/* Trainer GUI — Material warm-white, calm blue */

body { overflow: hidden; }

/* ─── Header ─── */
.app-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--s-5);
  padding: 0 var(--s-5);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 50;
}
.brand { display: flex; align-items: center; gap: var(--s-2); flex-shrink: 0; }
.brand-mark { color: var(--accent); display: inline-flex; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-muted);
  padding: 2px 6px;
  border-radius: var(--r-xs);
  background: var(--bg-sunken);
  border: 1px solid var(--border-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.player-tabs { display: flex; gap: var(--s-2); align-items: center; }
.player-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px var(--s-3);
  border-radius: var(--r-sm);
  background: transparent;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: all .15s;
}
.player-tab:hover { color: var(--fg); border-color: var(--border-hi); background: var(--bg-card); }
.player-tab.is-active {
  color: var(--fg);
  border-color: var(--accent-line);
  background: var(--accent-soft);
  box-shadow: var(--sh-1);
}
.player-tab.is-active .p-meta { color: var(--accent-ink); }
.player-tab .p-meta { color: var(--fg-faint); font-size: 11px; }
.player-tab.is-add { padding: 6px 8px; color: var(--fg-muted); }
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--fg-faint);
  flex-shrink: 0;
}
.dot.is-online { background: var(--good); box-shadow: 0 0 0 3px oklch(0.62 0.13 155 / 0.2); }

.view-tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
  padding: 3px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.view-tab {
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.01em;
}
.view-tab:hover { color: var(--fg); }
.view-tab.is-active {
  background: var(--bg-card);
  color: var(--fg);
  box-shadow: var(--sh-1);
}

.header-utils { display: flex; align-items: center; gap: var(--s-2); }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  color: var(--fg);
}
.status-pill .sep { color: var(--fg-faint); }

.icon-btn {
  width: 34px; height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--fg-muted);
  border: 1px solid transparent;
  transition: all .15s;
}
.icon-btn:hover { color: var(--fg); background: var(--bg-sunken); border-color: var(--border-soft); }
.icon-btn .material-symbols-outlined { font-size: 20px; }

/* ─── Main / Views ─── */
.app-main {
  height: calc(100vh - var(--header-h));
  overflow: hidden;
  position: relative;
}
.view {
  position: absolute; inset: 0;
  padding: var(--s-6);
  overflow-y: auto;
  display: none;
  flex-direction: column;
  gap: var(--s-5);
}
.view.is-active { display: flex; }

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--s-5);
}
.view-title { font-size: 24px; font-weight: 600; letter-spacing: -0.015em; color: var(--fg-strong); }
.view-actions { display: flex; align-items: center; gap: var(--s-2); }

.kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  font-weight: 600;
}

/* ─── Live grid ─── */
.live-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: var(--s-5);
  align-items: start;
}
.col-main, .col-side {
  display: flex; flex-direction: column;
  gap: var(--s-4);
  min-width: 0;
}

/* ─── Status bar ─── */
.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  padding: 10px var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-1);
}
.sb-left, .sb-right { display: flex; align-items: center; gap: var(--s-3); font-size: 13px; }
.sep { color: var(--fg-faint); }
.status-name { font-weight: 600; }

.select-wrap {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-card);
}
.select-wrap:focus-within { border-color: var(--accent); box-shadow: var(--sh-focus); }
.select-lbl { font-size: 11px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.1em; }
.select-wrap select, .select {
  border: none;
  background: transparent;
  font-weight: 500;
  font-size: 13px;
  outline: none;
  cursor: pointer;
  padding-right: 6px;
}
.select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-card);
}
.select-lg { padding: 12px 14px; font-size: 14px; font-weight: 600; min-width: 240px; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 13px;
  transition: all .15s;
  white-space: nowrap;
}
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-primary { background: var(--accent); color: white; box-shadow: var(--sh-1); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--sh-2); }
.btn-outline { border-color: var(--border-hi); color: var(--fg); background: var(--bg-card); }
.btn-outline:hover { border-color: var(--fg-muted); background: var(--bg-sunken); }
.btn-ghost { color: var(--fg-muted); background: transparent; }
.btn-ghost:hover { color: var(--fg); background: var(--bg-sunken); }

