.gym-page {
  width: min(1120px, calc(100% - 32px));
  align-content: start;
  gap: 24px;
  padding-top: 36px;
}

.gym-title-link {
  width: fit-content;
  color: inherit;
  text-decoration: none;
}

.gym-page-title {
  font: 700 clamp(1.8rem, 3.8vw, 2.8rem)/1 "DM Sans", system-ui, sans-serif;
  letter-spacing: -.035em;
}

.gym-hub {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.gym-hub-tile {
  display: grid;
  min-height: 230px;
  align-content: space-between;
  border: 2px solid color-mix(in srgb, var(--ink) 26%, transparent);
  border-radius: 22px;
  color: #18231b;
  padding: clamp(22px, 4vw, 34px);
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.gym-hub-tile span { font-size: clamp(2.4rem, 5vw, 4rem); }
.gym-hub-tile strong { font-size: clamp(1.25rem, 2.3vw, 1.8rem); }
.gym-hub-tile.nutrition { background: #dce7d7; }
.gym-hub-tile.tracker { background: #ead39a; }
.gym-hub-tile.program { background: #dfe3df; }
.gym-hub-tile.progress { background: #cddfd3; }
.gym-hub-tile:hover,
.gym-hub-tile:focus-visible { transform: translateY(-4px); border-color: var(--ink); box-shadow: 0 16px 38px rgba(24, 35, 27, .14); outline: 0; }

:root[data-theme="dark"] .gym-hub-tile { color: #f4f5ef; box-shadow: none; }
:root[data-theme="dark"] .gym-hub-tile.nutrition { background: #304438; }
:root[data-theme="dark"] .gym-hub-tile.tracker { background: #584b2c; }
:root[data-theme="dark"] .gym-hub-tile.program { background: #3c433e; }
:root[data-theme="dark"] .gym-hub-tile.progress { background: #29443a; }

.gym-view[hidden],
.gym-hub[hidden],
.gym-tracker[hidden],
.gym-progress-dashboard[hidden] { display: none !important; }

.gym-view { display: grid; width: 100%; min-width: 0; gap: 18px; }
.gym-view > h2,
.gym-view-heading h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.15rem); }
.gym-view-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.gym-view-heading > span { color: var(--muted); font-size: .88rem; }

.nutrition-card h3 { margin: 0; font-size: clamp(1.05rem, 2vw, 1.35rem); }

.gym-tracker input,
.gym-tracker select,
.gym-tracker button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  padding: 9px 11px;
  font: inherit;
}
.gym-tracker button { background: var(--ink); color: var(--bg); font-weight: 800; cursor: pointer; }
.gym-tracker button.secondary { background: var(--bg); color: var(--ink); }
.gym-tracker button:hover,
.gym-tracker button:focus-visible { outline: 2px solid color-mix(in srgb, var(--ink) 36%, transparent); outline-offset: 2px; }

.gym-tracker { display: grid; width: 100%; min-width: 0; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.gym-week-panel,
.gym-log-panel,
.gym-exercise-progress-panel,
.gym-history-panel {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  padding: clamp(16px, 3vw, 26px);
}

.tracker-panel-heading {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.tracker-panel-heading h3 { margin: 0; font-size: clamp(1.08rem, 2vw, 1.35rem); }

.gym-week-controls,
.gym-progress-controls { display: flex; min-width: 0; align-items: center; gap: 7px; }
.gym-week-controls button { width: 44px; padding: 0; font-size: 1.35rem; }
.gym-week-controls input { width: 145px; }

.gym-week-grid { display: grid; min-width: 0; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 7px; }
.gym-week-day {
  display: grid;
  min-height: 112px;
  align-content: start;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  padding: 11px;
}
.gym-week-day.current { border-color: #9b7d27; box-shadow: inset 0 0 0 1px #9b7d27; }
.gym-week-day.complete { background: color-mix(in srgb, var(--surface) 72%, #dce7d7); }
.gym-week-day strong { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.gym-week-day time { color: var(--muted); font-size: .75rem; }
.gym-week-day span { margin-top: auto; font-size: .76rem; line-height: 1.25; }
.gym-week-day b { color: #50704f; font-size: .72rem; }

.gym-workout-form { display: grid; min-width: 0; gap: 16px; }
.gym-log-fields { display: grid; grid-template-columns: 1.1fr 1.2fr 1.2fr .8fr; gap: 10px; }
.gym-log-fields label { display: grid; gap: 6px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.gym-log-fields small { font-weight: 500; }

.gym-start-time-control { display: flex; min-width: 0; align-items: center; gap: 12px; }
.gym-tracker .gym-start-time-control > button {
  min-width: 170px;
  border-color: #246438;
  background: #2f7d46;
  color: #fff;
}
.gym-tracker .gym-start-time-control > button:disabled { opacity: 1; cursor: default; }
.gym-start-time-control output { color: #2f7d46; font-size: .88rem; font-weight: 800; }
:root[data-theme="dark"] .gym-start-time-control output { color: #8fd6a5; }

