:root {
  color-scheme: light;
  --cp-bg: #f7f5ef;
  --cp-bg-elevated: #f1eee5;
  --cp-surface: #fffdf8;
  --cp-surface-soft: #f4f1e9;
  --cp-border: #c7d0d8;
  --cp-border-strong: #12304f;
  --cp-text: #12304f;
  --cp-text-muted: #53687a;
  --cp-text-soft: #718292;
  --cp-accent: #12304f;
  --cp-accent-hover: #1d466d;
  --cp-accent-soft: rgba(18, 48, 79, 0.08);
  --cp-accent-fg: #fffdf8;
  --cp-success: #16a34a;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #1d466d;
  --cp-shadow: 0 8px 24px rgba(18, 48, 79, 0.1);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(18, 48, 79, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.hidden {
  display: none !important;
}

.login-screen {
  display: grid;
  min-height: 100%;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(var(--cp-accent-soft), var(--cp-accent-soft)),
    var(--cp-bg);
}

.login-card {
  width: min(440px, 100%);
  padding: 40px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: var(--cp-shadow);
  text-align: center;
}

.login-brand-mark,
.login-brand-logo {
  display: grid;
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  place-items: center;
  border-radius: 0.625rem;
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
  font-size: 30px;
  font-weight: 700;
}

.login-brand-logo,
.brand-logo {
  object-fit: cover;
}

.login-eyebrow {
  margin: 0 0 8px;
  color: var(--cp-text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.login-card h1 {
  margin: 0;
  font-size: clamp(26px, 5vw, 34px);
  letter-spacing: -0.03em;
}

.login-description {
  margin: 16px auto 28px;
  color: var(--cp-text-muted);
  line-height: 1.65;
}

.github-login-button {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 0.625rem;
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
  font-weight: 700;
  text-decoration: none;
  transition: background 120ms ease, transform 120ms ease;
}

.github-login-button:hover {
  background: var(--cp-accent-hover);
  transform: translateY(-1px);
}

.github-login-button:focus-visible {
  outline: 2px solid var(--cp-link);
  outline-offset: 3px;
}

.github-login-button svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.microsoft-login-button {
  margin-top: 12px;
}

.login-note {
  margin: 20px 0 0;
  color: var(--cp-text-soft);
  font-size: 12px;
  line-height: 1.5;
}

.admin-login-form {
  display: grid;
  gap: 16px;
  text-align: left;
}

.admin-login-form h1,
.admin-login-form .login-description {
  text-align: center;
}

.login-step-success {
  margin: 0;
  color: var(--cp-success);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.admin-login-form label {
  display: grid;
  gap: 6px;
  color: var(--cp-text-muted);
  font-size: 13px;
  font-weight: 700;
}

.admin-login-form input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-bg-elevated);
  color: var(--cp-text);
}

.admin-provider-settings {
  display: grid;
  gap: 14px;
}

.grant-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.grant-status {
  color: var(--cp-text-muted);
  font-size: 12px;
}

.grant-modal {
  width: min(560px, calc(100vw - 32px));
  padding: 0;
  border: 0;
  color: var(--cp-text);
  background: transparent;
}

.grant-modal::backdrop {
  background: var(--cp-overlay);
}

.grant-card {
  display: grid;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
}

.grant-scope-options {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
}

.grant-scope-options label,
.grant-user-list label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.grant-user-section {
  display: grid;
  gap: 10px;
}

.grant-user-list {
  display: grid;
  max-height: 220px;
  gap: 8px;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
}

.sandbox-config-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr)) auto;
  align-items: end;
  gap: 12px;
}

.sandbox-config-grid label {
  display: grid;
  gap: 6px;
}

.shell {
  display: grid;
  grid-template-columns: 336px minmax(0, 1fr);
  height: 100vh;
  max-height: 100vh;
}

.sidebar {
  display: flex;
  min-height: 0;
  flex-direction: column;
  gap: 12px;
  padding: 16px 12px;
  border-right: 1px solid var(--cp-border);
  background: var(--cp-bg-elevated);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 4px;
}

.brand-logo {
  width: 54px;
  height: 54px;
  flex: none;
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  background: #fff;
}

.branding-settings {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  background: var(--cp-bg-elevated);
}

.branding-preview {
  display: flex;
  align-items: center;
  gap: 14px;
}

.branding-preview img {
  width: 72px;
  height: 72px;
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  object-fit: cover;
  background: #fff;
}

.branding-preview div {
  display: grid;
  gap: 4px;
}

.branding-preview small {
  color: var(--cp-text-muted);
}

.brand-mark,
.message-avatar,
.session-avatar {
  display: grid;
  flex: none;
  place-items: center;
  color: var(--cp-accent-fg);
  background: var(--cp-accent);
  font-weight: 700;
}

.brand-mark {
  background: var(--cp-accent);
  color: var(--cp-text);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 20px;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.empty-card h3,
.empty-card p,
.skill-settings h4,
.skill-settings p {
  margin: 0;
}

.brand h1 {
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px;
}

.brand p,
.topbar p,
.empty-card p,
.settings-header p,
.meta-row span,
.session-meta,
.status-pill span {
  color: var(--cp-text-muted);
}

.brand p {
  margin-top: 2px;
  font-size: 12px;
}

.primary-button,
.ghost-button,
.danger-button,
.icon-button {
  border: 1px solid transparent;
  border-radius: 0.625rem;
  font-weight: 600;
}

.primary-button,
.ghost-button,
.danger-button {
  min-height: 40px;
  padding: 9px 16px;
}

.primary-button {
  color: var(--cp-accent-fg);
  background: var(--cp-accent);
}

