/* Reusable UI components (DESIGN.md §6).
 *
 * All colors read design tokens from tokens.css. No hex literals here.
 *
 * Components defined:
 *   .window-range          — 7D / 30D / 3M ToggleButtonGroup (§6)
 *   .mt-info-icon          — 14×14 info glyph placeholder (§6, Task 14 mounts)
 *   .mt-delta-triangle     — 7×5 price-direction triangle (§6, Task 14 mounts)
 *   .delta-up / .delta-down — color helpers for delta-triangle call-sites
 */

/* ---------- Window-range ToggleButtonGroup (DESIGN.md §6) ---------- */

.window-range {
  /* Track chrome (background, border-radius, padding) inherited from .mt-segmented. */
  /* Padding is 3px in the shared rule -- indicator math below accounts for that. */
}

.window-range__pill {
  /* Shared chrome (position:absolute, background, box-shadow, border-radius,
   * transition) inherited from .mt-segmented__indicator. Only the
   * position/size math is per-toggle. */
  top: 3px;
  left: 0;
  width: calc(33.333% - 6px / 3);
  height: calc(100% - 6px);
}

@media (prefers-color-scheme: dark) {
  .window-range__pill { background: var(--brand-primary); }
}
:root[data-theme="dark"] .window-range__pill { background: var(--brand-primary); }

.window-range button {
  padding: 6px 12px;
  font-size: 12px;
  /* color + transition inherited from .mt-segmented > button */
}

/* active-state color override removed -- inherited from .mt-segmented */

/* ---------- Segmented control (shared chrome — DESIGN.md §6 ToggleButtonGroup) ----------
 *
 * Owned by components.css so every segmented control (window-range, mm-toggle,
 * book toggle) reads the same track + active-pill recipe. Per-toggle rules
 * keep their position/sizing math; this class only owns the SHARED chrome.
 */

.mt-segmented {
  position: relative;
  display: inline-flex;
  background: var(--surface-toggle-track);
  border-radius: 999px;
  padding: 3px;
}

.mt-segmented > button {
  position: relative;
  z-index: 1;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: 999px;
  font-family: "Wix Madefor Text", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.mt-segmented > button[aria-pressed="true"] {
  color: var(--brand-ink);
}

.mt-segmented__indicator {
  position: absolute;
  background: var(--surface-elevated);
  box-shadow: var(--shadow-toggle-pill);
  border-radius: 999px;
  transition:
    transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
    width     220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ---------- Info icon (DESIGN.md §6, Task 14 wires instances) ---------- */

.mt-info-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
  color: var(--brand-primary);
  background: color-mix(in srgb, var(--info-accent) 20%, transparent);
  border-radius: 50%;
  padding: 2px;
  flex-shrink: 0;
}

/* ---------- Delta triangle (DESIGN.md §6, Task 14 wires instances) ---------- */

.mt-delta-triangle {
  width: 7px;
  height: 5px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  /* color: inherit — set via .delta-up / .delta-down at the call site */
}

/* Color helpers that pair with .mt-delta-triangle */
.delta-up   { color: var(--state-up); }
.delta-down { color: var(--state-down); }

/* ---------- Site footer (DESIGN.md §13.20) ---------- */

.mt-footer {
  border-top: 1px solid var(--divider);
  padding: 24px 16px;
  text-align: center;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .mt-footer { padding: 32px 24px; }
}

/* ---------- AppBar (DESIGN.md §5 / §11) ---------- */

.MuiAppBar-root.MuiAppBar-colorTransparent.MuiAppBar-positionSticky {
  position: sticky;
  top: 0;
  z-index: 10;
  background: transparent;
  border-bottom: 1px solid var(--divider);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
}
.MuiAppBar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
@media (min-width: 768px) {
  .MuiAppBar-inner { padding: 16px 24px; }
}
.mt-brand-mark {
  display: inline-flex;
  align-items: center;
  color: var(--brand-ink);
  text-decoration: none;
}
:root[data-theme="dark"] .mt-brand-mark { color: var(--brand-primary); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .mt-brand-mark { color: var(--brand-primary); }
}

/* ---------- Chart quality cards (Form B) ---------- */

.chart-comment {
  margin-top: 8px;
}
/* Empty slot (no verdict yet / cleared) collapses so it adds no height. */
.chart-comment:empty {
  display: none;
}

.quality-card {
  display: flex;
  background: var(--surface-card-white);
  border: 1px solid var(--divider);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 2px var(--surface-overlay-hover);
}

.quality-card__accent {
  width: 5px;
  flex: none;
}
.quality-card[data-level="high"]   .quality-card__accent { background: var(--quality-high); }
.quality-card[data-level="medium"] .quality-card__accent { background: var(--quality-medium); }
.quality-card[data-level="low"]    .quality-card__accent { background: var(--quality-low); }

.quality-card__inner {
  padding: 10px 12px;
}

.quality-card__q {
  font-family: "PP Mori", -apple-system, sans-serif;
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 4px;
}
.quality-card[data-level="high"]   .quality-card__q { color: var(--quality-high); }
.quality-card[data-level="medium"] .quality-card__q { color: var(--quality-medium); }
.quality-card[data-level="low"]    .quality-card__q { color: var(--quality-low); }

.quality-card__text {
  margin: 0;
  font-family: "Wix Madefor Text", system-ui, sans-serif;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--text-primary);
}