab[aria-selected="true"] {
  background: var(--track-red);
  color: var(--track-red-ink);
}

.category-tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.tabs {
  display: flex;
  gap: 4px;
  margin: 14px 0 0;
  padding-bottom: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--line);
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  flex: none;
  appearance: none;
  border: none;
  background: transparent;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  padding: 12px 16px 11px;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab:hover {
  color: var(--ink);
}

.tab[aria-selected="true"] {
  color: var(--track-red);
  border-bottom-color: var(--track-red);
}

.tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
}

/* ---------- Panels & layout ---------- */

.panel {
  padding-top: 28px;
}

.panel-intro {
  max-width: 62ch;
  margin: 0 0 22px;
  color: var(--ink-dim);
  font-size: 0.96rem;
}

.panel-intro strong {
  color: var(--ink);
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

@media (max-width: 820px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Cards & forms ---------- */

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-card);
  padding: 20px;
}

.card h2,
.card h3 {
  margin: 0 0 4px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 14px;
}

.field-row {
  display: flex;
  gap: 10px;
}

.field-row .field {
  flex: 1;
  min-width: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.field label,
.field legend {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

.field .hint {
  font-size: 0.78rem;
  color: var(--ink-dim);
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: normal;
}

input[type="text"],
input[type="number"],
select {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.98rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 9px 10px;
  width: 100%;
}

select {
  font-family: var(--font-body);
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

input.invalid {
  border-color: var(--danger);
  background: var(--danger-dim);
}

.pace-field {
  display: flex;
  gap: 6px;
}

.pace-field input {
  flex: 1;
}

.unit-label {
  flex: none;
  display: flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 7px;
  padding: 0 10px;
  white-space: nowrap;
}

.phase-pace-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.phase-pace-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.phase-pace-tag {
  flex: none;
  width: 32px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--ink-dim);
}

#lad-pace-rows .phase-pace-tag,
#lad-cycle-rows .phase-pace-tag {
  width: 64px;
}

.phase-pace-row .pace-field {
  flex: 1;
}

.equiv-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-dim);
}

.gear-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gear-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gear-row .gear-tag {
  flex: none;
  width: 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--ink-dim);
}

.gear-row .gear-dist {
  flex: none;
  width: 68px;
}

.gear-row .pace-field {
  flex: 1;
}

.gear-row-remove {
  flex: none;
  appearance: none;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-dim);
  width: 30px;
  height: 30px;
  border-radius: 7px;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.gear-row-remove:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.checkbox-field {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
}

.checkbox-field input {
  width: auto;
  margin-top: 3px;
}

.checkbox-field label {
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 400;
}

.mode-switch {
  display: flex;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  overflow: hidden;
}

.mode-switch button {
  flex: 1;
  appearance: none;
  border: none;
  background: var(--paper);
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 9px 6px;
  cursor: pointer;
}

.mode-switch button + button {
  border-left: 1px solid var(--line-strong);
}

.mode-switch button[aria-pressed="true"] {
  background: var(--track-red);
  color: var(--track-red-ink);
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 999px;
  padding: 5px 11px;
  cursor: pointer;
}

.chip-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.error-msg {
  display: none;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--danger);
  background: var(--danger-dim);
  border-radius: 7px;
  padding: 8px 10px;
  margin-top: 4px;
}

.error-msg.show {
  display: block;
}

/* ---------- Scoreboard (results) ---------- */

.scoreboard {
  background: var(--scoreboard-bg);
  color: var(--scoreboard-fg);
  border-radius: 10px;
  box-shadow: var(--shadow-lifted);
  padding: 22px 22px 20px;
  min-width: 0;
}

.scoreboard-head {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--scoreboard-fg-dim);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scoreboard-head::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--scoreboard-accent);
  flex: none;
}

.scoreboard-subhead {
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--scoreboard-fg-dim);
  margin: 18px 0 8px;
  padding-top: 14px;
  border-top: 1px solid var(--scoreboard-line);
}

.scoreboard-subhead .hint-inline {
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 0.74rem;
}

.garmin-note {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--scoreboard-fg-dim);
}

.garmin-steps {
  margin: 0;
  padding-left: 1.4em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.garmin-steps li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.garmin-steps li::marker {
  font-family: var(--font-mono);
  color: var(--scoreboard-fg-dim);
}

