:root {
  color-scheme: light;
  --page: #f4f6f6;
  --surface: #ffffff;
  --field: #f7f9fa;
  --ink: #10151a;
  --ink-2: #4e565e;
  --muted: #898f95;
  --grid: #e3e4e0;
  --baseline: #c4c6c2;
  --border: rgba(16, 21, 26, 0.10);
  --accent: #1c5cab;
  --accent-soft: #eaf2fc;
  --accent-ink: #ffffff;
  --pace: #2a78d6;
  --cad: #1baf7a;
  --hr: #e34948;
  --work: #2a78d6;
  --drill: #eda100;
  --rest: #a7adb3;
  --work-band: rgba(42, 120, 214, 0.09);
  --drill-band: rgba(237, 161, 0, 0.12);
  --rest-band: rgba(120, 128, 136, 0.08);
  --tooltip-bg: #10151a;
  --tooltip-ink: #f5f7f9;
  --shadow-sm: 0 1px 2px rgba(16, 21, 26, 0.05), 0 8px 24px rgba(16, 21, 26, 0.035);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0f10;
    --surface: #1a1a19;
    --field: #131515;
    --ink: #f2f4f6;
    --ink-2: #b9c0c7;
    --muted: #8b9299;
    --grid: #2c2c2a;
    --baseline: #3a3b39;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #5aa0ef;
    --accent-soft: rgba(90, 160, 239, 0.14);
    --accent-ink: #0d0f10;
    --pace: #3987e5;
    --cad: #199e70;
    --hr: #e66767;
    --work: #3987e5;
    --drill: #c98500;
    --rest: #6f767d;
    --work-band: rgba(57, 135, 229, 0.14);
    --drill-band: rgba(201, 133, 0, 0.16);
    --rest-band: rgba(139, 146, 153, 0.10);
    --tooltip-bg: #f2f4f6;
    --tooltip-ink: #10151a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.22), 0 8px 24px rgba(0, 0, 0, 0.12);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0f10;
  --surface: #1a1a19;
  --field: #131515;
  --ink: #f2f4f6;
  --ink-2: #b9c0c7;
  --muted: #8b9299;
  --grid: #2c2c2a;
  --baseline: #3a3b39;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #5aa0ef;
  --accent-soft: rgba(90, 160, 239, 0.14);
  --accent-ink: #0d0f10;
  --pace: #3987e5;
  --cad: #199e70;
  --hr: #e66767;
  --work: #3987e5;
  --drill: #c98500;
  --rest: #6f767d;
  --work-band: rgba(57, 135, 229, 0.14);
  --drill-band: rgba(201, 133, 0, 0.16);
  --rest-band: rgba(139, 146, 153, 0.10);
  --tooltip-bg: #f2f4f6;
  --tooltip-ink: #10151a;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.22), 0 8px 24px rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }
body {
  min-height: 100dvh; margin: 0;
  background:
    radial-gradient(circle at 18% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 34rem),
    var(--page);
  background-attachment: fixed;
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.app { max-width: 1060px; margin: 0 auto; padding: 20px 20px 80px; }
main, .card, details { min-width: 0; }

/* ---------- header ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 6px 0 18px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: var(--accent); display: grid; place-items: center;
}
.brand-mark svg { display: block; }
.brand h1 { font-size: 18px; font-weight: 650; margin: 0; letter-spacing: -0.01em; }
.brand p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1em; }
.brand .build-version { font-size: 11px; font-variant-numeric: tabular-nums; margin-top: 2px; font-style: italic; }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.user-email { font-size: 13px; color: var(--muted); }
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); font: inherit; font-weight: 550; font-size: 14px;
  min-height: 36px; padding: 7px 13px; border-radius: 9px; cursor: pointer;
  box-shadow: 0 1px 1px color-mix(in srgb, var(--ink) 4%, transparent);
}
.btn:hover { border-color: color-mix(in srgb, var(--accent) 70%, var(--border)); background: color-mix(in srgb, var(--accent) 4%, var(--surface)); }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.primary { background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 90%, white), var(--accent)); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger:hover { border-color: var(--hr); color: var(--hr); }
.btn:focus-visible, .tab:focus-visible, .chip:focus-visible, [tabindex="0"]:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- form primitives ---------- */
.form-field { display: grid; gap: 5px; min-width: 0; }
.form-label { color: var(--ink-2); font-size: 12px; font-weight: 650; }
.form-hint { color: var(--muted); font-size: 11.5px; font-weight: 450; }
.form-control {
  width: 100%; min-width: 0; min-height: 36px; padding: 7px 10px;
  border: 1px solid color-mix(in srgb, var(--ink) 13%, transparent); border-radius: 9px;
  background: var(--field); color: var(--ink); font: inherit; font-size: 14px;
  box-shadow: inset 0 1px 1px color-mix(in srgb, var(--ink) 3%, transparent);
}
.form-control:hover { border-color: color-mix(in srgb, var(--ink) 24%, transparent); }
.form-control:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 22%, transparent); border-color: var(--accent); }
.form-control::placeholder { color: color-mix(in srgb, var(--muted) 84%, transparent); }
.form-control:disabled { opacity: 0.62; cursor: not-allowed; }
.form-message { min-height: 1.2em; margin: 0; font-size: 12.5px; }
.form-message.error { color: var(--hr); }