.primary-button:hover {
  background: var(--cp-accent-hover);
}

.ghost-button {
  border-color: var(--cp-border);
  color: var(--cp-text);
  background: var(--cp-surface);
}

.ghost-button:hover,
.session-row:hover {
  background: var(--cp-surface-soft);
}

.danger-button {
  color: var(--cp-danger);
  background: var(--cp-surface);
  border-color: var(--cp-border);
}

.icon-button {
  width: 36px;
  height: 36px;
  color: var(--cp-text-muted);
  background: var(--cp-surface-soft);
}

.full-width {
  width: 100%;
}

.panel-meta {
  padding: 10px 12px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface-soft);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
  font-size: 12px;
}

.meta-row strong {
  overflow: hidden;
  max-width: 156px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sessions-header {
  padding: 0 4px;
  color: var(--cp-text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.sessions-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  margin: 0 -4px;
  padding: 0 4px;
}

.session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  margin-bottom: 2px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: transparent;
  text-align: left;
}

.session-row.active {
  border-color: var(--cp-accent);
  background: var(--cp-accent);
}

.session-row.active .session-title,
.session-row.active .session-meta,
.session-row.active .session-delete {
  color: var(--cp-accent-fg);
}

.session-main {
  flex: 1;
  min-width: 0;
}

.session-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 11px;
  letter-spacing: 0.03em;
}

.session-row.active .session-avatar {
  color: var(--cp-accent);
  background: var(--cp-accent-fg);
}

.session-title {
  overflow: hidden;
  font-size: 14px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-meta {
  margin-top: 3px;
  font-size: 11px;
}

.session-delete {
  flex: none;
  border: 0;
  color: var(--cp-text-muted);
  background: transparent;
  font-size: 12px;
}

.session-delete:hover {
  color: var(--cp-danger);
}

.workspace {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  background: var(--cp-bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--cp-border);
  background: var(--cp-surface);
}

.topbar h2 {
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  font-weight: 600;
}

.topbar p {
  margin-top: 3px;
  font-size: 12px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.github-user {
  max-width: 160px;
  overflow: hidden;
  color: var(--cp-text-muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#github-logout {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.language-select {
  width: auto;
  min-width: 92px;
}

.empty-state,
.chat-view {
  flex: 1;
  min-height: 0;
}

.empty-state {
  display: grid;
  place-items: center;
  padding: 24px;
}

.empty-card {
  width: min(580px, 100%);
  padding: 32px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: none;
  text-align: center;
}

.empty-card h3 {
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 20px;
}

.empty-card p {
  margin: 12px 0 24px;
  line-height: 1.65;
}

.chat-view {
  display: flex;
  flex-direction: column;
}

.messages {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding: 24px max(20px, calc((100% - 860px) / 2));
}

.message {
  display: grid;
  grid-template-columns: 36px minmax(0, 700px);
  align-items: start;
  gap: 10px;
  max-width: min(790px, 88%);
}

.message.user {
  grid-template-columns: minmax(0, 700px) 36px;
  align-self: flex-end;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 10px;
}

.message.assistant .message-avatar {
  color: var(--cp-text);
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
}

.message.user .message-avatar {
  grid-column: 2;
}

.message.user .message-content {
  grid-column: 1;
  grid-row: 1;
  align-items: flex-end;
}

.message-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
}

.message-role {
  margin: 0 8px 3px;
  color: var(--cp-accent);
  font-size: 11px;
}

.message-time {
  margin: 0 8px 4px;
  color: var(--cp-text-muted);
  font-size: 10px;
}

.message-body {
  max-width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--cp-border);
  border-radius: 16px 16px 16px 4px;
  background: var(--cp-surface);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.message.user .message-body {
  border-color: var(--cp-highlight);
  border-radius: 16px 16px 4px 16px;
  color: var(--cp-text);
  background: var(--cp-highlight);
}

.message.pending .message-body {
  color: var(--cp-text-muted);
}

.message-progress {
  width: min(680px, 100%);
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--cp-border);
  border-radius: 10px;
  background: var(--cp-surface-soft);
}

.message-progress-heading {
  color: var(--cp-text);
  font-size: 12px;
}

.message-progress-details summary {
  cursor: pointer;
  list-style-position: inside;
  user-select: none;
}

.message-progress-details:not([open]) summary {
  color: var(--cp-text-muted);
}

.message-progress ol {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.message-progress-step {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 8px;
}

.message-progress-marker {
  width: 8px;
  height: 8px;
  margin-top: 5px;
  border: 2px solid var(--cp-accent);
  border-radius: 50%;
}

.message-progress-step.active .message-progress-marker {
  background: var(--cp-accent);
  animation: progress-pulse 1.2s ease-in-out infinite;
}

.message-progress-step.completed .message-progress-marker {
  border-color: var(--cp-success);
  background: var(--cp-success);
}

.message-progress-step.failed .message-progress-marker {
  border-color: var(--cp-danger);
  background: var(--cp-danger);
}

.message-progress-step div {
  display: grid;
  gap: 2px;
}

.message-progress-step strong {
  color: var(--cp-text);
  font-size: 12px;
}

.message-progress-step span:last-child {
  color: var(--cp-text-muted);
  font-size: 11px;
}

@keyframes progress-pulse {
  50% {
    box-shadow: 0 0 0 4px var(--cp-accent-soft);
  }
}

.typing-indicator {
  display: inline-flex;
  min-width: 44px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: typing-pulse 1.2s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.16s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes typing-pulse {
  0%,
  60%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }

  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .typing-indicator span,
  .message-progress-step.active .message-progress-marker {
    animation: none;
  }
}

.message-interaction {
  width: min(680px, 100%);
  margin-top: 8px;
  padding: 16px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: 0 0 2px var(--cp-border), 0 1px 2px var(--cp-border);
}

