/* ------------------------------------------------------------ buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 48px;
  padding: 0.85rem 1.5rem;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-family: var(--font-label);
  font-size: 0.975rem;
  font-weight: 600;
  letter-spacing: 0.099em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.btn:hover:not(:disabled) {
  border-color: var(--text);
}
.btn .icon {
  flex: none;
  transition: transform var(--t-fast) var(--ease);
}
.btn:hover:not(:disabled) .icon:last-child {
  transform: translateX(3px);
}
.btn--primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn--primary:hover:not(:disabled) {
  background: #fff;
  border-color: #fff;
}
.btn--large {
  min-height: 58px;
  padding: 1rem 2rem;
}
.btn--small {
  min-height: 40px;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}
.btn--danger {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}
.btn--danger:hover:not(:disabled) {
  background: #c8322a;
  border-color: #c8322a;
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
@media (max-width: 520px) {
  .btn--large {
    width: 100%;
  }
}

/* ------------------------------------------------------------ tags + dots */
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
}
.dot--alert {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(179, 42, 34, 0.22);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-label);
  font-size: 0.864rem;
  letter-spacing: 0.087em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.tag--unread {
  color: var(--red-hi);
}
.tag--outline {
  padding: 0.12rem 0.5rem;
  border: 1px dashed var(--line-strong);
  color: var(--text-dim);
}

/* ------------------------------------------------------------ segmented control */
.segments {
  display: inline-flex;
  flex-wrap: wrap;
}
.segment {
  position: relative;
}
.segment input {
  position: absolute;
  opacity: 0;
  inset: 0;
}
.segment__face {
  display: block;
  min-width: 78px;
  padding: 0.7rem 1.1rem;
  margin: 0 -1px -1px 0;
  border: 1px solid var(--line-strong);
  font-family: var(--font-label);
  font-size: 0.936rem;
  letter-spacing: 0.062em;
  text-align: center;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  font-weight: 600;
}
.segment:hover .segment__face {
  color: var(--text);
}
.segment input:checked + .segment__face {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}
.segment input:focus-visible + .segment__face {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

/* ------------------------------------------------------------ evidence picker */
.picker {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}
.picker__legend {
  padding: 0;
  margin-bottom: 0.7rem;
  font-family: var(--font-label);
  font-size: 0.9rem;
  letter-spacing: 0.112em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.picker__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.picker__help {
  margin-top: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-dim);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.45rem 0.85rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--text-dim);
  font-family: var(--font-label);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  font-weight: 600;
}
.chip:hover {
  border-color: var(--text);
  color: var(--text);
}
.chip__no {
  font-weight: 500;
  color: var(--text);
}
.chip__tick {
  display: none;
}
.chip[aria-pressed='true'] {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink-dim);
}
.chip[aria-pressed='true'] .chip__no {
  color: var(--ink);
}
.chip[aria-pressed='true'] .chip__tick {
  display: inline-flex;
  color: var(--ink);
}

/* ------------------------------------------------------------ hints */
.hints {
  margin-top: 2.4rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.9rem;
  justify-items: start;
}
.hints__list {
  display: grid;
  gap: 0.8rem;
  width: 100%;
}
.hints__item {
  display: grid;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 1.02rem;
}
.hints__no {
  font-family: var(--font-label);
  font-size: 0.864rem;
  letter-spacing: 0.099em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

/* ------------------------------------------------------------ progress (archive) */
.progress {
  min-width: min(100%, 17rem);
}
.progress__text {
  font-family: var(--font-label);
  font-size: 0.9rem;
  letter-spacing: 0.087em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  font-weight: 600;
}
.progress__segments {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}
.progress__segments i {
  height: 4px;
  background: var(--line-strong);
  transition: background var(--t-med) var(--ease);
}
.progress__segments i.is-on {
  background: var(--text);
}

/* ------------------------------------------------------------ modal */
.modal {
  padding: 0;
  max-width: min(92vw, 30rem);
  border: 1px solid var(--line-strong);
  background: var(--bg-raised);
  color: var(--text);
}
.modal::backdrop {
  background: rgba(0, 0, 0, 0.74);
}
.modal__panel {
  padding: 1.7rem;
  display: grid;
  gap: 1rem;
}
.modal__title {
  font-family: var(--font-title);
  
  font-size: 2.44rem;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.modal__body {
  color: var(--text-dim);
}
.modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + var(--safe-b) + 24px);
  z-index: 9500;
  transform: translate(-50%, 12px);
  padding: 0.75rem 1.1rem;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.toast--on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ------------------------------------------------------------ fields */
.text-input {
  display: block;
  width: 100%;
  max-width: 16rem;
  padding: 0.55rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.text-input::placeholder {
  color: var(--text-faint);
}
.text-input:focus {
  outline: none;
  border-bottom-color: var(--text);
}
.theory__input {
  display: block;
  width: 100%;
  min-height: 7.5rem;
  padding: 0.9rem 1rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-text);
  font-size: 1.05rem;
  line-height: 1.5;
  resize: vertical;
}
.theory__input::placeholder {
  color: var(--text-faint);
}
.theory__input:focus {
  outline: none;
  border-color: var(--text-dim);
}

