/* ToastFit Workout Tracker — dashboard UI
   Palette: data-viz reference instance (validated categorical + sequential blue). */

.ff-app {
  --ff-surface:    #fcfcfb;
  --ff-plane:      #f4f4f1;
  --ff-card:       #ffffff;
  --ff-ink:        #0b0b0b;
  --ff-ink-2:      #52514e;
  --ff-muted:      #898781;
  --ff-grid:       #e1e0d9;
  --ff-baseline:   #c3c2b7;
  --ff-border:     rgba(11,11,11,0.10);
  --ff-s1:         #2a78d6;
  --ff-s2:         #eb6834;
  --ff-s3:         #1baf7a;
  --ff-s4:         #eda100;
  --ff-good:       #006300;
  --ff-bad:        #b32d2e;
  /* sequential blue ramp steps used by the heatmap */
  --ff-hm-0: #eeede9;
  --ff-hm-1: #b7d3f6;
  --ff-hm-2: #6da7ec;
  --ff-hm-3: #2a78d6;
  --ff-hm-4: #184f95;
  --ff-radius: 14px;
  --ff-shadow: 0 1px 2px rgba(11,11,11,.04), 0 8px 24px -12px rgba(11,11,11,.10);

  color: var(--ff-ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  max-width: 1040px;
  margin: 0 auto;
}

@media (prefers-color-scheme: dark) {
  .ff-app {
    --ff-surface:  #1a1a19;
    --ff-plane:    #0d0d0d;
    --ff-card:     #1f1f1e;
    --ff-ink:      #ffffff;
    --ff-ink-2:    #c3c2b7;
    --ff-muted:    #898781;
    --ff-grid:     #2c2c2a;
    --ff-baseline: #383835;
    --ff-border:   rgba(255,255,255,0.12);
    --ff-s1:       #3987e5;
    --ff-s2:       #d95926;
    --ff-s3:       #199e70;
    --ff-s4:       #c98500;
    --ff-good:     #0ca30c;
    --ff-bad:      #e66767;
    --ff-hm-0: #2c2c2a;
    --ff-hm-1: #1f5aa6;
    --ff-hm-2: #256abf;
    --ff-hm-3: #3987e5;
    --ff-hm-4: #86b6ef;
    --ff-shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px -14px rgba(0,0,0,.5);
  }
}

.ff-app * { box-sizing: border-box; }

.ff-header {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem 1rem; margin-bottom: 1.25rem;
}
.ff-header h2 { margin: 0; font-size: 1.5rem; letter-spacing: -0.01em; }
.ff-who { color: var(--ff-ink-2); font-size: .9rem; }
.ff-who a { color: var(--ff-s1); text-decoration: none; }
.ff-who a:hover { text-decoration: underline; }

/* ---- KPI row ---- */
.ff-kpis {
  display: grid; gap: 1rem; margin-bottom: 1.25rem;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 760px) { .ff-kpis { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .ff-kpis { grid-template-columns: 1fr; } }

.ff-tile {
  background: var(--ff-card); border: 1px solid var(--ff-border);
  border-radius: var(--ff-radius); padding: .95rem 1rem 1.05rem;
  box-shadow: var(--ff-shadow); position: relative; overflow: hidden;
}
.ff-tile .lbl {
  font-size: .78rem; color: var(--ff-muted); text-transform: uppercase;
  letter-spacing: .04em; font-weight: 600;
}
.ff-tile .val {
  font-size: 1.9rem; font-weight: 650; letter-spacing: -0.02em;
  margin: .15rem 0 .1rem; line-height: 1.1;
}
.ff-tile .val small { font-size: .95rem; font-weight: 550; color: var(--ff-ink-2); }
.ff-tile .sub { font-size: .82rem; color: var(--ff-ink-2); }
.ff-tile .delta { font-weight: 600; }
.ff-tile .delta.up { color: var(--ff-good); }
.ff-tile .delta.down { color: var(--ff-bad); }
.ff-tile .spark { position: absolute; right: 0; bottom: 0; width: 96px; height: 34px; opacity: .9; }

/* ---- chart cards ---- */
.ff-grid2 {
  display: grid; gap: 1rem; margin-bottom: 1rem;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 860px) { .ff-grid2 { grid-template-columns: 1fr; } }