.message-interaction h4 {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
}

.interaction-hint {
  margin: 4px 0 12px;
  color: var(--cp-text-muted);
  font-size: 12px;
}

.interaction-form,
.interaction-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.interaction-option {
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface-soft);
  cursor: pointer;
}

.interaction-option:hover,
.interaction-option:has(input:checked) {
  border-color: var(--cp-accent);
  background: var(--cp-accent-soft);
}

.interaction-option input {
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--cp-accent);
}

.interaction-option span {
  color: var(--cp-text);
  font-size: 13px;
  line-height: 1.5;
}

.interaction-form .primary-button {
  align-self: flex-end;
  margin-top: 4px;
}

.interaction-error {
  margin: 0;
  color: var(--cp-danger);
  font-size: 12px;
}

.interaction-answer {
  padding: 11px 12px;
  border: 1px solid var(--cp-accent);
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: var(--cp-accent-soft);
  font-size: 13px;
  line-height: 1.5;
}

.activity-card {
  align-self: center;
  width: min(600px, 90%);
  padding: 12px 16px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text-muted);
  background: var(--cp-surface);
  text-align: center;
}

.activity-title {
  color: var(--cp-text);
  font-weight: 600;
}

.activity-detail {
  margin-top: 4px;
  font-size: 12px;
  white-space: pre-wrap;
}

.composer {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding: 12px max(20px, calc((100% - 860px) / 2)) 16px;
  border-top: 1px solid var(--cp-border);
  background: var(--cp-surface);
}

.composer textarea {
  flex: 1;
  min-height: 44px;
  max-height: 180px;
  resize: none;
}

.composer-input-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
}

.composer-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 6px;
}

.attach-button {
  padding: 5px 8px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: var(--cp-surface-soft);
  font: inherit;
  font-size: 12px;
}

.attachment-hint {
  color: var(--cp-text-muted);
  font-size: 11px;
}

.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px 8px;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  max-width: 220px;
  padding: 5px 8px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: var(--cp-accent-soft);
  font-size: 12px;
}

.attachment-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-chip button {
  padding: 0;
  border: 0;
  color: var(--cp-text-muted);
  background: transparent;
}

.skill-suggestions {
  position: absolute;
  z-index: 10;
  right: 0;
  bottom: calc(100% + 8px);
  left: 0;
  max-height: 280px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: var(--cp-shadow);
}

.skill-suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 9px 11px;
  border: 0;
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: transparent;
  text-align: left;
}

.skill-suggestion:hover,
.skill-suggestion.active {
  background: var(--cp-accent-soft);
}

.skill-suggestion strong {
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 13px;
}

.skill-suggestion span {
  color: var(--cp-text-muted);
  font-size: 11px;
}

input,
textarea,
select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  outline: none;
  color: var(--cp-text);
  background: var(--cp-surface);
}

.composer textarea {
  border-radius: 16px;
}

.composer .primary-button {
  min-width: 72px;
  border-radius: 16px;
}

.composer .primary-button.stop-mode {
  width: 82px;
  min-width: 82px;
  min-height: 52px;
  padding: 0 16px;
  border-radius: 0.625rem;
  color: var(--cp-accent-fg);
  background: var(--cp-danger);
  font-size: 14px;
  line-height: 1;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--cp-accent);
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label span,
label small {
  color: var(--cp-text-muted);
  font-size: 12px;
}

.message-artifacts {
  display: grid;
  width: min(680px, 100%);
  gap: 12px;
  margin-top: 10px;
}

.message.user .message-artifacts {
  justify-items: end;
}

.artifact-card {
  overflow: hidden;
  width: 100%;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
}

.artifact-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--cp-border);
}

.artifact-header div {
  min-width: 0;
}

.artifact-actions {
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
}

.artifact-header strong,
.artifact-header span {
  display: block;
}

.artifact-header strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifact-header span {
  margin-top: 2px;
  color: var(--cp-text-muted);
  font-size: 11px;
}

.artifact-preview-action,
.artifact-download {
  display: inline-flex;
  flex: none;
  min-height: 32px;
  align-items: center;
  padding: 0 11px;
  border: 1px solid var(--cp-accent);
  border-radius: 8px;
  color: var(--cp-accent);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}

.artifact-preview-action {
  color: white;
  background: var(--cp-accent);
}

.artifact-preview-action:hover,
.artifact-download:hover {
  border-color: var(--cp-accent-hover);
}

.artifact-preview {
  display: block;
  width: 100%;
  min-height: 300px;
  border: 0;
  background: var(--cp-surface);
  object-fit: contain;
}

img.artifact-preview {
  max-height: 520px;
  background: var(--cp-surface-soft);
}

.artifact-preview-modal {
  width: min(1080px, calc(100vw - 32px));
  height: min(820px, calc(100vh - 32px));
  padding: 0;
  border: 0;
  color: var(--cp-text);
  background: transparent;
}

.artifact-preview-modal::backdrop {
  background: var(--cp-overlay);
}

.artifact-preview-card {
  display: grid;
  height: 100%;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: var(--cp-shadow);
}

.artifact-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--cp-border);
}

.artifact-preview-header h3,
.artifact-preview-header p {
  margin: 0;
}

.artifact-preview-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--cp-surface);
}

.settings-modal {
  width: min(860px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 0;
  border-radius: 16px;
  color: var(--cp-text);
  background: transparent;
}

.settings-modal::backdrop {
  background: var(--cp-overlay);
}

.settings-card {
  display: flex;
  height: min(760px, calc(100vh - 32px));
  max-height: calc(100vh - 32px);
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
  box-shadow: var(--cp-shadow);
}