/* ---------- tabs ---------- */
.tabs {
  display: inline-flex; max-width: 100%; gap: 3px; padding: 4px; margin-bottom: 20px;
  border: 1px solid var(--border); border-radius: 11px; background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-sm); overflow-x: auto;
}
.tabs:empty { display: none; }
.tab {
  appearance: none; background: none; border: none; border-radius: 7px;
  font: inherit; font-size: 14.5px; font-weight: 550; color: var(--ink-2);
  padding: 6px 12px; cursor: pointer; white-space: nowrap;
}
.tab:hover { color: var(--ink); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.tab[aria-selected="true"] { color: var(--accent); background: var(--accent-soft); box-shadow: 0 1px 2px color-mix(in srgb, var(--ink) 8%, transparent); }

/* ---------- generic cards & sections ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 18px; margin-bottom: 14px; box-shadow: var(--shadow-sm);
}
.card > h2 { font-size: 15px; font-weight: 650; margin: 0 0 2px; }
.card .sub { font-size: 12.5px; color: var(--muted); margin: 0 0 14px; }
.eyebrow {
  font-size: 11px; font-weight: 650; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--muted);
}

/* ---------- stat tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px; display: flex; flex-direction: column; gap: 2px; box-shadow: var(--shadow-sm);
}
.tile .t-label { font-size: 11px; font-weight: 650; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.tile .t-value { font-size: 23px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; }
.tile .t-sub { font-size: 12px; color: var(--muted); }

/* ---------- workout chips ---------- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.chip {
  appearance: none; font: inherit; font-size: 13px; font-weight: 550;
  background: var(--surface); color: var(--ink-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 13px; cursor: pointer;
}
.chip[aria-selected="true"] { border-color: var(--accent); color: var(--ink); box-shadow: inset 0 0 0 1px var(--accent); }

.badge {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.03em;
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; color: var(--ink-2);
}

/* ---------- workout archive ---------- */
.workouts-head { margin: 2px 0 16px; }
.workouts-head h2 { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; margin: 0; }
.workouts-head .sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.workout-filters { display: grid; gap: 10px; margin-top: 14px; }
.workout-filter-group { display: grid; gap: 5px; }
.workout-filter-label { color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
.workout-filter-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.workout-filter-chip {
  appearance: none; padding: 6px 11px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--ink-2); font: inherit; font-size: 13px; font-weight: 550; cursor: pointer;
}
.workout-filter-chip:hover { border-color: var(--accent); }
.workout-filter-chip[aria-pressed="true"] { border-color: var(--accent); color: var(--ink); box-shadow: inset 0 0 0 1px var(--accent); }
.workout-filter-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tag-filter-chip { display: inline-flex; align-items: center; gap: 5px; }
.tag-icon { width: 14px; height: 14px; flex: none; }
.workouts-empty { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.workout-list { display: grid; gap: 7px; }
.workout-card {
  appearance: none; width: 100%; display: grid; gap: 5px; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface);
  color: var(--ink); cursor: pointer; font: inherit; text-align: left;
}
.workout-card:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); }
.workout-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.workout-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.workout-card-badges { display: inline-flex; align-items: center; justify-content: flex-end; gap: 5px; flex-wrap: wrap; }
.workout-card-date { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.workout-card-shared-by { color: var(--muted); font-size: 12px; }
.shared-badge, .shared-workout-label { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 42%, var(--border)); }
.workout-card-title { font-size: 15px; font-weight: 650; letter-spacing: -0.01em; line-height: 1.3; }
.workout-card-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.workout-card-tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 6px; border-radius: 999px;
  background: var(--page); color: var(--ink-2); font-size: 11.5px; font-weight: 550;
}
.workout-card-tag .tag-icon { width: 12px; height: 12px; }
.workout-card-kpis {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px;
}
.workout-card-kpi { display: flex; align-items: baseline; gap: 5px; min-width: 0; }
.workout-card-kpi-label {
  color: var(--muted); font-size: 10.5px; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase;
}
.workout-card-kpi-value { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.progress-hotspot { cursor: pointer; }
.progress-hotspot:focus-visible rect { fill: color-mix(in srgb, var(--accent) 16%, transparent); stroke: var(--accent); stroke-width: 2; }

