/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V4 */
/* Hallmark · macrostructure: Workbench · genre: modern-minimal · theme: Coral · tone: utilitarian · enrichment: none · nav: N9 · footer: Ft2 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57) */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  min-height: 100%;
  overflow-x: clip;
  background: var(--color-paper);
  font-family: var(--font-sans);
  color: var(--color-ink);
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
}

button,
input {
  font: inherit;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
}

[hidden] {
  display: none !important;
}

.topbar {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-inline: var(--page-gutter);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.wordmark {
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.host-state,
.stream-state {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-rule-strong);
}

.host-state[data-state="active"] .status-dot,
.status-dot--light {
  background: var(--color-accent);
}

.host-state[data-state="error"] .status-dot {
  background: var(--color-error);
}

.workbench {
  display: grid;
  width: min(100%, var(--max-page));
  min-height: calc(100dvh - 8.5rem);
  margin-inline: auto;
  padding: var(--space-8) var(--page-gutter) var(--space-12);
  gap: var(--space-10);
}

.pairing {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-12);
  max-width: var(--max-copy);
}

.pairing-copy {
  padding-top: var(--space-4);
}

.eyebrow,
.stage-kicker {
  margin: 0 0 var(--space-5);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

h1 {
  min-width: 0;
  max-width: 9ch;
  margin: 0;
  font-size: var(--text-display);
  font-weight: 580;
  letter-spacing: -0.065em;
  line-height: 0.89;
  overflow-wrap: anywhere;
}

.lede {
  max-width: 45ch;
  margin: var(--space-6) 0 0;
  color: var(--color-muted);
  font-size: var(--text-lg);
  line-height: 1.5;
}

.pairing-form {
  width: min(100%, 30rem);
}

.field-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.field-head label {
  color: var(--color-ink);
  font-weight: 620;
}

.code-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
}

.code-input,
.connect-button,
.stream-button,
.stream-toggle {
  min-height: var(--control-height);
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.code-input {
  min-width: 0;
  padding: 0 var(--space-4);
  outline: 2px solid transparent;
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.code-input:hover:not(:disabled) {
  border-color: var(--color-ink-soft);
  background: var(--color-surface-hover);
}

.code-input:focus-visible,
.connect-button:focus-visible,
.stream-button:focus-visible,
.stream-toggle:focus-visible,
.wordmark:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.code-input:active:not(:disabled) {
  background: var(--color-paper-subtle);
}

.code-input:disabled {
  border-color: var(--color-rule);
  background: var(--color-paper-subtle);
  color: var(--color-muted);
  opacity: 0.72;
}

.code-input[aria-invalid="true"],
.code-input[data-state="error"] {
  border-color: var(--color-error);
}

.code-input[data-state="success"] {
  border-color: var(--color-success);
}

.connect-button {
  position: relative;
  display: inline-grid;
  min-width: 7.25rem;
  place-items: center;
  padding: 0 var(--space-5);
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
}

.connect-button:hover:not(:disabled) {
  border-color: var(--color-ink-soft);
  background: var(--color-ink-soft);
}

.connect-button:active:not(:disabled),
.stream-button:active:not(:disabled) {
  transform: translateY(1px);
}

.connect-button:disabled {
  border-color: var(--color-rule-strong);
  background: var(--color-rule-strong);
  color: var(--color-paper-subtle);
  opacity: 0.72;
}

.button-indicator {
  position: absolute;
  right: var(--space-4);
  width: 0.8rem;
  height: 0.8rem;
  border: 0.12rem solid var(--color-paper-subtle);
  border-right-color: transparent;
  border-radius: 50%;
  opacity: 0;
}

.connect-button[data-state="loading"] {
  padding-right: var(--space-10);
}

.connect-button[data-state="loading"] .button-indicator {
  opacity: 1;
  animation: spin 720ms linear infinite;
}

.connect-button[data-state="error"] {
  border-color: var(--color-error);
  background: var(--color-error);
}

.connect-button[data-state="success"] {
  border-color: var(--color-success);
  background: var(--color-success);
}