.settings-header,
.settings-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.settings-header {
  flex: 0 0 auto;
}

.settings-header h3 {
  margin: 0;
  font-size: 18px;
}

.settings-header p {
  margin-top: 5px;
  font-size: 12px;
}

.settings-tabs {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  min-height: 46px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--cp-border);
  background: var(--cp-surface);
}

.settings-tab {
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--cp-text-muted);
  background: transparent;
  font-weight: 600;
}

.settings-tab:hover {
  color: var(--cp-text);
  background: var(--cp-surface-soft);
}

.settings-tab.active {
  border-bottom-color: var(--cp-accent);
  color: var(--cp-accent);
  background: transparent;
}

.settings-panels {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.settings-panel {
  display: none;
}

.settings-panel.active {
  display: grid;
  gap: 14px;
}

.network-settings {
  display: grid;
  gap: 12px;
}

.network-settings > p,
.network-note p {
  margin: 0;
  color: var(--cp-text-muted);
  line-height: 1.6;
}

.network-note {
  padding: 14px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface-soft);
}

.network-note strong {
  display: block;
  margin-bottom: 6px;
}

.skill-settings {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface-soft);
}

.skill-upload-row {
  display: grid;
  grid-template-columns: minmax(130px, 0.7fr) minmax(220px, 1.3fr) auto;
  gap: 8px;
  align-items: center;
}

.skill-list {
  display: grid;
  gap: 12px;
}

.resource-document-editor {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-bg-elevated);
}

.resource-document-editor label {
  display: grid;
  gap: 6px;
}

.resource-document-editor textarea {
  width: 100%;
  resize: vertical;
  font-family: Consolas, "Courier New", Courier, monospace;
}

.resource-document-editor small {
  overflow-wrap: anywhere;
  color: var(--cp-text-muted);
}

.skill-chip {
  padding: 6px 9px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text);
  background: var(--cp-surface);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 12px;
}

.resource-group,
.resource-items {
  display: grid;
  gap: 7px;
}

.resource-group > strong {
  color: var(--cp-text-muted);
  font-size: 12px;
}

.resource-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.resource-delete {
  padding: 5px 8px;
  border: 0;
  color: var(--cp-danger);
  background: transparent;
  font-size: 12px;
}

.agent-editor {
  display: grid;
  gap: 9px;
}

.agent-list-header,
.agent-editor-header,
.agent-row-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.agent-management-list {
  min-width: 0;
  overflow-x: auto;
}

.agent-management-table {
  display: grid;
  min-width: 680px;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  background: var(--cp-border);
}

.agent-management-row {
  display: grid;
  grid-template-columns:
    minmax(80px, 0.65fr)
    minmax(130px, 1fr)
    minmax(180px, 1.8fr)
    minmax(105px, 0.8fr)
    minmax(120px, auto);
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--cp-surface);
  font-size: 12px;
}

.agent-management-cell {
  min-width: 0;
}

.agent-management-heading {
  color: var(--cp-text-muted);
  font-size: 12px;
}

.agent-name-button {
  padding: 0;
  border: 0;
  color: var(--cp-accent);
  background: transparent;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}

.agent-name-english {
  color: var(--cp-text);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
}

.agent-function {
  color: var(--cp-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.agent-row-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.agent-grant-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.agent-row-actions .ghost-button,
.agent-grant-actions .ghost-button {
  min-height: 30px;
  padding: 5px 10px;
  font-size: 12px;
}

@media (max-width: 640px) {
  .agent-list-header {
    align-items: flex-start;
  }

  .agent-management-list {
    overflow: visible;
  }

  .agent-management-table {
    min-width: 0;
    gap: 10px;
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .agent-management-heading {
    display: none;
  }

  .agent-management-row:not(.agent-management-heading) {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    border: 1px solid var(--cp-border);
    border-radius: 12px;
  }

  .agent-management-cell {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
    gap: 8px;
  }

  .agent-management-cell::before {
    content: attr(data-label);
    color: var(--cp-text-muted);
    font-weight: 600;
  }

  .agent-name-button,
  .agent-function {
    overflow-wrap: anywhere;
  }

  .agent-row-actions {
    justify-content: flex-start;
  }
}

.agent-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
}

.agent-tools legend {
  color: var(--cp-text-muted);
  font-size: 12px;
}

.agent-tools label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
}

.agent-tools input {
  width: auto;
}

.agent-skill-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.status-pill {
  padding: 12px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface-soft);
}

.status-pill strong {
  display: block;
  margin-top: 5px;
}

.settings-error {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--cp-danger);
  border-radius: 0.625rem;
  color: var(--cp-danger);
  background: var(--cp-surface-soft);
  white-space: pre-wrap;
}

/* Formal institutional portal composition */
.shell {
  grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar {
  background: var(--cp-bg-elevated);
}

.session-row.active {
  border-color: var(--cp-border);
  background: var(--cp-accent-soft);
}

.session-row.active .session-title {
  color: var(--cp-text);
}

.session-row.active .session-meta,
.session-row.active .session-delete {
  color: var(--cp-text-muted);
}

.session-row.active .session-avatar {
  color: var(--cp-text);
  background: var(--cp-accent);
}

.workspace,
.topbar,
.composer {
  background: var(--cp-bg);
}

.topbar {
  min-height: 68px;
  box-shadow: inset 4px 0 0 var(--cp-accent);
}

.messages {
  gap: 28px;
  padding-right: max(24px, calc((100% - 800px) / 2));
  padding-left: max(24px, calc((100% - 800px) / 2));
}

.message,
.message.user {
  display: block;
  width: 100%;
  max-width: 800px;
}

.message-avatar,
.message-role {
  display: none;
}

.message-content,
.message.user .message-content {
  display: flex;
  align-items: stretch;
}

