.contract-page {
  background:
    linear-gradient(118deg, transparent 0 68%, rgb(245 243 238 / 42%) 68% 100%),
    var(--color-page);
}

.contract-interface {
  position: relative;
  display: flex;
  min-block-size: 100vh;
  min-block-size: 100svh;
  padding: clamp(1rem, 3vw, 2.75rem) var(--page-gutter) clamp(2rem, 5vw, 5rem);
  flex-direction: column;
}

.contract-interface::after {
  position: absolute;
  z-index: -1;
  inset-block-start: 12rem;
  inset-inline-end: -8rem;
  inline-size: 25rem;
  aspect-ratio: 1;
  border: 1px solid rgb(17 19 21 / 8%);
  content: "";
  transform: rotate(45deg);
}

.contract-phase-content {
  display: grid;
  inline-size: min(100%, 90rem);
  margin-inline: auto;
  flex: 1;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  min-block-size: 0;
}

.contract-access {
  position: fixed;
  z-index: 1;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  display: grid;
  inline-size: min(53rem, calc(100% - var(--page-gutter) - var(--page-gutter)));
  margin: 0;
  place-items: center;
  transform: translate(-50%, -50%);
}

.contract-session-bar h2,
.contract-document h3,
.contract-acceptance h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.95;
  text-transform: uppercase;
}

.contract-token-form {
  inline-size: 100%;
  margin: 0;
}

.contract-token-form input {
  inline-size: 100%;
  min-inline-size: 0;
  block-size: 4rem;
  padding: 0 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0;
  background: #fff;
  font-family: var(--font-technical);
  font-size: clamp(1rem, 2.8vw, 1.45rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.contract-access--invalid .contract-token-form input {
  border-color: #a12622;
  background: rgb(161 38 34 / 10%);
  box-shadow: inset 0 0 0 2px #a12622;
  animation: contract-invalid-pulse 1500ms cubic-bezier(0.2, 0.75, 0.25, 1) 1 both;
}

@keyframes contract-invalid-pulse {
  0% {
    background: transparent;
    box-shadow: inset 0 0 0 2px rgb(161 38 34 / 0%);
  }

  20% {
    background: rgb(161 38 34 / 10%);
    box-shadow: inset 0 0 0 2px #a12622;
  }

  55% {
    background: rgb(161 38 34 / 6%);
    box-shadow: inset 0 0 0 2px rgb(161 38 34 / 65%);
  }

  100% {
    background: transparent;
    box-shadow: inset 0 0 0 2px rgb(161 38 34 / 0%);
  }
}

.contract-action {
  display: inline-grid;
  min-block-size: 2.8rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0;
  background: transparent;
  place-items: center;
  font-family: var(--font-technical);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.contract-action--quiet {
  border-color: #76544d;
  color: #68413a;
}

.contract-action:disabled,
.contract-action--link:not([href]) {
  opacity: 0.52;
}

.contract-workspace {
  inline-size: 100%;
  margin-block-start: clamp(2.5rem, 6vw, 5rem);
  grid-column: 1;
  grid-row: 1;
}

.contract-session-bar {
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: end;
  padding: 1.2rem 0;
  border-block: 2px solid var(--color-structure);
}

.contract-session-bar__identity {
  min-inline-size: 0;
}

.contract-session-bar h2 {
  max-inline-size: 32ch;
  margin-block-start: 0.45rem;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  overflow-wrap: anywhere;
  text-transform: none;
}

.contract-session-bar__controls {
  display: flex;
  gap: 1rem;
  align-items: end;
}

.contract-session-timer {
  display: grid;
  gap: 0.2rem;
  color: var(--color-text-muted);
  font-family: var(--font-technical);
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contract-session-timer time {
  color: var(--color-text);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.contract-operation-grid {
  display: grid;
  margin-block-start: 1.25rem;
  grid-template-columns: minmax(0, 1.7fr) minmax(17rem, 0.72fr);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
}

.contract-document,
.contract-acceptance {
  min-inline-size: 0;
  border: 1px solid var(--color-border-strong);
  background: rgb(245 243 238 / 82%);
}

.contract-document__header {
  display: flex;
  min-block-size: 5.5rem;
  padding: 1rem;
  gap: 1rem;
  align-items: end;
  justify-content: space-between;
  border-block-end: var(--border-subtle);
}

.contract-document h3 {
  margin-block-start: 0.35rem;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.contract-document__tabs,
.contract-document__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.contract-document-tab {
  min-block-size: 2.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0;
  background: transparent;
  font-family: var(--font-technical);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contract-document-tab[aria-pressed="true"] {
  background: var(--color-structure);
  color: var(--color-on-structure);
}

.contract-viewer {
  position: relative;
  min-block-size: clamp(24rem, 62vh, 52rem);
  background: #c9c7c2;
}

.contract-viewer iframe {
  display: block;
  inline-size: 100%;
  block-size: clamp(24rem, 62vh, 52rem);
  border: 0;
  background: #fff;
}

.contract-viewer__status:not(:empty) {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: grid;
  padding: 2rem;
  place-items: center;
  background: #d8d5cf;
  color: var(--color-text-muted);
  text-align: center;
}

.contract-document__actions {
  padding: 1rem;
  border-block-start: var(--border-subtle);
}

.contract-document__fallback {
  padding: 0 1rem 1rem;
  color: var(--color-text-muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.contract-acceptance {
  position: sticky;
  inset-block-start: 1rem;
  padding: clamp(1.2rem, 2.5vw, 2rem);
  border-block-start: 4px solid var(--color-structure);
}