/* ---------- favorites ---------- */
.favorites-head { margin: 2px 0 16px; }
.favorites-head h2 { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; margin: 0; }
.favorites-head .sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.favorite-group { margin-bottom: 12px; }
.favorite-group > h2 { font-size: 15px; font-weight: 650; margin: 0 0 8px; }
.favorite-workouts { margin-bottom: 16px; }
.favorite-list { display: grid; gap: 7px; }
.favorite-empty { margin: 8px 0 0; }
.favorite-card {
  appearance: none; width: 100%; display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: center; gap: 8px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--page);
  color: var(--ink); cursor: pointer; font: inherit; text-align: left;
}
.favorite-card:hover { border-color: var(--accent); }
.favorite-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.favorite-card-star { color: var(--drill); font-size: 18px; line-height: 1; text-align: center; }
.favorite-card-main { display: grid; gap: 1px; min-width: 0; }
.favorite-card-title { font-size: 14px; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.favorite-card-meta { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.detail-navigation {
  display: inline-flex; align-items: stretch; margin: 0 0 12px;
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: var(--surface); box-shadow: 0 1px 2px color-mix(in srgb, var(--ink) 4%, transparent);
}
.detail-navigation-button {
  appearance: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 34px; margin: 0; padding: 7px 10px; border: 0; border-right: 1px solid var(--border);
  background: transparent; color: var(--ink-2); cursor: pointer; font: inherit; font-size: 12.5px; font-weight: 650;
  line-height: 1; white-space: nowrap;
}
.detail-navigation-button:last-child { border-right: 0; }
.detail-navigation-button:hover { background: color-mix(in srgb, var(--accent) 9%, transparent); color: var(--accent); }
.detail-navigation-button:disabled { color: var(--muted); cursor: default; }
.detail-navigation-button:disabled:hover { background: transparent; color: var(--muted); }
.detail-navigation-button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; position: relative; z-index: 1; }
.detail-navigation-button.all { color: var(--accent); }
.detail-navigation-icon { width: 16px; height: 16px; flex: none; fill: currentColor; }

/* ---------- timeline strip ---------- */
/* SVG geometry avoids inline styles, which are deliberately rejected by the CSP. */
.strip { display: block; width: 100%; height: 26px; border-radius: 6px; overflow: hidden; background: var(--page); }
.strip .seg.work  { fill: var(--work); }
.strip .seg.drill { fill: var(--drill); }
.strip .seg.rest  { fill: var(--rest); opacity: 0.55; }
.strip .seg { cursor: pointer; }
.strip .seg:hover { filter: brightness(1.08); }
.strip .seg.selected, .strip .seg:focus-visible {
  stroke: var(--ink); stroke-width: 2; vector-effect: non-scaling-stroke;
}

.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); margin-top: 10px; }
.legend .key { display: inline-flex; align-items: center; gap: 6px; }
.legend .swatch, .cellkey .swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.swatch.phase-work { background: var(--work); }
.swatch.phase-drill { background: var(--drill); }
.swatch.phase-rest { background: var(--rest); opacity: 0.55; }

