/* ==========================================================================
   Shared components: chrome, cards, buttons, chips, terminals, modals.
   ========================================================================== */

/* ---- Top bar ----------------------------------------------------------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 60;
}
.topbar__inner {
  max-width: var(--content-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--color-ink-900); flex: none; }
.brand:hover { color: var(--color-ink-900); }
.brand__name { font-weight: 700; font-size: 16.5px; letter-spacing: -0.01em; }
.brand__badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-500);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 2.5px 8px;
  white-space: nowrap;
}
.nav { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav__link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-500);
  padding: 7px 11px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background var(--dur-2), color var(--dur-2);
}
.nav__link:hover { color: var(--color-ink-900); background: var(--color-mist); }
.nav__link--active { color: var(--color-ink-900); background: var(--color-mist-2); font-weight: 600; }
.topbar__note {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-ink-300);
  white-space: nowrap;
}
@media (max-width: 1100px) { .topbar__note { display: none; } }

/* ---- Footer ------------------------------------------------------------ */
.footer { background: var(--color-white); border-top: 1px solid var(--color-border); }
.footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 26px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer__badge { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--color-ink-500); }

/* ---- Cards ------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px 22px;
}
.card--flat { box-shadow: none; padding: 16px 18px; }
.card--tight { padding: 14px 16px; }
.card--mini { padding: 11px 12px; border-color: var(--color-border-soft); }
.card--dashed { border-style: dashed; border-color: var(--color-border-strong); box-shadow: none; }
.card--tinted { border: 1.5px solid var(--color-purple-border); background: var(--color-purple-surface); box-shadow: none; }
.card--dark { background: var(--color-ink-900); border-color: var(--color-ink-900); color: var(--color-white); }
.card--dark .card__label { color: var(--color-ink-300); }
.card--link { display: block; color: inherit; transition: transform var(--dur-3), box-shadow var(--dur-3); }
.card--link:hover { transform: translateY(-2px); box-shadow: var(--shadow-modal); color: inherit; }

.card__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-ink-300);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.card__title { display: flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; }
.card__minititle { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; margin-bottom: 4px; }

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background var(--dur-2), transform var(--dur-1);
}
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--color-purple); color: var(--color-white); }
.btn--primary:hover { background: var(--color-purple-700); color: var(--color-white); }
.btn--ghost {
  background: var(--color-white);
  color: var(--color-ink-900);
  border: 1px solid var(--color-border-strong);
}
.btn--ghost:hover { background: var(--color-mist); color: var(--color-ink-900); }
.btn--dark { background: var(--color-ink-900); color: var(--color-white); font-size: 13px; padding: 10px 18px; }
.btn--dark:hover { background: #1E2A3D; color: var(--color-white); }
.btn--sm { font-size: 11.5px; padding: 6px 14px; gap: 6px; }
.btn--block { width: 100%; font-size: 14px; padding: 12px 16px; }
.btn[disabled] { opacity: 0.6; cursor: default; }

.linkbutton {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-purple);
  padding: 0;
}

/* ---- Chips, tags, pills ------------------------------------------------ */
.chiprow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 22px; }

.chip {
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-ink-700);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  transition: all var(--dur-2);
}
.chip:hover { border-color: var(--color-purple-300); }
.chip.is-active { border-color: var(--color-purple); background: var(--color-purple-tint); color: var(--color-purple-700); }
.chip--mono { font-family: var(--font-mono); font-size: 11px; font-weight: 400; padding: 5px 13px; border-width: 1px; }
.chip--sm {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 10px;
  border-width: 1px;
  border-color: var(--color-border-strong);
  color: var(--color-ink-700);
}

.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-ink-700);
  background: var(--color-mist-2);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  white-space: nowrap;
}
.tag--success { color: var(--color-success); background: var(--color-success-bg); font-weight: 700; }
.tag--warning { color: var(--color-warning-ink); background: var(--color-warning-bg); font-weight: 700; }
.tag--error { color: var(--color-error); background: var(--color-error-bg); font-weight: 700; }
.tag--neutral { color: var(--color-ink-500); background: var(--color-ink-50); }
.tagrow { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