.seg {
  display: inline-flex;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 3px;
  gap: 2px;
}
.seg-i {
  padding: 5px 12px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
}
.seg-i.is-active { background: var(--bg-card); color: var(--fg); box-shadow: var(--sh-1); }

/* ─── Grade hero ─── */
.grade-hero {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--s-5);
  align-items: center;
  padding: var(--s-5) var(--s-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
  position: relative;
  overflow: hidden;
}
.grade-hero::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--gh-color, var(--accent));
}
.grade-badge {
  width: 96px; height: 96px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-lg);
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: var(--accent-soft);
  color: var(--accent-ink);
  border: 1px solid var(--accent-line);
}
.grade-badge[data-grade="A"],
.grade-badge[data-grade="A+"],
.grade-badge[data-grade="A-"] { background: oklch(0.95 0.04 155); color: var(--grade-a); border-color: oklch(0.85 0.07 155); }
.grade-badge[data-grade="B"],
.grade-badge[data-grade="B+"],
.grade-badge[data-grade="B-"] { background: oklch(0.95 0.04 165); color: var(--grade-b); border-color: oklch(0.85 0.06 165); }
.grade-badge[data-grade="C"],
.grade-badge[data-grade="C+"] { background: oklch(0.96 0.05 75);  color: var(--grade-c); border-color: oklch(0.86 0.08 75); }
.grade-badge[data-grade="D"] { background: oklch(0.96 0.05 45);  color: var(--grade-d); border-color: oklch(0.86 0.08 45); }
.grade-badge[data-grade="F"] { background: oklch(0.96 0.04 25);  color: var(--grade-f); border-color: oklch(0.86 0.07 25); }

.grade-info { display: flex; flex-direction: column; gap: 2px; }
.grade-headline {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg-strong);
  line-height: 1;
}
.grade-of { color: var(--fg-faint); font-size: 22px; font-weight: 500; margin-left: 4px; }
.grade-sub { color: var(--fg-muted); font-size: 13px; margin-top: 6px; }

.grade-meta {
  display: flex; flex-direction: column; gap: 8px;
  padding-left: var(--s-5);
  border-left: 1px solid var(--border);
  min-width: 200px;
}
.gm-row { display: flex; justify-content: space-between; gap: var(--s-3); font-size: 12px; }
.gm-k { color: var(--fg-muted); }
.gm-v { font-weight: 600; color: var(--fg); }
.gm-v.num { font-family: var(--font-mono); }

/* ─── Metric cards ─── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-3);
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--s-4);
  box-shadow: var(--sh-1);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  transition: all .2s;
}
.metric-card:hover { box-shadow: var(--sh-2); border-color: var(--border-hi); }
.metric-card.is-focus {
  border-color: var(--accent);
  box-shadow: var(--sh-2), 0 0 0 3px oklch(0.88 0.05 250 / 0.3);
}