.garmin-steps .g-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--scoreboard-fg-dim);
}

.garmin-steps .g-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.86rem;
  color: var(--scoreboard-fg);
}

.garmin-steps .g-repeat-group {
  margin: 4px 0 0;
  padding: 8px 0 2px 1em;
  border-left: 2px solid var(--scoreboard-line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

table.data tr.tier-invalid td {
  color: var(--scoreboard-fg-dim);
}

/* ---------- Goal race times sidebar ---------- */

.goal-card .hint {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--ink-dim);
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font-body);
}

.goal-empty {
  margin: 4px 0 4px;
  color: var(--scoreboard-fg-dim);
  font-size: 0.86rem;
}

.pace-tile-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 14px 0;
}

.pace-tile {
  position: relative;
  padding: 0 64px 12px 0;
  border-bottom: 1px solid var(--scoreboard-line);
}

.pace-tile:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.pace-tile-use {
  margin: 4px 0 0;
  font-family: var(--font-body);
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--scoreboard-fg-dim);
}

.copy-btn {
  position: absolute;
  top: 0;
  right: 0;
  appearance: none;
  border: 1px solid var(--scoreboard-line);
  background: transparent;
  color: var(--scoreboard-fg-dim);
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
  padding: 3px 9px;
  cursor: pointer;
}

.copy-btn:hover {
  color: var(--scoreboard-accent);
  border-color: var(--scoreboard-accent);
}

.copy-btn.copied {
  color: var(--scoreboard-bg);
  background: var(--scoreboard-accent);
  border-color: var(--scoreboard-accent);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px 20px;
  margin-bottom: 18px;
}

.stat {
  min-width: 0;
}

.stat .stat-label {
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--scoreboard-fg-dim);
  margin: 0 0 4px;
}

.stat .stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--scoreboard-fg);
  line-height: 1.1;
  word-break: break-word;
}

.stat.primary .stat-value {
  color: var(--scoreboard-accent);
  font-size: 2.1rem;
}

.stat .stat-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--scoreboard-fg-dim);
  margin-top: 2px;
}

.scoreboard .table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--scoreboard-line);
  padding-top: 12px;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.84rem;
  white-space: nowrap;
}

table.data th,
table.data td {
  text-align: left;
  padding: 7px 12px 7px 0;
}

table.data th {
  font-family: var(--font-display);
  font-size: 0.64rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--scoreboard-fg-dim);
  border-bottom: 1px solid var(--scoreboard-line);
}

table.data td {
  border-bottom: 1px solid var(--scoreboard-line);
  color: var(--scoreboard-fg);
}

table.data tr:last-child td {
  border-bottom: none;
}

table.data:not(.group-table) tr:last-child td {
  color: var(--scoreboard-accent);
  font-weight: 600;
}

.note {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--scoreboard-line);
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--scoreboard-fg-dim);
}

/* ---------- Mona segment strip ---------- */

.strip-wrap {
  margin-bottom: 18px;
}

.strip {
  display: flex;
  width: 100%;
  height: 34px;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--scoreboard-line);
}

.strip-seg {
  height: 100%;
}

.strip-seg.hard {
  background: var(--scoreboard-accent);
}

/* Gear-shift / per-rung strips grade the hard segments by relative pace —
   shade-0 (slowest gear present) keeps the standard yellow-gold, climbing
   through orange to coral at shade-3 (fastest). */
.strip-seg.hard.shade-0 {
  background: var(--scoreboard-accent);
}

.strip-seg.hard.shade-1 {
  background: hsl(35, 92%, 56%);
}

.strip-seg.hard.shade-2 {
  background: hsl(24, 94%, 60%);
}

.strip-seg.hard.shade-3 {
  background: hsl(16, 100%, 66%);
}

.strip-seg.float {
  background: #46d1e0;
}

.strip-seg + .strip-seg {
  border-left: 1px solid rgba(0, 0, 0, 0.25);
}

.strip-phases {
  display: flex;
  width: 100%;
  margin-top: 6px;
}

.strip-phase-label {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--scoreboard-fg-dim);
  text-align: center;
}

.strip-legend {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--scoreboard-fg-dim);
}

.strip-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
}

.legend-dot.hard {
  background: var(--scoreboard-accent);
}

.legend-dot.float {
  background: #46d1e0;
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
}

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