.message.user .message-content {
  align-items: flex-end;
}

.message-body {
  padding: 0 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 16px;
  line-height: 1.7;
}

.message.user .message-body {
  max-width: min(680px, 84%);
  padding: 12px 16px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  color: var(--cp-text);
  background: var(--cp-surface);
}

.message.pending .message-body {
  color: var(--cp-text-muted);
}

.composer {
  gap: 10px;
  padding-right: max(24px, calc((100% - 800px) / 2));
  padding-bottom: 20px;
  padding-left: max(24px, calc((100% - 800px) / 2));
  border-top: 0;
}

.composer-input-wrap {
  padding: 4px;
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
}

.composer textarea {
  border: 0;
  background: transparent;
}

.composer textarea:focus {
  border-color: transparent;
}

.composer .primary-button {
  align-self: center;
  min-width: 82px;
}

.settings-header h3,
.skill-settings h4 {
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
}

.artifact-card,
.settings-card,
.empty-card {
  background: var(--cp-surface);
  box-shadow: none;
}

@media (max-width: 860px) {
  body {
    overflow: auto;
  }

  .shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    max-height: 360px;
    border-right: 0;
    border-bottom: 1px solid var(--cp-border);
  }

  .workspace {
    min-height: 720px;
  }

  .messages {
    padding: 22px 16px;
  }

  .composer {
    padding: 12px 16px 16px;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions button {
    flex: 1;
  }

  .message,
  .message.user {
    max-width: 100%;
  }

  .skill-upload-row,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .settings-actions {
    flex-direction: column-reverse;
  }

  .settings-actions button {
    width: 100%;
  }
}

/* Responsive collapsible application shell */
.shell {
  grid-template-columns: 316px minmax(0, 1fr);
  height: 100dvh;
  transition: grid-template-columns 180ms ease;
}

.sidebar {
  display: flex;
  min-width: 0;
  max-height: none;
  overflow: hidden;
}

.brand {
  min-width: 0;
}

.brand-copy {
  min-width: 0;
  flex: 1;
}

.brand-copy h1,
.brand-copy p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-toggle {
  flex: 0 0 auto;
  margin-left: auto;
}

.sidebar-footer {
  display: grid;
  flex: 0 0 auto;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--cp-border);
}

.sidebar-model {
  display: grid;
  gap: 3px;
}

.sidebar-model span,
.sidebar-footer p {
  margin: 0;
  color: var(--cp-text-muted);
  font-size: 11px;
}

.sidebar-model strong {
  overflow: hidden;
  color: var(--cp-text);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-footer p {
  letter-spacing: 0.04em;
}

.mobile-sidebar-toggle,
.sidebar-backdrop {
  display: none;
}

.shell.sidebar-collapsed {
  grid-template-columns: 76px minmax(0, 1fr);
}

.shell.sidebar-collapsed .sidebar {
  align-items: center;
  padding-inline: 10px;
}

.shell.sidebar-collapsed .brand {
  flex-direction: column;
  gap: 8px;
}

.shell.sidebar-collapsed .brand-copy,
.shell.sidebar-collapsed .sessions-header,
.shell.sidebar-collapsed .session-main,
.shell.sidebar-collapsed .session-delete,
.shell.sidebar-collapsed .sidebar-footer,
.shell.sidebar-collapsed #create-session span {
  display: none;
}

.shell.sidebar-collapsed .brand-logo {
  width: 42px;
  height: 42px;
}

.shell.sidebar-collapsed .sidebar-toggle {
  margin: 0;
}

.shell.sidebar-collapsed #create-session {
  width: 44px;
  min-width: 44px;
  padding: 0;
}

.shell.sidebar-collapsed #create-session::after {
  content: "+";
  font-size: 20px;
}

.shell.sidebar-collapsed .sessions-list {
  width: 100%;
}

.shell.sidebar-collapsed .session-row {
  grid-template-columns: 1fr;
  justify-items: center;
  padding-inline: 4px;
}

.workspace {
  width: 100%;
  min-width: 0;
  min-height: 0;
}

.topbar-copy {
  min-width: 0;
  flex: 1;
}

@media (max-width: 860px) {
  .shell,
  .shell.sidebar-collapsed {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar,
  .shell.sidebar-collapsed .sidebar {
    position: fixed;
    z-index: 50;
    inset: 0 auto 0 0;
    display: flex;
    width: min(86vw, 320px);
    height: 100dvh;
    align-items: stretch;
    padding: 16px 14px;
    border-right: 1px solid var(--cp-border);
    border-bottom: 0;
    background: var(--cp-bg-elevated);
    box-shadow: var(--cp-shadow);
    transform: translateX(-105%);
    transition: transform 180ms ease;
  }

  .shell.sidebar-open .sidebar {
    transform: translateX(0);
  }

  .shell.sidebar-collapsed .brand {
    flex-direction: row;
  }

  .shell.sidebar-collapsed .brand-copy,
  .shell.sidebar-collapsed .sessions-header,
  .shell.sidebar-collapsed .session-main,
  .shell.sidebar-collapsed .session-delete,
  .shell.sidebar-collapsed .sidebar-footer,
  .shell.sidebar-collapsed #create-session span {
    display: initial;
  }

  .shell.sidebar-collapsed #create-session {
    width: 100%;
    padding: 9px 16px;
  }

  .shell.sidebar-collapsed #create-session::after {
    content: none;
  }

  .shell.sidebar-collapsed .session-row {
    grid-template-columns: auto minmax(0, 1fr) auto;
    justify-items: stretch;
    padding-inline: 10px;
  }