/* ---------- charts ---------- */
.chart-wrap { position: relative; }
.chart-wrap svg { display: block; width: 100%; height: auto; }
.chart-title { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.chart-title .dot { width: 9px; height: 9px; border-radius: 50%; flex: none; position: relative; top: -1px; }
.chart-title .dot.tone-pace { background: var(--pace); }
.chart-title .dot.tone-cad { background: var(--cad); }
.chart-title .dot.tone-hr { background: var(--hr); }
.chart-title h3 { font-size: 13.5px; font-weight: 650; margin: 0; }
.chart-title .unit { font-size: 12px; color: var(--muted); }
.chart-block { margin-bottom: 18px; }
.chart-block:last-child { margin-bottom: 0; }

#tooltip {
  position: fixed; z-index: 30; pointer-events: none; display: none;
  background: var(--tooltip-bg); color: var(--tooltip-ink);
  font-size: 12.5px; line-height: 1.45; padding: 8px 11px; border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25); max-width: 260px;
}
#tooltip .tt-title { font-weight: 650; margin-bottom: 2px; }
#tooltip .tt-row { display: flex; gap: 10px; justify-content: space-between; }
#tooltip .tt-row b { font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: right; padding: 7px 12px; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; padding-left: 0; }
th:last-child, td:last-child { padding-right: 0; }
th { font-size: 11px; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--grid); }
td { border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; color: var(--ink); }
tr:last-child td { border-bottom: none; }
.like-cell { width: 1%; padding-left: 4px; }
.like-button {
  appearance: none; border: 1px solid var(--border); border-radius: 999px; padding: 5px 9px;
  background: var(--surface); color: var(--ink-2); font: inherit; font-size: 13px; font-weight: 550; cursor: pointer;
}
.like-button:hover, .like-button[aria-pressed="true"] { border-color: var(--drill); color: var(--drill); }
.like-button:disabled { opacity: 0.55; cursor: wait; }
.like-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.like-button.compact { min-width: 30px; padding: 3px 6px; font-size: 17px; line-height: 1; }
td .cellkey { display: inline-flex; align-items: center; gap: 7px; }
.sort-button {
  appearance: none; display: inline-flex; align-items: center; justify-content: flex-end; gap: 5px;
  width: 100%; border: 0; padding: 0; background: none; color: inherit;
  font: inherit; letter-spacing: inherit; text-transform: inherit; white-space: nowrap; cursor: pointer;
}
th:first-child .sort-button { justify-content: flex-start; }
.sort-button:hover { color: var(--ink-2); }
.sort-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.sort-indicator { min-width: 10px; color: var(--accent); font-size: 12px; line-height: 1; }

details.datatable summary { cursor: pointer; font-size: 13.5px; font-weight: 550; color: var(--ink-2); }
details.datatable[open] summary { margin-bottom: 10px; }
.detail-description { margin: 0 0 10px; }
.detail-controls { margin: 0 0 10px; }
.detail-distance-toggle-label { display: inline-flex; align-items: center; gap: 9px; color: var(--ink-2); font-size: 12.5px; font-weight: 550; cursor: pointer; }
.detail-distance-toggle {
  position: absolute; inline-size: 1px; block-size: 1px; margin: -1px; clip: rect(0 0 0 0); overflow: hidden;
}
.detail-distance-toggle-slider { position: relative; inline-size: 36px; block-size: 20px; border-radius: 999px; background: var(--baseline); transition: background-color 0.15s ease; }
.detail-distance-toggle-slider::after { content: ""; position: absolute; inset: 3px auto 3px 3px; inline-size: 14px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 2px rgba(0,0,0,0.2); transition: transform 0.15s ease; }
.detail-distance-toggle:checked + .detail-distance-toggle-slider { background: var(--accent); }
.detail-distance-toggle:checked + .detail-distance-toggle-slider::after { transform: translateX(16px); }
.detail-distance-toggle:focus-visible + .detail-distance-toggle-slider { outline: 2px solid var(--accent); outline-offset: 2px; }