.mc-head {
  display: flex; align-items: center; gap: 8px;
  color: var(--fg-muted);
}
.mc-icon { font-size: 18px; color: var(--fg-muted); }
.mc-name {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  flex: 1;
}
.mc-help {
  width: 16px; height: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  font-size: 10px;
  color: var(--fg-faint);
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s, color .15s, border-color .15s;
}
.mc-help:hover, .mc-help.is-open {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ─── Metric info popover ─── */
.mip {
  position: fixed;
  z-index: 120;
  width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  padding: var(--s-4);
  display: flex; flex-direction: column; gap: var(--s-3);
  animation: mipIn .15s ease;
}
@keyframes mipIn {
  from { opacity: 0; transform: translateY(-4px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}
.mip-arrow {
  position: absolute;
  top: -6px; left: 24px;
  width: 10px; height: 10px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-hi);
  border-top:  1px solid var(--border-hi);
  transform: rotate(45deg);
}
.mip-head {
  display: flex; align-items: center; gap: var(--s-2);
}
.mip-icon { font-size: 18px; color: var(--accent); flex-shrink: 0; }
.mip-title { font-size: 13px; font-weight: 700; color: var(--fg-strong); flex: 1; }
.mip-close {
  background: none; border: none; cursor: pointer;
  font-size: 13px; color: var(--fg-faint); padding: 2px 4px;
  border-radius: 4px; line-height: 1;
}
.mip-close:hover { color: var(--fg); background: var(--bg-sunken); }
.mip-body {
  font-size: 13px; line-height: 1.55; color: var(--fg);
  margin: 0;
}
.mip-range {
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--s-3);
  background: var(--bg-sunken);
  border-radius: var(--r);
  font-size: 12px;
}
.mip-bad  { color: var(--bad);  }
.mip-bad::before  { content: '↓ '; }
.mip-good { color: var(--good); }
.mip-good::before { content: '✓ '; }

.mc-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.mc-value [data-val] {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
}
.mc-unit { font-size: 12px; color: var(--fg-dim); font-weight: 500; }

.mc-bar {
  height: 4px;
  background: var(--border-soft);
  border-radius: 2px;
  overflow: hidden;
}
.mc-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width .5s cubic-bezier(0.4,0,0.2,1);
}

.mc-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px;
}
.mc-trend { display: inline-flex; align-items: center; gap: 4px; font-weight: 500; }
.mc-trend .material-symbols-outlined { font-size: 14px; }
.mc-trend.up { color: var(--good); }
.mc-trend.dn { color: var(--bad); }
.mc-trend.neutral { color: var(--fg-dim); }
.mc-spark { color: var(--fg-faint); font-size: 11px; }

/* ─── History strip ─── */
.history-strip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--s-3) var(--s-4);
  box-shadow: var(--sh-1);
}
.hs-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--s-3);
}
.hs-legend {
  display: flex; align-items: center; gap: 12px;
  font-size: 11px; color: var(--fg-muted);
  font-family: var(--font-mono);
}
.hs-leg-i {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: -1px;
}
.hs-bars {
  display: flex; align-items: flex-end; gap: 3px;
  height: 56px;
}
.hs-bar {
  flex: 1;
  min-width: 8px;
  border-radius: 2px 2px 0 0;
  position: relative;
  transition: all .2s;
  cursor: pointer;
}
.hs-bar:hover { transform: translateY(-2px); }
.hs-bar.is-active { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ─── Side advanced cards ─── */
.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--s-4);
  box-shadow: var(--sh-1);
}
.adv-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--s-3);
  gap: var(--s-3);
}
.adv-kicker {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  font-weight: 600;
}
.adv-title { font-size: 14px; font-weight: 600; color: var(--fg); margin-top: 2px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--fg-muted);
}
.chip.is-live { color: var(--good); }
.chip.is-live .dot { animation: livePulse 1.4s infinite; }
@keyframes livePulse {
  0%,100% { box-shadow: 0 0 0 0 oklch(0.62 0.13 155 / 0.5); }
  50% { box-shadow: 0 0 0 5px oklch(0.62 0.13 155 / 0); }
}

/* Trace stage */
.trace-stage {
  position: relative;
  height: 280px;
  background: var(--bg-sunken);
  border-radius: var(--r-sm);
  border: 1px solid var(--border-soft);
  overflow: hidden;
}
.trace-bg, .trace-path {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.trace-scale {
  position: absolute;
  bottom: 8px; left: 12px; right: 12px;
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--fg-faint);
}

/* Twist stage */
.twist-stage {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-2) 0;
}
.twist-svg { width: 100%; height: auto; max-width: 200px; }
.twist-readout { display: flex; flex-direction: column; align-items: flex-end; }
.twist-readout .num { font-size: 32px; font-weight: 600; letter-spacing: -0.02em; color: var(--fg-strong); }
.twist-readout .unit { font-size: 11px; text-transform: uppercase; color: var(--fg-dim); letter-spacing: 0.1em; }