  .sidebar-toggle {
    display: none;
  }

  .mobile-sidebar-toggle {
    display: inline-grid;
    flex: 0 0 auto;
    place-items: center;
  }

  .sidebar-backdrop {
    position: fixed;
    z-index: 40;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    background: var(--cp-overlay);
  }

  .sidebar-backdrop.hidden {
    display: none;
  }

  .topbar {
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
  }

  .topbar-actions {
    width: auto;
  }
}

@media (max-width: 640px) {
  .topbar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px 10px;
  }

  .topbar-actions {
    grid-column: 1 / -1;
    width: 100%;
  }
}

/* Final responsive layout contract */
.topbar > div:first-child {
  min-width: 0;
}

.topbar h2,
.topbar p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-actions {
  flex: 0 0 auto;
}

.topbar-actions .ghost-button,
.topbar-actions .danger-button {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.settings-card,
.settings-panels,
.settings-panel,
.skill-settings,
.agent-editor {
  min-width: 0;
}

.settings-card input,
.settings-card textarea,
.settings-card select {
  max-width: 100%;
}

@media (max-width: 1100px) {
  .github-user {
    display: none !important;
  }

  .topbar {
    gap: 10px;
    padding-inline: 16px;
  }
}

@media (max-width: 860px) {
  body {
    overflow: hidden;
  }

  .shell {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    width: 100%;
    height: 100dvh;
    min-height: 0;
  }

  .sidebar {
    display: grid;
    max-height: none;
    grid-template-columns: minmax(0, 1fr) minmax(120px, 180px);
    grid-template-rows: auto auto;
    gap: 8px 12px;
    padding: 10px 12px;
    overflow: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--cp-border);
  }

  .sidebar::before,
  .panel-meta,
  .sessions-header {
    display: none;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand > div {
    min-width: 0;
  }

  .brand h1,
  .brand p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  #create-session {
    align-self: center;
  }

  .sessions-list {
    display: flex;
    grid-column: 1 / -1;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    margin: 0;
    padding: 0 0 2px;
  }

  .session-row {
    width: min(240px, 72vw);
    min-width: min(240px, 72vw);
    margin: 0;
    padding: 7px 9px;
  }

  .session-avatar,
  .session-row.active .session-avatar {
    width: 34px;
    height: 34px;
  }

  .workspace {
    min-height: 0;
  }

  .topbar {
    min-height: 64px;
    padding: 9px 12px;
  }

  .topbar p {
    max-width: 46vw;
  }

  .messages {
    padding: 16px 12px;
  }

  .composer {
    padding: 10px 12px max(10px, env(safe-area-inset-bottom));
  }

  .settings-modal,
  .artifact-preview-modal {
    width: calc(100vw - 16px);
    max-width: none;
    height: calc(100dvh - 16px);
    max-height: none;
    margin: auto;
  }

  .settings-card {
    height: 100%;
    max-height: none;
    gap: 12px;
    padding: 16px;
    overflow: hidden;
  }

  .settings-header {
    flex: 0 0 auto;
  }

  .settings-tabs {
    flex: 0 0 auto;
    scrollbar-width: thin;
  }

  .settings-panels {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
  }

  .skill-upload-row,
  .sandbox-config-grid,
  .status-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .resource-item {
    align-items: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .sidebar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .brand p,
  .session-meta {
    display: none;
  }

  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .topbar > div:first-child {
    width: 100%;
  }

  .topbar p {
    max-width: 100%;
  }

  .topbar-actions {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .topbar-actions .ghost-button,
  .topbar-actions .danger-button {
    width: 100%;
    min-width: 0;
    min-height: 36px;
    padding: 7px 8px;
  }

  .composer {
    gap: 8px;
  }

  .composer .primary-button {
    min-width: 64px;
    padding-inline: 10px;
  }

  .settings-header p {
    display: none;
  }

  .settings-actions {
    flex-direction: column-reverse;
  }

  .settings-actions button {
    width: 100%;
  }
}

/* ACAC-inspired institutional visual system */
body {
  letter-spacing: 0.01em;
}

.login-screen {
  position: relative;
  overflow: hidden;
  place-items: start center;
  padding-top: clamp(96px, 15vh, 160px);
  background:
    linear-gradient(
      to bottom,
      var(--cp-accent) 0,
      var(--cp-accent) 76px,
      var(--cp-bg) 76px,
      var(--cp-bg) 100%
    );
}

.login-screen::before {
  position: absolute;
  top: 76px;
  right: 0;
  left: 0;
  height: 6px;
  background: var(--cp-accent-soft);
  content: "";
}

.login-card {
  position: relative;
  width: min(520px, 100%);
  padding: 48px 52px 44px;
  border-radius: 16px;
  border-top: 5px solid var(--cp-accent);
  box-shadow: 0 0 0 1px var(--cp-border);
}

.login-card::before {
  display: block;
  margin: -24px 0 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
  content: "AZURE CONTAINER APPS · CODEX SANDBOX";
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.login-brand-mark,
.login-brand-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  border: 4px double var(--cp-accent-fg);
  border-radius: 50%;
  font-size: 17px;
  letter-spacing: 0.08em;
}

.login-eyebrow {
  color: var(--cp-accent);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.login-brand-logo {
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: #fff;
}

.login-card h1 {
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.login-description {
  max-width: 390px;
  line-height: 1.85;
}

.github-login-button {
  border-radius: 0.625rem;
  letter-spacing: 0.08em;
}

.shell {
  grid-template-columns: 316px minmax(0, 1fr);
}

.sidebar {
  position: relative;
  gap: 16px;
  padding: 0 18px 18px;
  border-right-color: var(--cp-border-strong);
  background: var(--cp-surface);
}

