.hamilton-sr-only {
  position: absolute;
  width: 0.0625rem;
  height: 0.0625rem;
  padding: 0;
  margin: -0.0625rem;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hamilton-page {
  color: var(--hamilton-home-ink);
}

.hamilton-home-page,
.hamilton-guide-page {
  background: var(--hamilton-home-bg);
  color: var(--hamilton-home-ink);
  min-height: 100vh;
  padding: 1.25rem 1.75rem;
}

.hamilton-home-header,
.hamilton-guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hamilton-home-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.hamilton-home-logo {
  height: 2rem;
  width: auto;
}

.hamilton-home-center {
  min-height: calc(100vh - 5rem);
  display: grid;
  place-items: center;
}

.hamilton-home-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.hamilton-home-link,
.hamilton-guide-nav-link {
  position: relative;
  font-weight: 500;
}

.hamilton-home-link::after,
.hamilton-guide-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.375rem;
  width: 100%;
  height: 0.0625rem;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}

.hamilton-home-link:hover::after,
.hamilton-home-link:focus-visible::after,
.hamilton-guide-nav-link:hover::after,
.hamilton-guide-nav-link:focus-visible::after {
  transform: scaleX(1);
}

.hamilton-home-link:focus-visible,
.hamilton-guide-nav-link:focus-visible,
.hamilton-home-brand:focus-visible,
.hamilton-app-home:focus-visible {
  outline: 0.125rem solid currentColor;
  outline-offset: 0.25rem;
}

.hamilton-home-separator {
  opacity: 0.5;
}

.hamilton-guide-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamilton-guide-article {
  width: min(56.25rem, 100%);
  margin: 10vh 0 0;
  padding-bottom: 4.5rem;
}

.hamilton-guide-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.56;
}

.hamilton-guide-lead {
  margin: 1.5rem 0 2.625rem;
  font-size: 1.08rem;
  color: rgba(17, 17, 17, 0.72);
}

.hamilton-guide-section {
  padding: 1.75rem 0;
  border-top: 0.0625rem solid rgba(17, 17, 17, 0.1);
}


/* Home Landing Rich Text */
.hamilton-home-content {
  width: min(50rem, 100%);
  margin: 0 0;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.hamilton-home-article {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  animation: fadeIn 0.8s ease-out;
}

.hamilton-home-lead {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--hamilton-muted);
  border-left: 0.25rem solid var(--hamilton-accent);
  padding-left: 1.5rem;
  margin: 0;
}

.hamilton-home-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}


@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(0.625rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hamilton-app-page {
  background: #ffffff;
  color: var(--hamilton-ink);
  height: 100vh;
  overflow: hidden;
}

.hamilton-noscript {
  margin: 3rem 0;
  padding: 1.5rem;
  border-radius: 1.5rem;
  border: 0.0625rem solid var(--hamilton-border);
  background: #ffffff;
  box-shadow: var(--hamilton-shadow);
}

.hamilton-noscript-logo {
  width: min(8.5rem, 40vw);
  height: auto;
  margin: 0 0 1.25rem;
}

.hamilton-workspace {
  height: 100vh;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
}

.hamilton-app-main,
.hamilton-sidebar,
.hamilton-auth-panel {

  background: #ffffff;
}

.hamilton-auth-divider {
  display: none;
}

.hamilton-auth-activation-zone {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0.75rem;
  background: transparent;
  z-index: 1050;
  pointer-events: auto;
}

.hamilton-app-main {
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
}

.hamilton-app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.125rem;
  flex-shrink: 0;
  padding: 1.5rem 1.5rem 0;
}

.hamilton-app-header,
.hamilton-workspace-banner {
  transition: max-height 0.7s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease, margin 0.7s cubic-bezier(0.4, 0, 0.2, 1), padding 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  max-height: 18.75rem;
  opacity: 1;
  overflow: hidden;
}

.hamilton-workspace.is-focused .hamilton-app-header,
.hamilton-workspace.is-focused .hamilton-workspace-banner {
  max-height: 0;
  opacity: 0;
  margin-top: -1.125rem;
  /* offset the flex gap smoothly */
  margin-bottom: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-width: 0;
}