.segment-filters {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; margin: -2px 0 12px;
}
.segment-filter-buttons { display: flex; gap: 6px; flex-wrap: wrap; }
.segment-filter {
  appearance: none; display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--border); border-radius: 999px; padding: 5px 10px;
  background: var(--surface); color: var(--ink-2); font: inherit;
  font-size: 12.5px; font-weight: 550; cursor: pointer;
}
.segment-filter:hover { border-color: var(--accent); }
.segment-filter[aria-pressed="true"] {
  border-color: var(--accent); color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.segment-filter:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.segment-filter:disabled { opacity: 0.45; cursor: default; }
.segment-filter-count {
  min-width: 19px; border-radius: 999px; padding: 0 5px;
  background: var(--page); color: var(--muted); font-size: 11px;
  font-variant-numeric: tabular-nums; text-align: center;
}
.segment-filter[aria-pressed="true"] .segment-filter-count { color: var(--ink-2); }
.segment-filter-status { color: var(--muted); font-size: 12px; }
.segment-filter-status[data-selected="true"] { color: var(--ink-2); font-weight: 600; }

.segment-row { --segment-color: var(--work); }
.segment-row.phase-work { --segment-color: var(--work); }
.segment-row.phase-drill { --segment-color: var(--drill); }
.segment-row.phase-rest { --segment-color: var(--rest); }
.segment-row td {
  cursor: pointer;
  transition: background-color 0.12s ease;
}
.segment-row:hover td { background: color-mix(in srgb, var(--segment-color) 7%, transparent); }
.segment-row.selected td { background: color-mix(in srgb, var(--segment-color) 10%, transparent); }
.segment-row.selected { outline: 2px solid var(--ink); outline-offset: -2px; }
.segment-row:focus-visible:not(.selected) { outline: 2px solid var(--accent); outline-offset: -2px; }
.segment-table th:first-child, .segment-table td:first-child { padding-left: 10px; }
.segment-table th:last-child, .segment-table td:last-child { padding-right: 10px; }
.gps-selection-note {
  margin: 8px 0 0; color: var(--ink-2); font-size: 12.5px; font-weight: 550;
}

/* ---------- settings ---------- */
.settings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.setting-control { display: grid; gap: 7px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--field); }
.setting-control-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.setting-control-label { font-size: 12px; color: var(--ink-2); font-weight: 600; }
.setting-control-output { font-variant-numeric: tabular-nums; color: var(--ink); font-size: 13px; white-space: nowrap; }
.setting-control input[type="range"] { accent-color: var(--accent); width: 100%; margin: 0; }

/* ---------- empty state / dropzone ---------- */
.dropzone {
  border: 1.5px dashed var(--baseline); border-radius: 14px; padding: 48px 28px;
  text-align: center; color: var(--ink-2); background: var(--surface);
}
.dropzone h2 { font-size: 17px; font-weight: 650; color: var(--ink); margin: 0 0 6px; }
.dropzone p { margin: 0 0 4px; max-width: 52ch; margin-inline: auto; }
.dropzone .btn { margin-top: 16px; }

/* Pagine di errore statiche (404, link di accesso non valido): niente JavaScript,
   quindi il pulsante di ritorno è un semplice link con l'aspetto di un bottone. */
.error-page { margin-top: 6vh; }
.error-page .eyebrow { display: block; margin-bottom: 8px; }
a.btn { display: inline-flex; align-items: center; text-decoration: none; }
body.dragging .dropzone, body.dragging .app { outline: none; }
#drop-veil {
  position: fixed; inset: 0; z-index: 40; display: none; place-items: center;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 3px dashed var(--accent); font-size: 18px; font-weight: 650; color: var(--ink);
}
body.dragging #drop-veil { display: grid; }

#toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: var(--tooltip-bg); color: var(--tooltip-ink); font-size: 13.5px;
  padding: 9px 16px; border-radius: 9px; display: none; z-index: 50; max-width: 80vw;
}

.note { font-size: 13px; color: var(--muted); }
.detail-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.detail-head > * { min-width: 0; }
.detail-head h2 { font-size: 17px; font-weight: 650; margin: 0; }
.detail-head .note, .shared-workout-label, .workout-description-summary { overflow-wrap: anywhere; }
.detail-head .spacer { margin-left: auto; }
.detail-actions { display: flex; align-items: center; gap: 8px; }
.shared-workout-label { font-size: 12px; font-weight: 600; border: 1px solid; border-radius: 999px; padding: 4px 9px; }