.ff-card-box {
  background: var(--ff-card); border: 1px solid var(--ff-border);
  border-radius: var(--ff-radius); padding: 1rem 1.1rem 1.15rem;
  box-shadow: var(--ff-shadow);
}
.ff-card-box h3 { margin: 0 0 .15rem; font-size: 1rem; letter-spacing: -0.01em; }
.ff-card-box .cap { margin: 0 0 .8rem; font-size: .82rem; color: var(--ff-muted); }
.ff-canvas-wrap { position: relative; height: 240px; }
.ff-canvas-wrap.tall { height: 260px; }

/* ---- heatmap ---- */
.ff-heat { overflow-x: auto; padding-bottom: .2rem; }
.ff-heat-grid {
  display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 13px);
  gap: 3px; width: max-content;
}
.ff-heat-cell {
  width: 13px; height: 13px; border-radius: 3px; background: var(--ff-hm-0);
}
.ff-heat-cell[data-l="1"] { background: var(--ff-hm-1); }
.ff-heat-cell[data-l="2"] { background: var(--ff-hm-2); }
.ff-heat-cell[data-l="3"] { background: var(--ff-hm-3); }
.ff-heat-cell[data-l="4"] { background: var(--ff-hm-4); }
.ff-heat-legend {
  display: flex; align-items: center; gap: 4px; margin-top: .6rem;
  font-size: .75rem; color: var(--ff-muted);
}
.ff-heat-legend i { width: 13px; height: 13px; border-radius: 3px; display: inline-block; background: var(--ff-hm-0); }

/* ---- form + table ---- */
.ff-log {
  background: var(--ff-card); border: 1px solid var(--ff-border);
  border-radius: var(--ff-radius); padding: 1rem 1.1rem 1.15rem;
  box-shadow: var(--ff-shadow); margin-bottom: 1rem;
}
.ff-flash { color: var(--ff-good); font-weight: 600; margin: -.3rem 0 .7rem; }

/* ---- body stats ---- */
.ff-bs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 620px) { .ff-bs-grid { grid-template-columns: 1fr; } }
.ff-bs-read { display: flex; flex-direction: column; gap: .7rem; }
.ff-bs-item .lbl { display: block; font-size: .74rem; color: var(--ff-muted); text-transform: uppercase;
  letter-spacing: .04em; font-weight: 600; }
.ff-bs-item .val { font-size: 1.25rem; font-weight: 650; letter-spacing: -.01em; }
.ff-bs-item .val small { font-size: .8rem; font-weight: 500; color: var(--ff-ink-2); margin-left: .3rem; }
.ff-bs-item .delta { font-weight: 600; font-size: .82rem; }
.ff-bs-item .delta.up { color: var(--ff-ink-2); } /* weight gain isn't inherently good/bad */
.ff-bs-item .delta.down { color: var(--ff-ink-2); }
.ff-bs-item .sub { font-size: .8rem; color: var(--ff-muted); }
.ff-bs-dim { color: var(--ff-muted); font-weight: 400; font-size: .95rem; }
.ff-bs-forms { display: flex; flex-direction: column; gap: .9rem; }
.ff-bs-flabel { font-size: .78rem; color: var(--ff-muted); font-weight: 600; display: block; margin-bottom: .3rem; }
.ff-bs-row { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.ff-bs-row input[type=number] { max-width: 5.5rem; }
.ff-bs-row select { max-width: 4.5rem; }
.ff-bs-u { font-size: .82rem; color: var(--ff-muted); }
.ff-bs-form .ff-btn { margin-top: 0; padding: .5rem 1rem; }

.ff-log h3 { margin: 0 0 .8rem; font-size: 1rem; }
.ff-log-grid { display: flex; gap: 1.2rem; align-items: flex-start; }
.ff-log-main { flex: 1 1 auto; min-width: 0; }
.ff-bodymap { flex: 0 0 190px; text-align: center; }
.ff-bm-title { margin: 0 0 .4rem; font-size: .74rem; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ff-muted); }
#ff-body { width: 100%; height: auto; max-width: 220px; }
#ff-body .ff-sil { fill: rgba(255,255,255,.09); }
#ff-body .m { fill: rgba(255,255,255,.19); transition: fill .2s; }
#ff-body .m.on { fill: var(--ff-s2); }
.ff-bm-lbl { fill: var(--ff-muted); font-size: 9px; text-anchor: middle; font-family: system-ui, sans-serif; }