.pill {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--color-ink-700);
  background: var(--color-mist-2);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.statuspill {
  font-size: 9.5px;
  font-weight: 700;
  border-radius: 3px;
  padding: 2px 7px;
  white-space: nowrap;
  color: var(--color-ink-300);
  background: var(--color-ink-50);
}
.statuspill[data-status='pass'] { color: var(--color-success); background: var(--color-success-bg); }
.statuspill[data-status='FAIL'] { color: var(--color-white); background: var(--color-error); }
.statuspill[data-status='not reached'] { color: var(--color-warning-ink); background: var(--color-warning-bg); }

/* ---- Segmented controls ------------------------------------------------ */
.segmented {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  flex: none;
}
.segmented button {
  border: none;
  cursor: pointer;
  background: var(--color-white);
  color: var(--color-ink-300);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px 18px;
  transition: background var(--dur-2), color var(--dur-2);
}
.segmented button.is-active { background: var(--color-ink-900); color: var(--color-white); }
.segmented--sm button { font-family: var(--font-mono); font-size: 11.5px; padding: 0 11px; }
.segmented--sm button.is-active { background: var(--color-mist-2); color: var(--color-ink-900); }
.segmented--xs button { font-family: var(--font-mono); font-size: 9.5px; padding: 4px 9px; font-weight: 400; }
.segmented--xs button.is-active { background: var(--color-mist-2); color: var(--color-ink-900); }
.segmented--center { align-self: center; margin: 0 auto; }
.segmented--sheets {
  border-radius: 6px 6px 0 0;
  border-bottom: none;
  background: var(--color-mist-2);
  width: fit-content;
}
.segmented--sheets button {
  font-size: 11.5px;
  padding: 7px 16px;
  border-right: 1px solid #D6DCE5;
  background: transparent;
  color: var(--color-ink-500);
}
.segmented--sheets button.is-active { background: var(--color-white); color: var(--color-ink-900); font-weight: 700; }

/* ---- Terminal ---------------------------------------------------------- */
.terminal {
  background: var(--color-ink-900);
  border-radius: 6px;
  padding: 8px 10px;
  height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 3px;
  overflow: hidden;
}
.terminal--wide { height: auto; min-height: 100px; padding: 12px 15px; justify-content: flex-start; margin-top: 14px; }
.terminal__line {
  font-family: var(--font-mono);
  font-size: 9.5px;
  line-height: 1.45;
  color: var(--color-ink-100);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  animation: daFadeUp 300ms var(--ease-out);
}
.terminal__line[data-tone='i'] { color: #8FB4E3; }
.terminal__line[data-tone='g'] { color: #7BD4B3; }
.terminal__line[data-tone='w'] { color: #F2C063; }
.terminal__line[data-tone='e'] { color: #F08A8A; }
.terminal__idle { font-family: var(--font-mono); font-size: 9.5px; color: var(--color-ink-700); }
.terminal--wide .terminal__line { font-size: 10.5px; line-height: 1.7; display: flex; gap: 8px; }
.terminal__mark { flex: none; width: 10px; }
.terminal__line[data-kind='add'] { color: #7BD4B3; }
.terminal__line[data-kind='add'] .terminal__text { background: rgba(31, 169, 125, 0.14); border-radius: 3px; padding: 0 3px; }
.terminal__line[data-kind='del'], .terminal__line[data-kind='err'] { color: #F08A8A; }
.terminal__line[data-kind='del'] .terminal__text,
.terminal__line[data-kind='err'] .terminal__text { background: rgba(226, 75, 75, 0.14); border-radius: 3px; padding: 0 3px; }
.terminal__line[data-kind='note'] { color: var(--color-ink-300); }

/* ---- Code block -------------------------------------------------------- */
.codeblock {
  background: var(--color-ink-900);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 16px;
  position: relative;
}
.codeblock__label { font-size: 10px; color: var(--color-ink-500); margin-bottom: 7px; }
.codeblock pre {
  font-size: 11px;
  line-height: 1.65;
  color: var(--color-ink-100);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.codeblock--inline { flex: 1; padding: 9px 12px; margin: 0; max-height: 120px; overflow: auto; }
.codeblock--inline pre { font-size: 9.5px; line-height: 1.55; }
.codeblock__copy {
  position: absolute;
  top: 6px;
  right: 6px;
  border: 1px solid var(--color-ink-700);
  background: transparent;
  color: var(--color-ink-300);
  font-size: 8.5px;
  border-radius: var(--radius-sm);
  padding: 2px 7px;
  cursor: pointer;
}
.codeblock__copy:hover { color: var(--color-white); }