/* ---------- workout description ---------- */
.detail-actions .like-button,
.detail-action-button {
  width: 34px; height: 34px; min-width: 34px; padding: 0; border-radius: 9px;
  display: grid; place-items: center;
}
.detail-actions .like-button { font-size: 18px; }
.detail-action-button svg { width: 16px; height: 16px; fill: currentColor; }
.detail-action-button .detail-action-icon { fill: none; }

/* ---------- workout tags ---------- */
.workout-tag-summary { display: flex; gap: 5px; flex-wrap: wrap; margin: -8px 0 12px; }
.tag-choice-list { display: flex; gap: 6px; flex-wrap: wrap; }
.tag-choice {
  appearance: none; display: inline-flex; align-items: center; gap: 5px; padding: 5px 9px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--ink-2);
  font: inherit; font-size: 12.5px; font-weight: 550; cursor: pointer;
}
.tag-choice:hover { border-color: var(--accent); }
.tag-choice[aria-pressed="true"] { border-color: var(--accent); color: var(--ink); box-shadow: inset 0 0 0 1px var(--accent); }
.tag-choice:focus-visible, .tag-icon-choice:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tag-empty { margin: 0; }
.tag-create-form { display: grid; grid-template-columns: auto minmax(180px, 1fr) auto; align-items: center; gap: 8px; margin-top: 12px; }
.tag-icon-picker { display: flex; gap: 4px; }
.tag-icon-choice {
  appearance: none; display: grid; place-items: center; width: 30px; height: 30px; padding: 0;
  border: 1px solid var(--border); border-radius: 7px; background: var(--surface); color: var(--ink-2); cursor: pointer;
}
.tag-icon-choice:hover, .tag-icon-choice[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.tag-icon-choice .tag-icon { width: 16px; height: 16px; }
.tag-name-input {
  font-size: 13px;
}
.workout-description-summary {
  margin: -4px 0 16px; color: var(--ink-2); font-size: 13px; line-height: 1.5;
}
.workout-description-summary > :first-child { margin-top: 0; }
.workout-description-summary > :last-child { margin-bottom: 0; }
.workout-description-summary p { margin: 0 0 8px; }
.workout-description-summary h1, .workout-description-summary h2, .workout-description-summary h3,
.workout-description-summary h4, .workout-description-summary h5, .workout-description-summary h6 {
  margin: 14px 0 6px; color: var(--ink); font-size: 14px; font-weight: 650;
}
.workout-description-summary ul, .workout-description-summary ol { margin: 0 0 8px; padding-left: 20px; }
.workout-description-summary blockquote {
  margin: 0 0 8px; padding-left: 10px; border-left: 2px solid var(--baseline); color: var(--muted);
}
.workout-description-summary pre {
  margin: 0 0 8px; padding: 8px 10px; overflow-x: auto; border-radius: 7px;
  background: color-mix(in srgb, var(--ink) 6%, transparent); color: var(--ink); font: 12px/1.45 ui-monospace, monospace;
}
.workout-description-summary code { font: 0.92em ui-monospace, monospace; }
.workout-description-summary :not(pre) > code { padding: 1px 3px; border-radius: 3px; background: color-mix(in srgb, var(--ink) 7%, transparent); }
.workout-description-summary a { color: var(--accent); }
.workout-description-form { display: flex; flex-direction: column; gap: 10px; }
.workout-description-input {
  resize: vertical; min-height: 108px; line-height: 1.5;
}
.workout-description-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------- sharing ---------- */
.workout-sharing { display: grid; gap: 12px; }
.workout-sharing > .sub { margin-bottom: 0; }
.share-search { display: grid; gap: 6px; }
.share-search-label { color: var(--ink-2); font-size: 12px; font-weight: 600; }
.share-search-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.share-search-submit { min-width: 96px; }
.share-search-feedback { min-height: 1.2em; margin: 0; }
.share-search-results { display: grid; gap: 5px; }
.share-search-result {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--page); color: var(--ink);
  text-align: left; font: inherit; cursor: pointer;
}
.share-search-result:hover { border-color: var(--accent); }
.share-recipient-list { display: grid; gap: 7px; }
.share-recipient { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px; border: 1px solid var(--grid); border-radius: 9px; background: var(--page); }
.share-recipient-main { display: grid; min-width: 0; gap: 1px; }
.share-recipient-main strong { overflow-wrap: anywhere; }
.share-add-label { color: var(--accent); font-size: 12px; font-weight: 650; flex: none; }
.share-remove { flex: none; padding: 6px 9px; font-size: 12px; }
.sharing-empty { margin: 0; }