.gym-exercise-editor { display: grid; min-width: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.gym-exercise {
  display: grid;
  min-width: 0;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--bg);
  padding: 14px;
}
.gym-exercise > header { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
.gym-exercise > header strong { line-height: 1.25; }
.gym-exercise-cue { color: var(--muted); font-size: .72rem; text-align: right; }
.gym-exercise-cue.increase { color: #50704f; font-weight: 800; }
.gym-exercise-best {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 5px 10px;
  border: 1px solid color-mix(in srgb, #9b7d27 46%, var(--line));
  border-radius: 9px;
  background: color-mix(in srgb, #f3d36a 18%, var(--surface));
  padding: 8px 10px;
  color: var(--muted);
  font-size: .75rem;
}
.gym-exercise-best strong { color: var(--ink); font-size: .82rem; }
.gym-set-row { display: grid; grid-template-columns: 28px 1fr 1fr 34px; align-items: end; gap: 7px; }
.gym-set-row > span { align-self: center; color: var(--muted); font-size: .8rem; text-align: center; }
.gym-set-row label { display: grid; gap: 3px; color: var(--muted); font-size: .7rem; font-weight: 700; }
.gym-set-row input { width: 100%; min-width: 0; }
.gym-set-row button { width: 34px; min-height: 44px; background: transparent; color: var(--muted); padding: 0; }
.gym-add-set { justify-self: start; min-height: 36px !important; background: transparent !important; color: var(--ink) !important; padding: 6px 9px !important; font-size: .75rem !important; }

.gym-form-actions { display: flex; justify-content: flex-end; gap: 8px; }
.gym-tracker .gym-finish-time { border-color: #7e2020; background: #b52e2e; color: #fff; }

.gym-chart-grid { stroke: color-mix(in srgb, var(--muted) 25%, transparent); stroke-width: 1; }
.gym-chart-label { fill: var(--muted); font: 11px "DM Sans", sans-serif; }

.gym-progress-dashboard { display: grid; min-width: 0; gap: 16px; }
.gym-progress-dashboard input {
  min-height: 44px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  padding: 9px 11px;
  font: inherit;
}
.gym-progress-controls input { width: min(300px, 42vw); }
.gym-exercise-progress-grid { display: grid; min-width: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.gym-exercise-progress-card {
  display: grid;
  min-width: 0;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--bg);
  padding: 14px;
}
.gym-exercise-progress-card > header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.gym-exercise-progress-card > header strong { font-size: 1rem; }
.gym-exercise-progress-card > header small { color: var(--muted); text-align: right; }
.gym-exercise-progress-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.gym-exercise-progress-stats span { display: grid; gap: 2px; border-radius: 9px; background: var(--surface); padding: 8px; }
.gym-exercise-progress-stats b { font-size: .92rem; }
.gym-exercise-progress-stats small { color: var(--muted); font-size: .66rem; text-transform: uppercase; letter-spacing: .04em; }
.gym-exercise-progress-chart { min-height: 190px; overflow: hidden; }
.gym-exercise-progress-chart svg { display: block; width: 100%; height: auto; min-height: 180px; }
.gym-exercise-progress-empty { display: grid; min-height: 180px; place-items: center; color: var(--muted); font-size: .82rem; }
.gym-exercise-chart-area { fill: color-mix(in srgb, #50704f 13%, transparent); }
.gym-exercise-chart-line { fill: none; stroke: #50704f; stroke-linecap: round; stroke-linejoin: round; stroke-width: 4; }
.gym-exercise-chart-point { fill: #9b7d27; stroke: var(--bg); stroke-width: 3; }

.gym-history { display: grid; gap: 8px; }
.gym-history-row {
  display: grid;
  grid-template-columns: 110px 1.2fr 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--bg);
  padding: 12px;
}
.gym-history-row time,
.gym-history-row span { color: var(--muted); font-size: .82rem; }
.gym-history-actions { display: flex; gap: 6px; }
.gym-history-actions button { min-height: 36px; background: transparent; color: var(--ink); padding: 6px 9px; font-size: .76rem; }
.gym-history-actions button.danger { color: #9b3434; }
.gym-history-empty { margin: 0; color: var(--muted); }

@media (max-width: 880px) {
  .gym-hub { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gym-week-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .gym-log-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gym-exercise-editor { grid-template-columns: 1fr; }
  .gym-exercise-progress-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .gym-hub { grid-template-columns: 1fr; }
  .gym-hub-tile { min-height: 150px; }
  .gym-view-heading,
  .tracker-panel-heading { align-items: stretch; flex-direction: column; }
  .gym-week-controls,
  .gym-progress-controls { width: 100%; }
  .gym-progress-dashboard .tracker-panel-heading { align-items: stretch; }
  .gym-week-controls input,
  .gym-progress-controls input { flex: 1; width: 100%; min-width: 0; }
  .gym-week-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gym-log-fields { grid-template-columns: 1fr; }
  .gym-start-time-control { align-items: stretch; flex-direction: column; }
  .gym-tracker .gym-start-time-control > button { width: 100%; }
  .gym-history-row { grid-template-columns: 1fr auto; }
  .gym-history-row time,
  .gym-history-row span { grid-column: 1; }
  .gym-history-actions { grid-column: 2; grid-row: 1 / span 3; flex-direction: column; }
}

/* Universal button-border contract: every enabled button renders a visible 1px border. */
button:not(:disabled) {
  border-style: solid !important;
  border-width: 1px !important;
}