.hamilton-workspace.is-focused .hamilton-chat-surface {
  padding-top: 1.75rem;
}

.hamilton-app-titleblock h1 {
  margin: 0.375rem 0 0.25rem;
  font-size: clamp(1.6rem, 2.4vw, 2.22rem);
  letter-spacing: -0.05em;
}



.hamilton-app-home {
  display: inline-block;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.8;
  transform: translateY(-0.5rem);
}

.hamilton-app-subtitle {
  margin: 0;
  color: var(--hamilton-muted);
}

.hamilton-app-header-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hamilton-status-pill,
.hamilton-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5625rem;
  padding: 0.6875rem 0.875rem;
  border-radius: 62.4375rem;
  border: 0.0625rem solid var(--hamilton-border);
  background: var(--hamilton-surface-strong);
  font-size: 0.92rem;
  font-weight: 600;
}

.hamilton-status-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--hamilton-ok);
  flex: 0 0 auto;
}

.hamilton-status-pill.tone-ok .hamilton-status-dot {
  background: var(--hamilton-ok);
}

.hamilton-status-pill.tone-warn .hamilton-status-dot {
  background: var(--hamilton-warn);
}

.hamilton-status-pill.tone-error .hamilton-status-dot {
  background: var(--hamilton-error);
}

.hamilton-workspace-banner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  flex-shrink: 0;
  padding: 0.75rem 1.5rem 1.125rem;
}



.hamilton-chip {
  grid-column: span 1;
  padding: 0.625rem 0.875rem;
  border-radius: var(--hamilton-radius-md);
  border: 0.0625rem solid var(--hamilton-border);
  background: rgba(255, 255, 255, 0.78);

}

.hamilton-chip-wide {
  grid-column: span 1;
}

.hamilton-chip-label {
  display: block;
  margin-bottom: 0.125rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hamilton-muted);
}

.hamilton-chip-value {
  display: block;
  font-size: 0.92rem;
  color: var(--hamilton-ink);
  overflow: hidden;
  text-overflow: ellipsis;
}

.hamilton-inline-notice {
  margin: 0;
  padding: 0.75rem 0.875rem;
  border-radius: 1rem;
  border: 0.0625rem solid var(--hamilton-error-border);
  background: var(--hamilton-error-bg);
  color: var(--hamilton-error-ink);
}

.hamilton-chat-surface {
  flex: 1 1 auto;
  min-height: 0;
  background: #ffffff;
  padding: 0 1.5rem;
  overflow: hidden;
  transition: padding 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}



.hamilton-chat-messages {
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.125rem;
  padding-right: 0.25rem;
}

.hamilton-chat-messages::-webkit-scrollbar,
.hamilton-thread-list::-webkit-scrollbar,
.hamilton-files-list::-webkit-scrollbar {
  display: none;
  width: 0;
}

.hamilton-chat-messages,
.hamilton-thread-list,
.hamilton-files-list {
  scrollbar-width: none;
}

.hamilton-message-row {
  display: flex;
  width: 100%;
}

.hamilton-message-row.is-user {
  justify-content: flex-end;
  align-items: flex-end;
}

.hamilton-message-row.is-assistant {
  justify-content: flex-start;
  align-items: flex-start;
}

.hamilton-message-shell {
  width: fit-content;
  display: flex;
  flex-direction: column;
}

.hamilton-message-bubble {
  width: fit-content;
  padding: 1rem 1.125rem;
  border-radius: 1.375rem;
  background: #ffffff;
  color: #1a1a1b;
  border: 0.0625rem solid transparent;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: 0 0.625rem 1.5rem rgba(25, 53, 92, 0.08);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hamilton-message-bubble.is-revealing {
  animation: hamilton-burst-reveal 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes hamilton-burst-reveal {
  0% {
    opacity: 0;
    transform: translateY(0.75rem) scale(0.97);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hamilton-message-row.is-user .hamilton-message-bubble {
  background: var(--hamilton-user-bubble);
  color: var(--hamilton-user-ink);
  border-bottom-right-radius: 0.625rem;
  align-self: flex-end;
}