/* ---------- auth screen ---------- */
.auth-card {
  position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; max-width: 390px; margin: 36px auto 0; box-shadow: var(--shadow-sm);
}
.auth-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--accent), var(--cad)); }
.auth-card h2 { font-size: 18px; font-weight: 650; margin: 0 0 4px; }
.auth-form { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.auth-form .btn { margin-top: 2px; }
.auth-err { color: var(--hr); font-size: 12.5px; margin: 0; min-height: 1.2em; }
.auth-toggle { font-size: 13px; color: var(--muted); text-align: center; margin: 16px 0 0; }
.auth-toggle a { color: var(--accent); font-weight: 550; text-decoration: none; }
.auth-toggle a:hover { text-decoration: underline; }

/* ---------- user management ---------- */
.management-create {
  display: grid; gap: 12px; padding: 14px; margin-top: 18px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--field);
}
.management-section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.management-section-head h3 { margin: 0; font-size: 14px; font-weight: 650; }
.management-section-head p { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.management-count {
  min-width: 26px; padding: 3px 8px; border: 1px solid var(--border); border-radius: 999px;
  color: var(--ink-2); font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums; text-align: center;
}
.user-form {
  display: grid; grid-template-columns: minmax(180px, 1.35fr) minmax(180px, 1.2fr) minmax(130px, 0.7fr) auto;
  align-items: end; gap: 8px;
}
.user-form > * { min-width: 0; }
.user-role-field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-weight: 600; color: var(--ink-2); }
.role-picker { display: flex; min-width: 0; gap: 4px; padding: 3px; border: 1px solid var(--border); border-radius: 9px; background: var(--page); }
.role-option { position: relative; flex: 1; min-width: 0; }
.role-option input { position: absolute; opacity: 0; pointer-events: none; }
.role-option span { display: block; padding: 6px 8px; border-radius: 6px; color: var(--muted); font-size: 12px; line-height: 1.2; text-align: center; cursor: pointer; overflow-wrap: anywhere; }
.role-option input:checked + span { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px color-mix(in srgb, var(--ink) 12%, transparent); }
.role-option:focus-within span { outline: 2px solid var(--accent); outline-offset: 1px; }
.user-form .form-message { grid-column: 1 / -1; }
.management-table-section { margin-top: 24px; }
.management-table-section > .management-section-head { margin-bottom: 10px; }
.management-table {
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ink) 3%, transparent);
}
.management-table table { min-width: 720px; }
.management-table th, .management-table td { padding: 11px 12px; vertical-align: middle; }
.management-table th { background: color-mix(in srgb, var(--field) 88%, transparent); }
.management-table th:first-child, .management-table td:first-child { padding-left: 14px; }
.management-table th:last-child, .management-table td:last-child { padding-right: 14px; }
.management-table tbody tr { transition: background-color 0.12s ease; }
.management-table tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }
.user-identity { display: flex; align-items: center; gap: 7px; min-width: 180px; }
.user-identity strong { overflow-wrap: anywhere; }
.role-pill, .token-status, .user-current {
  display: inline-flex; align-items: center; width: fit-content; border-radius: 999px;
  padding: 3px 8px; font-size: 11.5px; font-weight: 650; white-space: nowrap;
}
.role-pill { background: var(--field); color: var(--ink-2); border: 1px solid var(--border); }
.role-pill.admin { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 44%, var(--border)); background: var(--accent-soft); }
.activity-summary { display: flex; gap: 8px; font-size: 12px; color: var(--muted); white-space: nowrap; }
.activity-summary span + span { padding-left: 8px; border-left: 1px solid var(--grid); }
.activity-summary b { color: var(--ink); font-variant-numeric: tabular-nums; }
.table-actions { display: flex; align-items: center; justify-content: flex-end; gap: 6px; white-space: nowrap; }
.table-action { min-height: 30px; padding: 5px 8px; font-size: 12px; }
.user-current { color: var(--muted); background: var(--field); }
.temp-password { margin-left: 7px; color: var(--drill); border-color: color-mix(in srgb, var(--drill) 45%, var(--border)); }
.access-token-section { display: grid; gap: 10px; padding-top: 24px; margin-top: 24px; border-top: 1px solid var(--grid); }
.access-token-form {
  display: grid; grid-template-columns: minmax(180px, 1.4fr) minmax(150px, 0.8fr) auto; align-items: end; gap: 10px;
}
.access-token-form .form-message { grid-column: 1 / -1; }
.access-token-link-box { display: grid; gap: 6px; padding: 12px; border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border)); border-radius: 9px; background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.access-token-link-box > p { margin: 0; }
.access-token-link-actions { display: flex; gap: 8px; }
.access-token-link { flex: 1; }
.token-name { font-weight: 650; overflow-wrap: anywhere; }
.token-expiry { display: flex; align-items: center; gap: 7px; }
.token-expiry .form-control { width: 145px; min-height: 32px; padding-block: 5px; }
.token-expiry-detail { display: block; margin-top: 3px; }
.token-status { border: 1px solid var(--border); color: var(--ink-2); background: var(--field); }
.token-status.active { color: var(--cad); border-color: color-mix(in srgb, var(--cad) 45%, var(--border)); }
.token-status.expired { color: var(--hr); border-color: color-mix(in srgb, var(--hr) 45%, var(--border)); }