/* training-balance figure on the Progress page */
.ff-progress-body .ff-pb-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.ff-progress-body .ff-pb-head h3 { margin: 0 0 .15rem; }
.ff-sex-form label { font-size: .78rem; color: var(--ff-muted); font-weight: 600; display: flex; align-items: center; gap: .4rem; }
.ff-pb-figure { text-align: center; margin: .5rem 0 .3rem; }
#ff-balance { width: 100%; height: auto; max-width: 340px; }
#ff-balance .ff-sil { fill: rgba(255,255,255,.08); }
#ff-balance .m { fill: rgba(255,255,255,.10); }
#ff-balance .m[data-level="1"] { fill: var(--ff-hm-1); }
#ff-balance .m[data-level="2"] { fill: var(--ff-hm-2); }
#ff-balance .m[data-level="3"] { fill: var(--ff-hm-3); }
#ff-balance .m[data-level="4"] { fill: var(--ff-hm-4); }
.ff-pb-legend { display: flex; align-items: center; gap: 4px; justify-content: center; flex-wrap: wrap;
  font-size: .74rem; color: var(--ff-muted); }
.ff-pb-legend i { width: 13px; height: 13px; border-radius: 3px; display: inline-block; background: rgba(255,255,255,.10); }
.ff-pb-legend i[data-level="1"] { background: var(--ff-hm-1); }
.ff-pb-legend i[data-level="2"] { background: var(--ff-hm-2); }
.ff-pb-legend i[data-level="3"] { background: var(--ff-hm-3); }
.ff-pb-legend i[data-level="4"] { background: var(--ff-hm-4); }
.ff-pb-legnote { margin-left: .3rem; }

/* today's plan card */
.ff-plan-today .ff-plan-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.ff-plan-today h3 { margin: .1rem 0 0; }
.ff-plan-kicker { margin: 0; font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; color: var(--ff-muted); }
.ff-plan-list { list-style: none; margin: .8rem 0 0; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.ff-plan-pick { width: 100%; display: flex; align-items: center; gap: .6rem; text-align: left;
  background: var(--ff-plane); border: 1px solid var(--ff-border); border-radius: 9px; padding: .55rem .7rem;
  font: inherit; color: var(--ff-ink); cursor: pointer; }
.ff-plan-pick:hover { border-color: var(--ff-s1); }
.ff-plan-ex { font-weight: 600; flex: 1; }
.ff-plan-sr { font-size: .82rem; color: var(--ff-muted); font-variant-numeric: tabular-nums; }
.ff-plan-go { font-size: .78rem; color: var(--ff-s1); font-weight: 600; }
.ff-btn-ghost { display: inline-block; background: transparent; color: var(--ff-ink); border: 1px solid var(--ff-border);
  border-radius: 8px; padding: .5rem 1rem; font: inherit; font-weight: 650; cursor: pointer; }
.ff-btn-ghost:hover { border-color: var(--ff-s1); color: var(--ff-s1); }
.ff-btn-danger { background: transparent; border: 1px solid rgba(179,45,46,.5); color: var(--ff-bad);
  border-radius: 8px; padding: .5rem .9rem; font: inherit; font-weight: 600; cursor: pointer; }
.ff-btn-danger:hover { background: rgba(179,45,46,.1); }
.ff-plan-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .6rem 0; border-bottom: 1px solid var(--ff-border); flex-wrap: wrap; }
.ff-plan-row:last-child { border-bottom: 0; }
.ff-plan-row-btns { display: flex; gap: .4rem; }
.ff-plan-row-btns form { display: inline; }

