/* ============================================================
   Caldera — app shell, HUD, toolbar, dialogs
   ============================================================ */

.app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(12px, 3vw, 28px);
  gap: clamp(14px, 2.5vw, 22px);
  max-width: 100%;
}

/* ---------- top bar ---------- */
.app-bar {
  width: 100%;
  max-width: 960px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  color: var(--accent);
  background: var(--glass);
  border: 1px solid var(--glass-border);
}
.brand-name {
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-name span {
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.app-actions { display: flex; gap: 8px; }

.icon-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  transition: transform var(--dur-fast) var(--ease-spring),
              background-color var(--dur-base) ease, color var(--dur-base) ease;
}
.icon-btn:hover { transform: translateY(-1px); color: var(--accent); }
.icon-btn:active { transform: translateY(0) scale(0.95); }

.ico-moon { display: none; }
[data-theme="dark"] .ico-sun,
[data-theme="slate"] .ico-sun { display: none; }
[data-theme="dark"] .ico-moon,
[data-theme="slate"] .ico-moon { display: block; }

/* ---------- stage ---------- */
.stage {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2vw, 18px);
}

/* ---------- HUD ---------- */
.hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 14px;
  border-radius: 16px;
  width: min(100%, 420px);
}

.readout {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 13px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--bg-deep) 70%, transparent);
  border: 1px solid var(--hairline);
  min-width: 92px;
}
.readout-ico { color: var(--muted); display: grid; place-items: center; }
.readout-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
#timer-readout { justify-content: flex-end; }
#mine-readout.danger .readout-value { color: var(--accent); }
#timer-readout.record .readout-value { color: var(--accent); }

.face {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  font-size: 26px;
  background: linear-gradient(180deg, var(--cell-top), var(--cell-top-grad));
  box-shadow: var(--cap-shadow);
  transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-base) ease;
  flex: none;
}
.face:hover { transform: translateY(-2px); box-shadow: var(--cap-shadow-hover); }
.face:active { transform: translateY(0) scale(0.92); }
.face .face-glyph { line-height: 1; transform: translateY(-1px); }

/* ---------- toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px 12px;
  border-radius: 16px;
  width: min(100%, 640px);
}

.segmented {
  position: relative;
  display: flex;
  padding: 4px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-deep) 70%, transparent);
  border: 1px solid var(--hairline);
  flex: 1 1 auto;
}
.seg {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 7px 10px;
  border-radius: 9px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  transition: color var(--dur-base) ease;
}
.seg[aria-pressed="true"] { color: var(--text); }
.seg-thumb {
  position: absolute;
  z-index: 0;
  top: 4px; left: 4px;
  height: calc(100% - 8px);
  border-radius: 9px;
  background: linear-gradient(180deg, var(--cell-top), var(--cell-top-grad));
  box-shadow: 0 2px 6px rgba(0,0,0,.12);
  transition: transform var(--dur-base) var(--ease-spring), width var(--dur-base) var(--ease-spring);
  will-change: transform, width;
}

.tool-group { display: flex; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 13px;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-deep) 70%, transparent);
  border: 1px solid var(--hairline);
  transition: transform var(--dur-fast) var(--ease-spring), color var(--dur-base) ease, border-color var(--dur-base) ease;
}
.chip:hover { transform: translateY(-1px); }
.chip:active { transform: scale(0.96); }
.chip[aria-pressed="true"] {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--hairline));
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.best-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 13px;
  border-radius: 11px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--hairline);
}
.best-ico { font-size: 13px; }

.app-foot {
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- dialogs ---------- */
.modal {
  margin: auto; /* restore native modal centering (our reset zeroes it) */
  border: none;
  padding: 0;
  border-radius: var(--card-radius);
  background: transparent;
  color: var(--text);
  max-width: min(92vw, 420px);
  max-height: min(90vh, calc(100vh - 32px));
}
.modal::backdrop {
  background: rgba(10, 8, 6, 0.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.modal-body {
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--card-radius);
  padding: 22px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: min(90vh, calc(100vh - 32px));
  overflow-y: auto;
}
.modal-title { font-size: 18px; }