/* Cue 3D placeholder */
.cue-stage {
  height: 160px;
  background: var(--bg-sunken);
  border-radius: var(--r-sm);
  border: 1px solid var(--border-soft);
  overflow: hidden;
}
.cue-svg { width: 100%; height: 100%; display: block; }

/* ─── Trace view ─── */
.trace-wrap {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  box-shadow: var(--sh-2);
  display: flex; flex-direction: column;
  gap: var(--s-3);
  min-height: 480px;
  overflow: hidden;
}
.trace-legend {
  display: flex; gap: var(--s-5);
  font-size: 12px;
  color: var(--fg-muted);
}
.trace-legend i {
  display: inline-block;
  width: 12px; height: 3px; border-radius: 2px;
  margin-right: 6px;
  vertical-align: 3px;
}
#trace-canvas {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: block;
}
.trace-axis {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px; color: var(--fg-faint);
}

/* ─── History list ─── */
.history-table {
  display: flex; flex-direction: column; gap: 6px;
}
.ht-row {
  display: grid;
  grid-template-columns: 56px 56px 1fr 80px 80px 80px 80px 80px;
  gap: var(--s-4);
  align-items: center;
  padding: 14px var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-size: 13px;
  transition: all .15s;
}
.ht-row:hover { border-color: var(--border-hi); box-shadow: var(--sh-1); }
.ht-num { font-family: var(--font-mono); color: var(--fg-dim); font-weight: 500; }
.ht-grade {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  font-family: var(--font-mono); font-weight: 700; font-size: 16px;
}
.ht-grade[data-grade="A"],
.ht-grade[data-grade="A+"],
.ht-grade[data-grade="A-"] { background: oklch(0.95 0.04 155); color: var(--grade-a); }
.ht-grade[data-grade="B"],
.ht-grade[data-grade="B+"],
.ht-grade[data-grade="B-"] { background: oklch(0.95 0.04 165); color: var(--grade-b); }
.ht-grade[data-grade="C"],
.ht-grade[data-grade="C+"] { background: oklch(0.96 0.05 75);  color: var(--grade-c); }
.ht-grade[data-grade="D"] { background: oklch(0.96 0.05 45);  color: var(--grade-d); }
.ht-grade[data-grade="F"] { background: oklch(0.96 0.04 25);  color: var(--grade-f); }
.ht-time { color: var(--fg-muted); font-size: 12px; }
.ht-cell .k { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-dim); margin-bottom: 2px; }
.ht-cell .v { font-family: var(--font-mono); font-weight: 600; color: var(--fg); }

/* ─── Compare ─── */
.compare-pickers {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--s-4);
  align-items: end;
  padding: var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-1);
}
.cp-col { display: flex; flex-direction: column; gap: 6px; }
.cp-vs {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--fg-faint);
  letter-spacing: 0.15em;
  padding-bottom: 10px;
}
.compare-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--sh-1);
}
.cmp-row {
  display: grid;
  grid-template-columns: 1fr 200px 1fr;
  align-items: center;
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--border-soft);
}
.cmp-row:last-child { border-bottom: none; }
.cmp-cell { display: flex; flex-direction: column; gap: 4px; }
.cmp-cell.right { align-items: flex-end; }
.cmp-cell.center { align-items: center; }
.cmp-cell.is-better .cmp-val { color: var(--good); }
.cmp-val { font-family: var(--font-mono); font-size: 28px; font-weight: 600; color: var(--fg-strong); }
.cmp-name { font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-dim); font-weight: 600; }
.cmp-delta {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
}
.cmp-delta.pos { color: var(--good); background: var(--good-soft); }
.cmp-delta.neg { color: var(--bad); background: var(--bad-soft); }
.cmp-delta.neu { color: var(--fg-dim); background: var(--bg-sunken); }