/* plan builder */
#ff-plan-builder .pb-name { display: block; font-size: .8rem; font-weight: 650; color: var(--ff-muted); margin-bottom: 1rem; }
#ff-plan-builder .pb-name input { display: block; margin-top: .3rem; max-width: 22rem; font-size: 1rem; }
.pb-day { border: 1px solid var(--ff-border); border-radius: 11px; padding: .8rem; margin-bottom: .9rem; background: var(--ff-plane); }
.pb-day-head { display: flex; gap: .5rem; align-items: center; margin-bottom: .6rem; }
.pb-day-name { font-weight: 650; flex: 1; max-width: 16rem; }
.pb-rm-day { background: transparent; border: 1px solid var(--ff-border); color: var(--ff-muted); border-radius: 7px;
  padding: .3rem .55rem; font: inherit; font-size: .8rem; cursor: pointer; }
.pb-rm-day:hover { color: var(--ff-bad); border-color: var(--ff-bad); }
.pb-ex-list { list-style: none; margin: 0 0 .6rem; padding: 0; display: flex; flex-direction: column; gap: .35rem; }
.pb-ex-list li { display: flex; align-items: center; gap: .5rem; background: var(--ff-card); border: 1px solid var(--ff-border);
  border-radius: 8px; padding: .4rem .55rem; flex-wrap: wrap; }
.pb-ex-name { font-weight: 600; flex: 1; min-width: 8rem; }
.pb-ex-sr { display: flex; align-items: center; gap: .3rem; font-size: .85rem; color: var(--ff-muted); }
.pb-ex-sr input { max-width: 3.6rem; }
.pb-rm-ex { background: transparent; border: none; color: var(--ff-muted); font-size: 1rem; cursor: pointer; padding: 0 .2rem; }
.pb-rm-ex:hover { color: var(--ff-bad); }
.pb-add-ex { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.pb-add-ex select { max-width: 12rem; }
.pb-add { background: var(--ff-s1); color: #fff; border: 0; border-radius: 8px; padding: .5rem .9rem; font: inherit; font-weight: 650; cursor: pointer; }
.pb-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-top: .5rem; }
.pb-actions #pb-add-day { background: transparent; border: 1px dashed var(--ff-border); color: var(--ff-ink-2);
  border-radius: 8px; padding: .5rem 1rem; font: inherit; font-weight: 600; cursor: pointer; }
.pb-actions #pb-add-day:hover { border-color: var(--ff-s1); color: var(--ff-s1); }
#pb-msg { font-size: .85rem; color: var(--ff-muted); }
#pb-msg.pb-err { color: var(--ff-bad); }
.ff-bm-cap { margin: .5rem 0 0; font-size: .78rem; line-height: 1.4; color: var(--ff-ink-2); min-height: 2.2em; }
@media (max-width: 640px) {
  .ff-log-grid { flex-direction: column; }
  .ff-bodymap { flex: none; width: 100%; max-width: 260px; margin: .4rem auto 0; }
}
.ff-fields { display: flex; flex-wrap: wrap; gap: .7rem; }
.ff-field { display: flex; flex-direction: column; gap: .25rem; }
.ff-field.grow { flex: 1 1 180px; }
.ff-field span { font-size: .78rem; color: var(--ff-muted); font-weight: 600; }
.ff-app input[type=text], .ff-app input[type=number], .ff-app textarea, .ff-app select {
  background: var(--ff-surface); color: var(--ff-ink);
  border: 1px solid var(--ff-border); border-radius: 8px; padding: .5rem .6rem;
  font: inherit; width: 100%;
}
.ff-app select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ff-muted) 50%), linear-gradient(135deg, var(--ff-muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 55%, calc(100% - 10px) 55%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 1.8rem; }
.ff-app input:focus, .ff-app textarea:focus, .ff-app select:focus {
  outline: 2px solid var(--ff-s1); outline-offset: 1px; border-color: transparent;
}
.ff-num { max-width: 6.5rem; }
.ff-field-label { font-size: .78rem; color: var(--ff-muted); font-weight: 600; display: block; margin-bottom: .35rem; }
.ff-feel-row { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.ff-feel-row input[type=range] { flex: 1 1 160px; max-width: 260px; accent-color: var(--ff-s1); height: 22px; }
.ff-feel-face { font-size: 1.5rem; line-height: 1; }
.ff-feel-word { font-weight: 650; min-width: 3.2rem; }
.ff-feel-num { font-size: .8rem; color: var(--ff-muted); font-variant-numeric: tabular-nums; }
.ff-feel-tired { display: inline-flex; align-items: center; gap: .45rem; margin-top: .55rem;
  font-size: .86rem; color: var(--ff-ink-2); cursor: pointer; }
.ff-feel-tired input { width: 15px; height: 15px; accent-color: var(--ff-s1); cursor: pointer; }
.ff-btn {
  display: inline-block; background: var(--ff-s1); color: #fff; border: 0;
  border-radius: 8px; padding: .58rem 1.2rem; font: inherit; font-weight: 650;
  cursor: pointer; margin-top: .8rem;
}
.ff-btn:hover { filter: brightness(1.08); }
.ff-btn.google { background: #fff; color: #1f1f1f; border: 1px solid var(--ff-border); }
.ff-btn.google::before { content: "G\00a0\00a0"; color: #4285F4; font-weight: 800; }
@media (prefers-color-scheme: dark) { .ff-btn.google { background: #2a2a28; color: #fff; } }

