/* The recorded session on the landing page.
 *
 * The terminal is a tinted surface with a hairline border, in the same
 * palette as the rest of the page, so it reads in both themes. Colour carries
 * meaning only where the real terminal's does: a refusal is red, the dialog
 * is orange, and a finished tool call is green. */

.replay-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  margin-top: 2rem;
  align-items: start;
}

.replay-grid > * {
  min-width: 0;
}

/* The window ------------------------------------------------------------------ */

.term {
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.5;
}

.term-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-2);
}

.term-tag {
  flex: none;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--hot);
  border: 1px solid var(--hot);
  border-radius: 3px;
  padding: 0.08rem 0.45rem;
}

.term-body {
  display: grid;
  gap: 0.75rem;
  padding: 0.9rem 0.7rem 0.7rem;
}

.box {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 0.9rem 0.8rem 0.6rem;
}

.box-title {
  position: absolute;
  top: -0.62rem;
  left: 0.6rem;
  padding: 0 0.35rem;
  background: var(--surface);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}

.tx {
  height: 23rem;
  padding: 0;
}

/* A column-reverse scroller starts at its end, so the newest line is in view
 * without a script. The lines inside keep their own order. */
.tx-scroll {
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column-reverse;
  padding: 0.9rem 0.8rem 0.6rem;
}

.tx-lines {
  display: grid;
  gap: 0.4rem;
  margin-bottom: auto;
}

.ln {
  overflow-wrap: anywhere;
}

.ln .who {
  display: inline-block;
  min-width: 3.6rem;
  font-weight: 700;
  color: var(--ink-2);
}

.ln-user {
  display: flex;
  gap: 0.5rem;
  color: var(--ink);
}

.ln-user .who {
  color: var(--link);
}

.ln-agent {
  display: flex;
  gap: 0.5rem;
  color: var(--ink);
}

.ln-tool .tool {
  font-weight: 700;
  color: var(--ink);
}

.ln-tool::before {
  content: "\25CF  ";
  color: var(--trust);
}

.ln-tool .args {
  margin-left: 0.6rem;
  color: var(--ink-2);
}

.ln-out {
  color: var(--ink-2);
  padding-left: 1rem;
}

.ln-out::before {
  content: "\2514  ";
  color: var(--ink-3);
}

.ln-note {
  color: var(--ink-3);
  padding-left: 1rem;
}

.ln-warn {
  color: var(--warn);
  background: var(--warn-bg);
  border-radius: 3px;
  padding: 0.2rem 0.5rem 0.2rem 1rem;
}

.ln-code {
  margin: 0.2rem 0 0.2rem 1rem;
  font-size: 0.75rem;
  line-height: 1.45;
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.6rem 0.7rem;
  overflow-x: auto;
}

/* Lines that arrive a moment after their step appear one at a time. */
.late {
  opacity: 0;
  animation: replay-appear 0.35s ease-out forwards;
}

@keyframes replay-appear {
  from {
    opacity: 0;
    transform: translateY(3px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.prompt {
  min-height: 2.4rem;
  padding-top: 0.85rem;
  padding-bottom: 0.5rem;
}

.cursor {
  display: inline-block;
  width: 0.55rem;
  height: 1rem;
  background: var(--ink-2);
  vertical-align: middle;
  animation: replay-blink 1.1s steps(1) infinite;
}

@keyframes replay-blink {
  50% {
    opacity: 0;
  }
}

.term-status {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.4rem 0.8rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-3);
}

/* The approval dialog --------------------------------------------------------- */

.dialog {
  background: var(--hot-bg);
  border: 1px solid var(--hot);
  border-radius: 4px;
  padding: 0.75rem 0.9rem 0.8rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.45;
}

.dialog-title {
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.dialog-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.15rem 0.9rem;
}

.dialog-facts dt {
  color: var(--ink-3);
  font-weight: 600;
}

.dialog-facts dd {
  margin: 0;
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn-decision {
  font-size: 0.85rem;
}

.dialog-hint {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  color: var(--ink-3);
}

.shell .tx-lines {
  gap: 0.2rem;
}

/* The explanation and controls ------------------------------------------------ */

.replay-side {
  min-width: 0;
}

.narration {
  min-height: 15.5rem;
}

.narration h3 {
  font-size: 1.4rem;
  line-height: 1.25;
  font-weight: 600;
  margin: 0.4rem 0 0.9rem;
}

.narration p + p {
  margin-top: 0.9rem;
}

.waiting {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  background: var(--hot-bg);
  border: 1px solid var(--hot);
  border-radius: 4px;
  padding: 0.55rem 0.8rem;
}

.narration .show-step {
  margin-top: 1rem;
}

.replay-controls {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.8rem;
}

.chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 0.22rem 0.65rem 0.22rem 0.4rem;
  cursor: pointer;
}

.chip:hover:not(:disabled) {
  border-color: var(--ink);
  color: var(--ink);
}

.chip:disabled {
  opacity: 0.45;
  cursor: default;
}

.chip-n {
  display: inline-grid;
  place-items: center;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  border: 1px solid var(--rule-strong);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.chip.is-past .chip-n {
  border-color: var(--trust);
  color: var(--trust);
}

.chip.is-current {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.chip.is-current .chip-n {
  border-color: var(--paper);
}

/* Reduced motion ------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .late {
    opacity: 1;
    animation: none;
  }

  .cursor {
    animation: none;
  }
}

/* Narrower screens ------------------------------------------------------------ */

@media (max-width: 899px) {
  .replay-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .narration {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .term {
    font-size: 0.78rem;
  }

  .tx {
    height: 21rem;
  }

  .ln-user,
  .ln-agent {
    display: block;
  }

  .ln .who {
    display: block;
    min-width: 0;
  }
}