.hamilton-message-row.is-assistant .hamilton-message-bubble {
  background: #ffffff;
  color: var(--hamilton-assistant-ink);
  border: 0.0625rem solid var(--hamilton-border-strong);
  border-bottom-left-radius: 0.625rem;
  align-self: flex-start;
  box-shadow: 0 0.25rem 0.75rem rgba(25, 53, 92, 0.08);
}

.hamilton-message-meta {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--hamilton-muted);
}

.hamilton-message-image {
  width: 100%;
  margin-bottom: 0.75rem;
  border-radius: 1.125rem;
  overflow: hidden;
  border: 0.0625rem solid rgba(191, 209, 231, 0.7);
}

.hamilton-thinking {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.75rem;
  min-height: 3.75rem;
}

.hamilton-thinking-status {
  font-size: 0.82rem;
  color: var(--hamilton-muted);
  text-align: left;
  min-height: 1.25em;
  font-weight: 400;
  transition: opacity 0.4s ease;
}

.hamilton-thinking-pulse {
  width: 0.75rem;
  height: 0.75rem;
  background-color: #3b82f6;
  border-radius: 50%;
  animation: hamilton-pulse-gentle 2s infinite ease-in-out;
}

@keyframes hamilton-pulse-gentle {
  0% {
    transform: scale(1.2);
    opacity: 1;
  }

  50% {
    transform: scale(0.8);
    opacity: 0.5;
  }

  100% {
    transform: scale(1.2);
    opacity: 1;
  }
}

.hamilton-message-bubble.is-thinking {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  padding: 0;
  animation: none;
}

.hamilton-thinking-dot {
  display: none;
}

@keyframes hamilton-pulse {

  0%,
  100% {
    transform: scale(0.78);
    opacity: 0.42;
  }

  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

.hamilton-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: stretch;
  flex-shrink: 0;
  padding: 1.125rem 1.5rem 1.75rem;
  background: transparent;
  border-top: none;
}

.hamilton-composer-input,
.hamilton-input {
  width: 100%;
  border-radius: 1.125rem;
  border: 0.0625rem solid var(--hamilton-border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--hamilton-ink);
  padding: 0.875rem 1rem;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.hamilton-composer-input {
  min-height: 3.625rem;
  max-height: 11.25rem;
  resize: vertical;
}

.hamilton-input::placeholder,
.hamilton-composer-input::placeholder {
  color: #7d8ca2;
}

.hamilton-composer-input:focus,
.hamilton-input:focus {
  outline: none;
  border-color: var(--hamilton-border-strong);
  box-shadow: 0 0 0 0.25rem rgba(22, 54, 95, 0.08);
}



.hamilton-sidebar {
  height: calc(100vh - 3.25rem);
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.hamilton-sidebar-actions,
.hamilton-sidebar-dock {
  display: grid;
  gap: 0.75rem;
}

.hamilton-mobile-actions {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
}

.hamilton-thread-list,
.hamilton-mobile-thread-list,
.hamilton-files-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hamilton-thread-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.hamilton-thread-card,
.hamilton-empty-card,
.hamilton-file-card {
  padding: 1rem;
  border-radius: 1.125rem;
  border: 0.0625rem solid var(--hamilton-border);
  background: rgba(255, 255, 255, 0.9);
}

.hamilton-thread-card {
  text-align: left;
}

.hamilton-thread-card.is-active {
  border-color: var(--hamilton-accent);
  background: var(--hamilton-accent-soft);
}

.hamilton-thread-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--hamilton-ink);
}

.hamilton-thread-preview,
.hamilton-thread-meta,
.hamilton-empty-card p,
.hamilton-file-excerpt,
.hamilton-auth-panel p {
  margin: 0.5rem 0 0;
  color: var(--hamilton-muted);
}