/* ─── Progress ─── */
.prog-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
}
.ps-card {
  padding: var(--s-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-1);
  display: flex; flex-direction: column; gap: 6px;
}
.ps-val {
  font-family: var(--font-mono);
  font-size: 36px; font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  line-height: 1;
}
.ps-delta { font-size: 12px; color: var(--fg-muted); }
.ps-delta.up { color: var(--good); }
.ps-delta.dn { color: var(--bad); }
.ps-delta.neutral { color: var(--fg-dim); }

.prog-chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--s-5);
  box-shadow: var(--sh-1);
  height: 320px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
#prog-canvas { flex: 1; min-height: 0; width: 100%; display: block; }
.legend-inline { display: flex; gap: var(--s-4); font-size: 11px; color: var(--fg-muted); font-family: var(--font-mono); }
.legend-inline i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: 2px; }

.prog-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
}
.grade-dist { display: flex; flex-direction: column; gap: var(--s-3); }
.gd-row { display: grid; grid-template-columns: 24px 1fr 60px; gap: var(--s-3); align-items: center; font-size: 13px; }
.gd-letter { font-family: var(--font-mono); font-weight: 700; }
.gd-bar { height: 8px; background: var(--bg-sunken); border-radius: 4px; overflow: hidden; }
.gd-bar-fill { height: 100%; border-radius: 4px; transition: width .5s; }
.gd-pct { font-family: var(--font-mono); color: var(--fg-muted); text-align: right; }

.pr-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.pr-list li { display: grid; grid-template-columns: 1fr auto auto; gap: var(--s-3); align-items: baseline; padding-bottom: 10px; border-bottom: 1px solid var(--border-soft); }
.pr-list li:last-child { border-bottom: none; }
.pr-k { font-size: 13px; color: var(--fg); }
.pr-v { font-family: var(--font-mono); font-weight: 700; color: var(--fg-strong); font-size: 16px; }
.pr-d { font-size: 11px; color: var(--fg-dim); font-family: var(--font-mono); }

/* ─── Toast ─── */
.shot-toast {
  position: fixed;
  bottom: 24px; right: 24px;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-3);
  font-weight: 600;
  z-index: 100;
  animation: toastIn .25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.shot-toast .material-symbols-outlined { color: var(--accent); }
.shot-toast .num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--good);
  padding: 2px 8px;
  background: var(--good-soft);
  border-radius: var(--r-xs);
}
@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}

/* ─── Connect button state ─── */
#btn-conn.is-connected {
  border-color: var(--bad);
  color: var(--bad);
}
#btn-conn.is-connected:hover {
  background: var(--bad-soft);
}

/* ─── Empty state for history/compare ─── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: var(--s-10);
  color: var(--fg-dim);
  font-size: 13px;
  text-align: center;
}
.empty-state .material-symbols-outlined {
  font-size: 48px;
  color: var(--fg-faint);
}

/* Responsive */
/* ─── Fix: honour [hidden] even when display:flex is set on .mip ─── */
.mip[hidden] { display: none !important; }

/* ─── Tablet landscape (≤ 1240px) ─── */
@media (max-width: 1240px) {
  .live-grid { grid-template-columns: 1fr; }
  .col-side { display: grid; grid-template-columns: 1fr 1fr 1fr; }
}

/* ─── Tablet portrait (≤ 900px) ─── */
@media (max-width: 900px) {
  .view { padding: var(--s-4); gap: var(--s-4); }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .prog-summary { grid-template-columns: 1fr 1fr; }
  .col-side { grid-template-columns: 1fr; }
  .prog-breakdown { grid-template-columns: 1fr; }
  .grade-meta { min-width: 140px; }
}

/* ─── Mobile (≤ 640px) ─── */
@media (max-width: 640px) {
  /* ── Header: single row, tight ── */
  .app-header { padding: 0 var(--s-2); gap: var(--s-2); }

  /* Brand: hide the "Trainer" tag pill to save width */
  .brand-tag { display: none; }