/* JSON syntax colours */
.json-key { color: #8FB4E3; }
.json-string { color: #7BD4B3; }
.json-number { color: #F2C063; }
.json-literal { color: #C79BD6; }
.json-punct { color: #5E6B84; }

/* ---- Empty states ------------------------------------------------------ */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 220px;
  color: var(--color-ink-300);
  font-size: 13px;
  text-align: center;
}
.empty .icon { color: var(--color-ink-100); }
.empty__title { font-size: 14px; font-weight: 600; color: var(--color-ink-900); }

/* ---- Modal ------------------------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.modal__backdrop { position: absolute; inset: 0; background: rgba(14, 23, 38, 0.55); }
.modal__dialog {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 760px;
  max-width: 100%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: daFadeUp 300ms var(--ease-out);
}
.modal__dialog--wide { width: 920px; }
.modal__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--color-border-soft);
}
.modal__title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.modal__tools { display: flex; align-items: center; gap: 12px; }
.modal__close {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-ink-500);
  font-size: 16px;
  padding: 2px 8px;
}
.modal__close:hover { color: var(--color-ink-900); }
.modal__body { overflow: auto; min-height: 0; }

/* ---- Toast ------------------------------------------------------------- */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  background: var(--color-ink-900);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-modal);
  animation: daFadeUp 300ms var(--ease-out);
}

/* ---- Coach marks ------------------------------------------------------- */
.coach { position: fixed; inset: 0; z-index: 90; pointer-events: none; }
.coach__spot {
  position: absolute;
  border-radius: 12px;
  /* The dim is this element's shadow, so the target stays fully lit. */
  box-shadow: 0 0 0 9999px rgba(14, 23, 38, 0.58);
  pointer-events: none;
}
.coach__ring {
  position: absolute;
  border-radius: 12px;
  border: 2px solid var(--color-white);
  pointer-events: none;
  animation: daPulse 1.9s infinite;
}
.coach__bubble {
  position: absolute;
  width: 260px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.22);
  pointer-events: auto;
  text-align: left;
}
.coach__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--color-purple);
  margin-bottom: 6px;
}
.coach__title { display: block; font-size: 13px; font-weight: 700; line-height: 1.3; margin-bottom: 5px; }
.coach__body { display: block; font-size: 11.5px; color: var(--color-ink-700); line-height: 1.45; margin-bottom: 11px; }
.coach__skip {
  border: none;
  background: transparent;
  padding: 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-ink-500);
  cursor: pointer;
}
.coach__skip:hover { color: var(--color-ink-900); }
.coach__arrow { position: absolute; width: 12px; height: 12px; background: var(--color-white); transform: rotate(45deg); }

/* ---- Tooltip ----------------------------------------------------------- */
.tooltip {
  position: fixed;
  z-index: 80;
  pointer-events: none;
  width: 270px;
  background: var(--color-ink-900);
  border-radius: 9px;
  padding: 10px 13px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
  animation: daFadeIn 120ms ease-out;
}
.tooltip__title { font-size: 11.5px; font-weight: 700; color: var(--color-white); margin-bottom: 4px; }
.tooltip__text { font-size: 11.5px; line-height: 1.5; color: var(--color-ink-100); }

/* ---- Misc -------------------------------------------------------------- */
.factrow { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.fact { font-size: 11px; color: var(--color-ink-500); }
.fact b { color: var(--color-ink-900); }

.checklist { display: flex; flex-direction: column; gap: 7px; font-size: 11.5px; color: var(--color-ink-700); }
.checklist li { display: flex; gap: 7px; }
.checklist__mark { color: var(--color-success); }

.kbd {
  font-size: 9.5px;
  color: var(--color-ink-500);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
}

.legend { display: flex; gap: 12px; font-size: 9.5px; color: var(--color-ink-500); }
.legend span { display: flex; align-items: center; gap: 4px; }
.legend__swatch { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.legend__swatch--blue { background: var(--color-blue); }
.legend__swatch--amber { background: var(--color-warning); }