.hamilton-thread-meta {
  font-size: 0.82rem;
}

.hamilton-empty-card h3 {
  margin: 0;
  font-size: 0.98rem;
}

.hamilton-mobile-threads {
  display: grid;
  gap: 0.75rem;
}


.hamilton-mobile-thread-list {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  padding-bottom: 0.375rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.hamilton-mobile-thread-list .hamilton-thread-card,
.hamilton-mobile-thread-list .hamilton-empty-card {
  min-width: min(17.5rem, 78vw);
}

.hamilton-section-header {
  padding: 0 1.5rem;
}

.hamilton-section-header h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.hamilton-auth-header {
  display: grid;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

.hamilton-auth-header h2 {
  margin: 0;
  font-size: 1.65rem;
  letter-spacing: -0.04em;
}

.hamilton-auth-tabs {
  display: inline-flex;
  gap: 0.5rem;
  padding: 0.25rem;
  border-radius: 62.4375rem;
  background: rgba(22, 54, 95, 0.07);
  width: fit-content;
}

.hamilton-auth-tab {
  appearance: none;
  border: 0;
  background: transparent;
  border-radius: 62.4375rem;
  padding: 0.625rem 0.875rem;
  font-weight: 700;
  color: var(--hamilton-muted);
}

.hamilton-auth-tab.is-active {
  background: #ffffff;
  color: var(--hamilton-ink);
  box-shadow: 0 0.375rem 1.125rem rgba(25, 53, 92, 0.08);
}

.hamilton-auth-form,
.hamilton-modal-form,
#signup-fields,
#login-fields {
  display: grid;
  gap: 0.75rem;
}

.hamilton-auth-error {
  margin: 0;
  color: var(--hamilton-error-ink);
}

.hamilton-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.hamilton-modal-overlay[hidden] {
  display: none;
}

.hamilton-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(15, 30, 48, 0.42);
}

.hamilton-modal-shell {
  position: relative;
  width: min(42.5rem, 100%);
  max-height: calc(100vh - 3rem);
  overflow: hidden;
}

.hamilton-modal-panel {
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
  border-radius: var(--hamilton-radius-lg);
  border: 0.0625rem solid var(--hamilton-border);
  background: #ffffff;
  box-shadow: 0 1.75rem 3.75rem rgba(15, 30, 48, 0.26);
  padding: 1.5rem;
}

.hamilton-modal-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.125rem;
}

.hamilton-modal-header h2 {
  margin: 0 0 0.375rem;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.hamilton-modal-header p {
  margin: 0;
  color: var(--hamilton-muted);
}

.hamilton-close-button {
  align-self: start;
  padding: 0.625rem 0.875rem;
  border-radius: 0.875rem;
}

.hamilton-textarea {
  resize: vertical;
  min-height: 7.5rem;
}

.hamilton-context-textarea {
  min-height: 13.75rem;
}

.hamilton-file-card.is-active {
  border-color: var(--hamilton-accent);
  background: var(--hamilton-accent-soft);
}

.hamilton-file-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.875rem;
}

.hamilton-file-name {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}

.hamilton-file-toggle {
  font-size: 0.82rem;
  color: var(--hamilton-muted);
}

.hamilton-settings-group {
  display: grid;
  gap: 0.75rem;
}

.hamilton-settings-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hamilton-muted);
}

.hamilton-settings-buttons {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.hamilton-profile-summary {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.hamilton-profile-badge {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--hamilton-accent);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
}

.hamilton-profile-name {
  margin: 0;
  font-size: 1.2rem;
}

.hamilton-profile-email {
  margin: 0.25rem 0 0;
  color: var(--hamilton-muted);
}

.hamilton-profile-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hamilton-profile-stat {
  border-radius: 1.125rem;
  border: 0.0625rem solid var(--hamilton-border);
  background: rgba(237, 244, 255, 0.55);
  padding: 1rem;
  text-align: center;
}

.hamilton-profile-stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hamilton-profile-stat-label {
  display: block;
  margin-top: 0.375rem;
  color: var(--hamilton-muted);
}