.contract-acceptance h3 {
  margin-block-start: 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.contract-acceptance h3 + p {
  margin-block-start: 1rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.contract-hold {
  position: relative;
  display: grid;
  inline-size: 100%;
  min-block-size: 7rem;
  margin-block-start: 1.5rem;
  padding: 1rem;
  overflow: hidden;
  border: 2px solid var(--color-structure);
  border-radius: 0;
  background:
    linear-gradient(90deg, var(--color-accent) var(--hold-progress, 0%), transparent var(--hold-progress, 0%)),
    var(--color-structure);
  color: var(--color-on-structure);
  place-items: center;
  touch-action: none;
  -webkit-touch-callout: none;
  user-select: none;
}

.contract-hold::before,
.contract-hold::after {
  position: absolute;
  content: "";
}

.contract-hold::before {
  inset: 0.55rem;
  border: 1px solid rgb(245 243 238 / 26%);
}

.contract-hold::after {
  inset-block: 0;
  inset-inline-start: 50%;
  inline-size: 1px;
  background: rgb(245 243 238 / 18%);
}

.contract-hold__label,
.contract-hold__time {
  position: relative;
  z-index: 1;
}

.contract-hold__label {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.contract-hold__time {
  font-family: var(--font-technical);
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.contract-progress {
  inline-size: 100%;
  block-size: 0.5rem;
  margin-block-start: 0.8rem;
  border: 1px solid var(--color-structure);
  border-radius: 0;
  background: transparent;
}

.contract-progress::-webkit-progress-bar {
  background: transparent;
}

.contract-progress::-webkit-progress-value {
  background: var(--color-accent);
}

.contract-progress::-moz-progress-bar {
  background: var(--color-accent);
}

.contract-progress-copy,
.contract-acceptance__boundary,
.contract-signed-at {
  margin-block-start: 0.7rem;
  font-size: 0.72rem;
  line-height: 1.5;
}

.contract-acceptance__boundary {
  padding-block-start: 0.8rem;
  border-block-start: var(--border-subtle);
  color: var(--color-text-muted);
}

.contract-acceptance__signed {
  min-block-size: 20rem;
  align-content: center;
}

.contract-acceptance__signed:not([hidden]) {
  display: grid;
}

.contract-acceptance__signed::before {
  inline-size: 3.5rem;
  block-size: 0.45rem;
  margin-block-end: 1.5rem;
  background: var(--color-accent);
  content: "";
}

.contract-status:not(:empty) {
  margin-block-start: 1rem;
  padding: 0.85rem 1rem;
  border-inline-start: 3px solid var(--color-border-strong);
  background: rgb(17 19 21 / 5%);
  font-size: 0.82rem;
  line-height: 1.5;
}

.contract-status {
  inline-size: 100%;
  grid-column: 1;
  grid-row: 2;
}

.contract-status[data-tone="warning"] {
  border-inline-start-color: #68413a;
}

.contract-status[data-tone="success"] {
  border-inline-start-color: var(--color-accent);
}

@media (max-width: 64rem) {
  .contract-operation-grid {
    grid-template-columns: 1fr;
  }

  .contract-acceptance {
    position: static;
  }

  .contract-acceptance__unsigned {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.75fr);
    gap: 0.7rem 2rem;
    align-items: center;
  }

  .contract-acceptance__unsigned > :not(.contract-hold, .contract-progress, .contract-progress-copy) {
    grid-column: 1;
  }

  .contract-hold,
  .contract-progress,
  .contract-progress-copy {
    grid-column: 2;
  }

  .contract-hold {
    grid-row: 1 / 4;
    margin-block-start: 0;
  }
}

@media (max-height: 40rem) {
  .contract-phase-content {
    display: block;
  }
}

@media (max-width: 44rem) {
  .contract-acceptance__unsigned {
    grid-template-columns: 1fr;
  }

  .contract-session-bar,
  .contract-document__header {
    align-items: stretch;
    flex-direction: column;
  }

  .contract-session-bar__controls {
    justify-content: space-between;
  }

  .contract-document__tabs {
    inline-size: 100%;
  }

  .contract-document-tab {
    flex: 1 1 0;
  }

  .contract-viewer,
  .contract-viewer iframe {
    min-block-size: 28rem;
    block-size: 55vh;
  }

  .contract-acceptance__unsigned > *,
  .contract-hold,
  .contract-progress,
  .contract-progress-copy {
    grid-column: 1;
  }

  .contract-hold {
    grid-row: auto;
    margin-block-start: 1rem;
  }
}

@media (max-width: 28rem) {
  .contract-interface {
    padding-inline: 1rem;
  }

  .contract-token-form input {
    font-size: 0.95rem;
    letter-spacing: 0.07em;
  }

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

@media (max-height: 30rem) and (orientation: landscape) {
  .contract-interface {
    padding-block: 0.75rem 2rem;
  }

  .contract-workspace {
    margin-block-start: 1.5rem;
  }

  .contract-viewer,
  .contract-viewer iframe {
    min-block-size: 20rem;
    block-size: 76vh;
  }

  .contract-acceptance {
    position: static;
  }
}

@media (max-width: 36rem) {
  .contract-page {
    block-size: 100vh;
    block-size: 100dvh;
    min-block-size: 0;
    overflow: hidden;
    overscroll-behavior: none;
  }

  .contract-interface {
    block-size: 100%;
    min-block-size: 0;
    padding-block-start: max(1rem, env(safe-area-inset-top));
    padding-block-end: max(0.5rem, env(safe-area-inset-bottom));
    overflow: hidden;
  }

  .contract-phase-content {
    max-block-size: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contract-access--invalid .contract-token-form input {
    background: rgb(161 38 34 / 10%);
    box-shadow: inset 0 0 0 2px #a12622;
    animation: none;
  }

  .contract-hold {
    transition: none;
  }
}