  /* Player tabs: drop the name, keep dot + code badge */
  .player-tabs { gap: var(--s-1); }
  .player-tab .p-name { display: none; }
  .player-tab { padding: 5px var(--s-2); }
  .player-tab.is-add { padding: 5px 6px; }

  /* View tabs: flex:1 + width:0 forces it to only take leftover space,
     overflow-x:auto lets the tabs scroll within that width */
  .view-tabs {
    flex: 1;
    width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-left: 0;
  }
  .view-tabs::-webkit-scrollbar { display: none; }
  .view-tab { padding: 5px 10px; font-size: 11px; white-space: nowrap; }

  /* Header utils: hide status pill entirely, keep just the icon buttons + Connect */
  .status-pill { display: none; }
  .header-utils { gap: var(--s-1); flex-shrink: 0; }

  /* Button labels hidden — icon remains */
  .btn-label { display: none; }

  /* ── View ── */
  .view { padding: var(--s-3); gap: var(--s-3); }
  .view-header { flex-wrap: wrap; gap: var(--s-2); }
  .view-actions { flex-wrap: wrap; gap: var(--s-1); }

  /* ── Status bar ── */
  .status-bar { flex-wrap: wrap; padding: 8px var(--s-3); gap: var(--s-2); }
  .sb-left { font-size: 12px; }
  .sb-right { gap: var(--s-1); }

  /* ── Grade hero ── */
  .grade-hero {
    grid-template-columns: auto 1fr;
    gap: var(--s-3);
    padding: var(--s-3) var(--s-4);
  }
  .grade-badge { width: 68px; height: 68px; font-size: 38px; }
  .grade-headline { font-size: 30px; }
  .grade-of { font-size: 16px; }
  .grade-meta {
    grid-column: 1 / -1;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: var(--s-3);
    min-width: 0;
    flex-direction: row;
    gap: var(--s-5);
  }
  .gm-row { flex-direction: column; gap: 2px; align-items: flex-start; font-size: 11px; }

  /* ── Metrics ── */
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: var(--s-2); }
  .metric-card { padding: var(--s-3); }
  .mc-value [data-val] { font-size: 24px; }

  /* ── Col-side: 3 across ── */
  .col-side { display: grid; grid-template-columns: 1fr 1fr 1fr; }

  /* ── History: horizontal scroll ── */
  .history-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .ht-row { min-width: 620px; font-size: 12px; padding: 10px var(--s-3); }

  /* ── Progress chart: shorter ── */
  .prog-chart-wrap { height: 220px; }
  .prog-breakdown { grid-template-columns: 1fr; }

  /* ── Toast ── */
  .shot-toast { right: 12px; bottom: 12px; padding: 10px 14px; font-size: 13px; }

  /* ── Metric info popover: full-width, no arrow ── */
  .mip { width: calc(100vw - 24px); left: 12px !important; }
  .mip-arrow { display: none; }
}

/* ─── Mobile portrait narrow (≤ 480px) ─── */
@media (max-width: 480px) {
  .col-side { grid-template-columns: 1fr; }
  .grade-meta { display: none; } /* stats already in metric cards */
  .grade-hero { grid-template-columns: auto 1fr; }
  .grade-badge { width: 56px; height: 56px; font-size: 32px; }
  .grade-headline { font-size: 26px; }
}

/* ─── Landscape phone (≤ 900px wide AND ≤ 480px tall) ─── */
@media (max-width: 900px) and (max-height: 480px) {
  .view { padding: var(--s-2) var(--s-3); gap: var(--s-2); }
  .grade-hero { padding: var(--s-2) var(--s-3); }
  .grade-badge { width: 50px; height: 50px; font-size: 28px; }
  .grade-headline { font-size: 24px; }
  .grade-meta { display: none; }
  .metric-card { padding: var(--s-2) var(--s-3); gap: 4px; }
  .mc-value [data-val] { font-size: 20px; }
  .prog-chart-wrap { height: 180px; }
  .status-bar { padding: 6px var(--s-3); }
}