.sidebar::before {
  height: 8px;
  margin: 0 -18px;
  background: var(--cp-accent);
  content: "";
}

.brand {
  min-height: 78px;
  padding: 10px 2px 14px;
  border-bottom: 1px solid var(--cp-border);
}

.brand-mark {
  width: 54px;
  height: 54px;
  border: 3px double var(--cp-accent-fg);
  border-radius: 50%;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.brand h1 {
  max-width: 190px;
  color: var(--cp-text);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand p {
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sidebar > .primary-button {
  min-height: 46px;
  border-radius: 0.625rem;
  letter-spacing: 0.08em;
}

.panel-meta {
  padding: 12px 14px;
  border-left: 4px solid var(--cp-accent);
  border-radius: 0.625rem;
  background: var(--cp-bg-elevated);
}

.meta-row {
  padding: 6px 0;
  border-bottom: 1px dashed var(--cp-border);
}

.meta-row:last-child {
  border-bottom: 0;
}

.sessions-header {
  padding: 0 2px 10px;
  border-bottom: 2px solid var(--cp-accent);
  color: var(--cp-text);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.session-row {
  margin-bottom: 5px;
  padding: 11px 10px;
  border-bottom: 1px solid var(--cp-border);
  border-radius: 0.625rem;
}

.session-row.active {
  border-color: var(--cp-border);
  border-left: 4px solid var(--cp-accent);
  background: var(--cp-accent-soft);
}

.session-avatar,
.session-row.active .session-avatar {
  width: 40px;
  height: 40px;
  border: 1px solid var(--cp-accent);
  color: var(--cp-accent);
  background: var(--cp-surface);
}

.workspace {
  background: var(--cp-bg);
}

.topbar {
  min-height: 82px;
  padding: 14px 28px;
  border-bottom: 6px solid var(--cp-accent-soft);
  color: var(--cp-accent-fg);
  background: var(--cp-accent);
  box-shadow: none;
}

.topbar h2 {
  color: var(--cp-accent-fg);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.topbar p,
.topbar .github-user {
  color: var(--cp-accent-fg);
  opacity: 0.84;
}

.topbar .ghost-button,
.topbar .danger-button {
  border-color: var(--cp-accent-fg);
  color: var(--cp-text);
  background: var(--cp-surface);
}

.empty-state {
  padding: 48px;
}

.empty-card {
  position: relative;
  width: min(760px, 100%);
  padding: 44px 48px;
  overflow: hidden;
  border-top: 5px solid var(--cp-accent);
  border-radius: 16px;
  box-shadow: 0 0 0 1px var(--cp-border);
  text-align: left;
}

.empty-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  border-bottom: 1px solid var(--cp-border);
  border-left: 1px solid var(--cp-border);
  background: var(--cp-accent-soft);
  content: "";
  transform: translate(46px, -46px) rotate(45deg);
}

.empty-card h3 {
  max-width: 560px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--cp-accent);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.empty-card p {
  max-width: 620px;
  margin: 18px 0 28px;
  font-size: 15px;
  line-height: 1.85;
}

.messages {
  gap: 24px;
  padding-top: 34px;
  padding-right: max(28px, calc((100% - 920px) / 2));
  padding-left: max(28px, calc((100% - 920px) / 2));
}

.message,
.message.user {
  max-width: 920px;
}

.message.assistant .message-content {
  padding: 20px 22px;
  border: 1px solid var(--cp-border);
  border-top: 3px solid var(--cp-accent);
  border-radius: 16px;
  background: var(--cp-surface);
}

.message.user .message-body {
  border-right: 4px solid var(--cp-accent);
  border-radius: 0.625rem;
  background: var(--cp-accent-soft);
}

.message-body {
  font-size: 15px;
  line-height: 1.8;
}

.message-time {
  margin-bottom: 8px;
}

.activity-card,
.message-interaction,
.artifact-card {
  border-radius: 0.625rem;
  border-top: 3px solid var(--cp-accent);
}

.composer {
  padding-right: max(28px, calc((100% - 920px) / 2));
  padding-bottom: 22px;
  padding-left: max(28px, calc((100% - 920px) / 2));
  border-top: 1px solid var(--cp-border);
  background: var(--cp-bg-elevated);
}

.composer-input-wrap {
  border-radius: 0.625rem;
  box-shadow: 0 0 0 1px var(--cp-border);
}

.composer textarea {
  min-height: 52px;
  border-radius: 0.625rem;
}

.composer .primary-button {
  min-height: 52px;
  border-radius: 0.625rem;
  letter-spacing: 0.08em;
}

.settings-card,
.grant-card {
  border-top: 6px solid var(--cp-accent);
  border-radius: 16px;
  box-shadow: 0 0 0 1px var(--cp-border);
}

.settings-header {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--cp-border);
}

.settings-header h3 {
  color: var(--cp-text);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.settings-tabs {
  gap: 0;
  border-bottom: 2px solid var(--cp-accent);
}

.settings-tab {
  min-height: 42px;
  padding: 10px 16px;
  border-right: 1px solid var(--cp-border);
}

.settings-tab.active {
  border-bottom-color: var(--cp-accent);
  color: var(--cp-accent-fg);
  background: var(--cp-accent);
}

.settings-panel.active {
  gap: 18px;
}

.skill-settings,
.network-note,
.resource-document-editor {
  border-radius: 0.625rem;
  border-top: 3px solid var(--cp-accent);
  background: var(--cp-bg-elevated);
}

.skill-settings h4 {
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cp-accent);
  font-size: 18px;
  letter-spacing: 0.06em;
}