.field-help {
  min-height: 2.6em;
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.3;
}

.field-help[data-state="error"] {
  color: var(--color-error);
}

.field-help[data-state="success"] {
  color: var(--color-success);
}

.display-stage {
  position: relative;
  min-height: 19rem;
  overflow: hidden;
  border: var(--rule-thin) solid var(--color-screen-soft);
  border-radius: var(--radius-stage);
  background: var(--color-screen);
  color: var(--color-screen-text);
}

.display-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--color-screen);
}

.stage-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-6);
}

.stage-corner {
  width: 2.75rem;
  height: 2.75rem;
  border-top: var(--rule-thin) solid var(--color-screen-muted);
  border-left: var(--rule-thin) solid var(--color-screen-muted);
}

.stage-kicker {
  margin-bottom: var(--space-2);
  color: var(--color-screen-muted);
}

.stage-message {
  max-width: 14ch;
  margin: 0;
  color: var(--color-screen-text);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 560;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.stage-ratio {
  position: absolute;
  right: var(--space-6);
  bottom: var(--space-6);
  color: var(--color-screen-muted);
  font-size: var(--text-xs);
}

.stream-controls {
  position: absolute;
  z-index: var(--z-controls);
  top: 50%;
  right: 0;
  display: flex;
  align-items: center;
  max-width: calc(100% - var(--space-4));
  min-height: 3.25rem;
  transform: translateY(-50%);
  border: var(--rule-thin) solid var(--color-screen-soft);
  border-right: 0;
  border-radius: var(--radius-md);
  border-start-end-radius: 0;
  border-end-end-radius: 0;
  background: var(--color-scrim);
  overflow: hidden;
}

.stream-panel {
  display: flex;
  max-width: min(44rem, calc(100vw - 4.5rem));
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) 0 var(--space-2) var(--space-4);
}

.stream-controls[data-expanded="false"] .stream-panel {
  display: none;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.stream-state {
  color: var(--color-screen-text);
}

.stream-metrics {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  padding-left: var(--space-4);
  border-left: var(--rule-thin) solid var(--color-screen-soft);
  white-space: nowrap;
}

.stream-metrics div {
  display: grid;
  gap: 0.1rem;
}

.stream-metrics dt,
.stream-metrics dd {
  margin: 0;
}

.stream-metrics dt {
  color: var(--color-screen-muted);
  font-size: var(--text-xs);
  line-height: 1;
}

.stream-metrics dd {
  color: var(--color-screen-text);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  line-height: 1.2;
}

.session-remaining {
  margin: 0;
  padding-inline: var(--space-3);
  color: var(--color-screen-text);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

.stream-controls[data-expanded="true"] .session-remaining {
  border-left: var(--rule-thin) solid var(--color-screen-soft);
}

.stream-actions {
  display: flex;
  gap: var(--space-2);
}

.stream-toggle {
  display: grid;
  width: 3.25rem;
  min-width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  padding: 0;
  border: 0;
  border-left: var(--rule-thin) solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--color-screen-text);
}

.stream-toggle:hover:not(:disabled) {
  background: var(--color-screen-soft);
}

.stream-toggle:active:not(:disabled) {
  transform: translateX(1px);
}

.stream-controls[data-expanded="true"] .stream-toggle {
  border-left-color: var(--color-screen-soft);
}

.stream-toggle__glyph {
  display: grid;
  gap: 0.23rem;
}

.stream-toggle__glyph span {
  display: block;
  width: 1rem;
  height: 0.12rem;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--duration-state) var(--ease-out);
}

.stream-toggle__glyph span:nth-child(2) {
  width: 0.66rem;
  justify-self: end;
}

.stream-controls[data-expanded="true"] .stream-toggle__glyph span:first-child {
  transform: translateX(-0.12rem);
}

.stream-controls[data-expanded="true"] .stream-toggle__glyph span:nth-child(2) {
  transform: translateX(0.12rem);
}

.stream-button {
  min-height: 2.75rem;
  padding: 0 var(--space-4);
  border-color: var(--color-screen-muted);
  background: var(--color-screen-text);
  color: var(--color-screen);
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
}