.ff-table-wrap { overflow-x: auto; }
table.ff-table { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.ff-table th, table.ff-table td {
  text-align: left; padding: .5rem .7rem; border-bottom: 1px solid var(--ff-border);
}
table.ff-table th {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--ff-muted); font-weight: 600;
}
table.ff-table td { font-variant-numeric: tabular-nums; }
table.ff-table tr:last-child td { border-bottom: 0; }
.ff-empty {
  text-align: center; color: var(--ff-ink-2); padding: 1.5rem 1rem;
  border: 1px dashed var(--ff-border); border-radius: var(--ff-radius);
}
details.ff-details summary {
  cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--ff-ink-2);
  padding: .4rem 0;
}
.ff-signin { text-align: center; padding: 2rem 1rem; }
.ff-signin p { color: var(--ff-ink-2); }

/* ---- plate calculator ---- */
.pl-tabs { display: flex; gap: .4rem; margin-bottom: 1rem; }
.pl-tab { flex: 1; background: var(--ff-plane); border: 1px solid var(--ff-border);
  color: var(--ff-ink-2); border-radius: 9px; padding: .5rem .4rem; font: inherit;
  font-weight: 650; font-size: .88rem; cursor: pointer; }
.pl-tab.is-on { background: var(--ff-s1); color: #fff; border-color: transparent; }
.ff-plates .pl-controls { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: .9rem; }
.ff-plates #pl-unit { max-width: 5.5rem; }
.pl-pane { margin-bottom: .3rem; }
.pl-pane .cap { margin: 0 0 .6rem; }
.pl-steppers { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .5rem; }
.pl-step { display: flex; align-items: center; gap: .45rem; background: var(--ff-plane);
  border: 1px solid var(--ff-border); border-radius: 10px; padding: .4rem .55rem; }
.pl-sw { width: 13px; height: 13px; border-radius: 3px; border: 1px solid rgba(0,0,0,.3); flex-shrink: 0; }
.pl-pv { font-size: .82rem; font-weight: 650; flex: 1; white-space: nowrap; }
.pl-mi { width: 28px; height: 28px; border-radius: 7px; border: 1px solid var(--ff-border);
  background: var(--ff-card); color: var(--ff-ink); font-size: 1.1rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pl-mi:hover { border-color: var(--ff-s1); color: var(--ff-s1); }
.pl-ct { min-width: 1.2rem; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.pl-viz { display: flex; flex-direction: column; align-items: center; gap: .3rem; margin-top: .9rem;
  background: var(--ff-plane); border: 1px solid var(--ff-border); border-radius: 10px;
  padding: .8rem .5rem .7rem; }
.pl-svg { max-width: 100%; height: auto; }
.pl-total { font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; display: flex;
  align-items: baseline; gap: .45rem; }
.pl-total span { font-weight: 500; font-size: .78rem; color: var(--ff-muted); }
.pl-breakdown { margin-top: .7rem; display: flex; flex-direction: column; gap: .35rem; }
.pl-say { margin: 0; font-size: .92rem; line-height: 1.5; display: flex; flex-wrap: wrap;
  align-items: center; gap: .35rem; }
.pl-say.pl-dim { color: var(--ff-muted); font-size: .84rem; }
.pl-chip { display: inline-flex; align-items: center; gap: .35rem; background: var(--ff-card);
  border: 1px solid var(--ff-border); border-radius: 999px; padding: .18rem .55rem;
  font-size: .82rem; font-weight: 650; color: var(--ff-ink); font-variant-numeric: tabular-nums; }
.pl-chip i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; border: 1px solid rgba(0,0,0,.3); }
.pl-warn { color: var(--ff-bad); font-size: .8rem; font-weight: 600; }