.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  display: flex; justify-content: space-between;
  font-size: 13px; font-weight: 600; color: var(--muted);
}
.field output {
  font-family: var(--font-mono);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  height: 6px; border-radius: 99px;
  background: var(--hairline);
  outline-offset: 6px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border: none; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  cursor: grab;
}

.density { display: flex; flex-direction: column; gap: 6px; }
.density-bar {
  height: 8px; border-radius: 99px;
  background: var(--hairline);
  overflow: hidden;
}
.density-bar span {
  display: block; height: 100%;
  width: 15%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--win), var(--accent) 70%, var(--mine-core));
  transition: width var(--dur-base) ease;
}
.density-label { font-size: 12.5px; color: var(--muted); }
.density-label span:first-child { color: var(--text); font-weight: 600; }

.modal-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 4px;
}
.btn {
  padding: 9px 16px;
  border-radius: 11px;
  font-size: 14px; font-weight: 600;
  transition: transform var(--dur-fast) var(--ease-spring), filter var(--dur-base) ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2.5px solid var(--focus); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px -4px var(--accent); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: var(--glass); border: 1px solid var(--hairline); color: var(--text); }

.select, .switch { accent-color: var(--accent); }
.select {
  padding: 6px 10px; border-radius: 9px;
  background: var(--bg); border: 1px solid var(--hairline);
}
.settings-list { display: flex; flex-direction: column; gap: 4px; }
.switch-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 4px;
  border-bottom: 1px solid var(--hairline);
  font-size: 14px;
}
.switch-row:last-child { border-bottom: none; }
.switch { width: 20px; height: 20px; cursor: pointer; }

.stats-grid { display: flex; flex-direction: column; gap: 10px; }
.stat-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--bg-deep) 60%, transparent);
  border: 1px solid var(--hairline);
}
.stat-row .name { font-weight: 600; }
.stat-row .best { font-family: var(--font-mono); color: var(--accent); font-weight: 600; }
.stat-row .meta { font-size: 12px; color: var(--muted); }
.stat-summary { font-size: 13px; color: var(--muted); text-align: center; }

/* ---------- text inputs ---------- */
.text-input, .lb-input {
  padding: 7px 11px;
  border-radius: 9px;
  background: var(--bg);
  border: 1px solid var(--hairline);
  color: var(--text);
  font-size: 14px;
  min-width: 0;
}
.text-input { width: 160px; }
.text-input:focus-visible, .lb-input:focus-visible { outline: 2.5px solid var(--focus); outline-offset: 1px; }

/* ---------- leaderboard ---------- */
.lb-tabs { margin-bottom: 2px; }
.lb-tabs .seg-thumb { display: none; }
.lb-seg[aria-pressed="true"] {
  background: linear-gradient(180deg, var(--cell-top), var(--cell-top-grad));
  box-shadow: 0 2px 6px rgba(0,0,0,.12);
  color: var(--text);
}
.lb-list { display: flex; flex-direction: column; gap: 6px; min-height: 120px; }
.lb-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 9px 12px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg-deep) 60%, transparent);
  border: 1px solid var(--hairline);
}
.lb-row .rank { font-family: var(--font-mono); color: var(--muted); font-weight: 600; }
.lb-row.podium .rank { color: var(--accent); }
.lb-row .who { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-row .when { font-family: var(--font-mono); color: var(--accent); font-weight: 600; }
.lb-empty { color: var(--muted); text-align: center; padding: 24px 8px; font-size: 13.5px; line-height: 1.6; }

/* ---------- win-overlay submit ---------- */
.overlay-rank { font-weight: 700; color: var(--accent); font-size: 14px; }
.overlay-lb { display: flex; gap: 8px; margin-top: 6px; width: 100%; }
.overlay-lb .lb-input { flex: 1; }

/* ---------- responsive ---------- */
@media (max-width: 560px) {
  .toolbar { justify-content: center; }
  .segmented { order: 1; width: 100%; flex: 1 1 100%; }
  .tool-group { order: 2; }
  .best-badge { order: 3; }
  .app-foot { font-size: 11.5px; }
  .seg { font-size: 11.5px; padding: 7px 4px; }
}