.stream-button:hover:not(:disabled) {
  background: var(--color-paper-subtle);
}

.stream-button:disabled {
  opacity: 0.58;
}

.stream-button--quiet {
  border-color: var(--color-screen-muted);
  background: var(--color-screen-soft);
  color: var(--color-screen-text);
}

.stream-button--quiet:hover:not(:disabled) {
  background: var(--color-ink-soft);
}

.session-limit {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  gap: var(--space-8);
  padding: clamp(var(--space-6), 6vw, var(--space-16));
  background: var(--color-screen);
  color: var(--color-screen-text);
}

.session-limit__copy {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  max-width: 52rem;
  align-items: start;
  gap: var(--space-8);
}

.session-limit__marker {
  margin: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 4rem);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
}

.session-limit h2 {
  min-width: 0;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.session-limit__copy div > p {
  max-width: 48ch;
  margin: var(--space-5) 0 0;
  color: var(--color-screen-muted);
  font-size: var(--text-lg);
  line-height: 1.5;
}

.session-limit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.session-limit__actions .stream-button {
  min-height: var(--control-height);
}

.session-limit__end {
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  border: 0;
  border-radius: var(--radius-md);
  outline: 2px solid transparent;
  background: transparent;
  color: var(--color-screen-text);
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  white-space: nowrap;
}

.session-limit__end:hover {
  color: var(--color-paper-subtle);
}

.session-limit__end:focus-visible {
  outline-color: var(--color-accent);
  outline-offset: 1px;
}

.session-limit__end:active {
  transform: translateY(1px);
}

.session-limit__action:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.session-limit__action[data-state="loading"] {
  cursor: wait;
  opacity: 0.72;
}

.session-limit__action[data-state="error"] {
  border-color: var(--color-error);
  color: var(--color-screen-text);
}

.session-limit__action[data-state="success"] {
  border-color: var(--color-success);
  color: var(--color-screen-text);
}

.session-limit__help {
  max-width: 54ch;
  margin: 0;
  color: var(--color-screen-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.footer-line {
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-inline: var(--page-gutter);
  border-top: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

body[data-mode="streaming"],
body[data-mode="expired"] {
  background: var(--color-screen);
}

body[data-mode="streaming"] .topbar,
body[data-mode="streaming"] .pairing,
body[data-mode="streaming"] .footer-line,
body[data-mode="expired"] .topbar,
body[data-mode="expired"] .pairing,
body[data-mode="expired"] .footer-line {
  display: none;
}

body[data-mode="streaming"] .workbench,
body[data-mode="expired"] .workbench {
  display: block;
  width: 100%;
  min-height: 100dvh;
  padding: 0;
}

body[data-mode="streaming"] .display-stage,
body[data-mode="expired"] .display-stage {
  width: 100%;
  height: 100dvh;
  min-height: 0;
  border: 0;
  border-radius: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (min-width: 60rem) {
  .workbench {
    grid-template-columns: minmax(22rem, 0.78fr) minmax(32rem, 1.22fr);
    min-height: calc(100dvh - 8.5rem);
    align-items: stretch;
  }

  .pairing {
    padding-block: var(--space-4) var(--space-8);
  }

  .display-stage {
    min-height: min(44rem, calc(100dvh - 12.5rem));
  }
}

@media (max-width: 40rem) {
  .stream-controls[data-expanded="true"] .stream-panel {
    max-width: calc(100vw - 4.25rem);
    gap: var(--space-2);
    padding-left: var(--space-2);
  }

  .stream-state {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .stream-metrics {
    display: none;
  }

  .stream-controls[data-expanded="true"] .session-remaining {
    display: none;
  }

  .stream-button {
    padding-inline: var(--space-3);
  }

  .session-limit__copy {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .session-limit__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .session-limit__actions > * {
    width: 100%;
  }
}

@media (max-width: 31rem) {
  .host-state span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .workbench {
    padding-top: var(--space-6);
  }

  .code-entry {
    grid-template-columns: 1fr;
  }

  .connect-button {
    width: 100%;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}