@media (max-width: 760px) {
  .management-section-head { align-items: center; }
  .user-form { grid-template-columns: 1fr 1fr; }
  .user-role-field, .user-form > .btn { grid-column: 1 / -1; }
  .user-form > .btn { width: 100%; }
  .management-table { overflow-x: visible; }
  .management-table table, .management-table tbody, .management-table tr, .management-table td { display: block; width: 100%; min-width: 0; }
  .management-table thead { display: none; }
  .management-table tr { padding: 10px 12px; border-bottom: 1px solid var(--grid); }
  .management-table tr:last-child { border-bottom: 0; }
  .management-table td {
    display: grid; grid-template-columns: minmax(88px, 0.8fr) minmax(0, 1.2fr); align-items: start; gap: 10px;
    padding: 5px 0; border: 0; text-align: left; white-space: normal;
  }
  .management-table td::before { content: attr(data-label); color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
  .management-table td:first-child, .management-table td:last-child { padding-left: 0; padding-right: 0; }
  .table-actions { justify-content: flex-start; flex-wrap: wrap; }
  .user-identity { min-width: 0; flex-wrap: wrap; }
  .activity-summary { align-items: center; }
  .access-token-form { grid-template-columns: 1fr 1fr; }
  .access-token-form > .btn { grid-column: 1 / -1; width: 100%; }
  .token-expiry { align-items: flex-start; flex-direction: column; }
  .token-expiry .form-control { width: 100%; }
  .access-token-link-actions { flex-direction: column; }
  .share-search-controls { grid-template-columns: minmax(0, 1fr); }
  .share-search-submit { width: 100%; }
  .share-recipient { align-items: flex-start; }
  .share-recipient { flex-direction: column; }
  .share-remove { width: 100%; }
  .workout-filter-chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 2px; scrollbar-width: thin; }
  .workout-filter-chip { flex: 0 0 auto; }
  .tag-create-form { grid-template-columns: 1fr auto; }
  .tag-icon-picker { grid-column: 1 / -1; }
  .workout-card { padding: 10px 12px; }
  .workout-card-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 5px; }
  .settings { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .app { padding: 14px 14px 64px; }
  .tabs { display: flex; width: 100%; gap: 2px; padding: 3px; flex-wrap: nowrap; }
  .tab { flex: 1 1 0; min-width: 0; padding: 6px 5px; font-size: 12.5px; }
  .detail-navigation { max-width: 100%; }
  .detail-navigation-button { min-width: 0; padding-inline: 7px; }
  .detail-navigation-label { overflow: hidden; text-overflow: ellipsis; }
}

@media (prefers-reduced-motion: no-preference) {
  .btn, .chip, .tab, .workout-card { transition: border-color 0.12s ease, color 0.12s ease; }
}