/* ------------------------------------------------------------ collapsible tool (Clock Bench) */
.tool {
  border: 1px solid var(--line);
  background: var(--bg-raised);
}
.tool__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 52px;
  padding: 0 1.1rem;
  font-family: var(--font-label);
  font-size: 0.936rem;
  letter-spacing: 0.099em;
  text-transform: uppercase;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}
.tool__summary::-webkit-details-marker {
  display: none;
}
.tool[open] .tool__summary .icon {
  transform: rotate(180deg);
}
.tool .bench {
  border: 0;
  border-top: 1px solid var(--line);
}
.tool--inline {
  margin-top: 1rem;
}

/* ------------------------------------------------------------ Clock Bench */
.bench {
  padding: 1.25rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  display: grid;
  gap: 1rem;
}
.bench__lede {
  margin-top: 0.4rem;
  font-size: 0.98rem;
  color: var(--text-dim);
}
.bench__readout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 0.75rem;
}
.bench__caption {
  font-family: var(--font-label);
  font-size: 0.84rem;
  letter-spacing: 0.087em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.bench__time,
.bench__adjusted {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.5vw, 2rem);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.bench__arrow {
  color: var(--text-faint);
  padding-bottom: 0.4rem;
}
.bench__svg {
  width: 100%;
  height: auto;
  overflow: visible;
}
.bench__axis,
.bench__tick {
  stroke: var(--line-strong);
  stroke-width: 1;
}
.bench__gap {
  fill: rgba(179, 42, 34, 0.14);
  stroke: rgba(229, 89, 77, 0.55);
  stroke-width: 1;
}
.bench__hatch-line {
  stroke: rgba(229, 89, 77, 0.3);
  stroke-width: 1.5;
}
.bench__gap-label {
  fill: var(--red-hi);
  font: 500 8.5px var(--font-mono);
  letter-spacing: 0.14em;
}
.bench__tick-label {
  fill: var(--text-dim);
  font: 400 9.5px var(--font-mono);
}
.bench__marker line {
  stroke: var(--text);
  stroke-width: 2;
}
.bench__marker path {
  fill: var(--text);
}
.bench__ghost line {
  stroke: var(--text-dim);
  stroke-width: 1.5;
  stroke-dasharray: 3 3;
}
.bench__status {
  min-height: 1.6em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text);
}
.bench__status::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--text-faint);
}
.bench__status[data-state='inside']::before {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(179, 42, 34, 0.25);
}
.bench__status[data-state='before']::before,
.bench__status[data-state='after']::before {
  background: var(--text);
}
.bench__controls {
  display: grid;
  gap: 0.6rem;
  justify-items: start;
}
.bench__label {
  font-family: var(--font-label);
  font-size: 0.864rem;
  letter-spacing: 0.099em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.bench__dial {
  display: flex;
  align-items: stretch;
  max-width: 100%;
}
.bench__nudge,
.bench__input {
  min-width: 48px;
  min-height: 48px;
  background: transparent;
  border: 1px solid var(--line-strong);
  margin-left: -1px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}
.bench__nudge:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.bench__input {
  width: 5.5rem;
  text-align: center;
  font-size: 1.1rem;
  cursor: text;
  -moz-appearance: textfield;
  appearance: textfield;
}
.bench__input::-webkit-outer-spin-button,
.bench__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.bench__reset {
  background: none;
  border: 0;
  padding: 0.25rem 0;
  font-family: var(--font-label);
  font-size: 0.864rem;
  letter-spacing: 0.087em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 0.3em;
  cursor: pointer;
  font-weight: 600;
}
.bench__reset:hover {
  color: var(--text);
}
.bench--readonly {
  background: transparent;
  border: 0;
  padding: 0;
}

/* ------------------------------------------------------------ redaction bars (final screen) */
.redact {
  display: inline-block;
  height: 1.05em;
  vertical-align: -0.15em;
  background: var(--text);
}