.status-pill {
  border-radius: 0.625rem;
  border-top: 3px solid var(--cp-accent);
}

input,
textarea,
select,
.primary-button,
.ghost-button,
.danger-button,
.icon-button,
.skill-chip {
  border-radius: 0.625rem;
}

input:focus,
textarea:focus,
select:focus {
  box-shadow: 0 0 0 2px var(--cp-accent-soft);
}

* {
  scrollbar-color: var(--cp-border-strong) var(--cp-surface-soft);
}

/* Logo-derived cream-and-navy line-art system */
.login-screen {
  isolation: isolate;
  place-items: center;
  padding-top: 24px;
  background: var(--cp-bg);
}

.login-screen::before {
  top: 10%;
  right: auto;
  bottom: 10%;
  left: 8%;
  width: 2px;
  height: auto;
  background: var(--cp-accent);
}

.login-screen::after {
  position: absolute;
  right: 7%;
  bottom: 8%;
  z-index: -1;
  width: 220px;
  height: 220px;
  border: 2px solid var(--cp-border);
  border-radius: 50%;
  box-shadow:
    -64px -72px 0 -52px var(--cp-bg),
    -64px -72px 0 -50px var(--cp-accent);
  content: "";
}

.login-card {
  border: 2px solid var(--cp-accent);
  border-top-width: 2px;
  background: var(--cp-surface);
  box-shadow: 8px 8px 0 var(--cp-accent-soft);
}

.login-card::before {
  color: var(--cp-accent);
}

.login-brand-logo,
.brand-logo,
.branding-preview img {
  border: 2px solid var(--cp-accent);
  border-radius: 0.625rem;
  background: var(--cp-bg);
}

.login-eyebrow {
  color: var(--cp-accent);
  letter-spacing: 0.12em;
}

.github-login-button,
.primary-button {
  border: 2px solid var(--cp-accent);
  background: var(--cp-accent);
  box-shadow: 3px 3px 0 var(--cp-accent-soft);
}

.github-login-button:hover,
.primary-button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--cp-accent-soft);
}

.sidebar {
  border-right: 2px solid var(--cp-accent);
  background: var(--cp-bg);
}

.sidebar::before {
  height: 2px;
  background: var(--cp-accent);
}

.brand {
  border-bottom: 2px solid var(--cp-accent);
}

.panel-meta,
.branding-settings,
.skill-settings,
.network-note,
.resource-document-editor,
.status-pill {
  border: 1px solid var(--cp-border-strong);
  border-top-width: 1px;
  background: transparent;
  box-shadow: 3px 3px 0 var(--cp-accent-soft);
}

.sessions-header {
  border-bottom: 1px solid var(--cp-accent);
}

.session-row {
  border: 1px solid transparent;
  border-bottom-color: var(--cp-border);
}

.session-row:hover,
.session-row.active {
  border-color: var(--cp-accent);
  border-left-width: 1px;
  background: var(--cp-accent-soft);
}

.message-avatar,
.session-avatar,
.session-row.active .session-avatar {
  border: 2px solid var(--cp-accent);
  color: var(--cp-accent);
  background: var(--cp-bg);
}

.workspace,
.messages,
.composer {
  background: var(--cp-bg);
}

.topbar {
  border-bottom: 2px solid var(--cp-accent);
  color: var(--cp-text);
  background: var(--cp-surface);
}

.topbar h2,
.topbar p,
.topbar .github-user {
  color: var(--cp-text);
}

.topbar .ghost-button,
.topbar .danger-button,
.ghost-button,
.danger-button,
.icon-button {
  border: 1px solid var(--cp-accent);
  color: var(--cp-accent);
  background: transparent;
}

.empty-card,
.message.assistant .message-content,
.message.user .message-body,
.activity-card,
.message-interaction,
.artifact-card {
  border: 1px solid var(--cp-accent);
  border-top-width: 1px;
  background: var(--cp-surface);
  box-shadow: 4px 4px 0 var(--cp-accent-soft);
}

.empty-card::after {
  width: 112px;
  height: 112px;
  border: 2px solid var(--cp-accent);
  border-radius: 50%;
  background: transparent;
  transform: translate(42px, -42px);
}

.empty-card h3,
.skill-settings h4 {
  border-bottom: 1px solid var(--cp-accent);
}

.message.user .message-body {
  border-right-width: 1px;
  background: var(--cp-accent-soft);
}

.composer-input-wrap {
  border: 1px solid var(--cp-accent);
  box-shadow: 3px 3px 0 var(--cp-accent-soft);
}

.settings-card,
.grant-card {
  border: 2px solid var(--cp-accent);
  border-top-width: 2px;
  box-shadow: 6px 6px 0 var(--cp-accent-soft);
}

.settings-tabs {
  border-bottom: 1px solid var(--cp-accent);
}

.settings-tab.active {
  color: var(--cp-accent);
  background: transparent;
  box-shadow: inset 0 -3px 0 var(--cp-accent);
}

input,
textarea,
select {
  border-color: var(--cp-border-strong);
  background: var(--cp-surface);
}

@media (max-width: 860px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: 390px;
    border-right: 0;
  }

  .topbar {
    min-height: 74px;
    padding: 12px 18px;
  }

  .empty-state {
    padding: 24px;
  }

  .empty-card {
    padding: 32px;
  }
}

@media (max-width: 640px) {
  .login-screen {
    padding: 92px 16px 24px;
  }

  .login-card {
    padding: 38px 24px 30px;
  }

  .login-card::before {
    font-size: 9px;
    letter-spacing: 0.1em;
  }

  .topbar-actions {
    flex-wrap: wrap;
  }

  .empty-card {
    padding: 28px 24px;
  }

  .message.assistant .message-content {
    padding: 16px;
  }

  .artifact-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .artifact-actions {
    width: 100%;
  }

  .artifact-preview-action,
  .artifact-download {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 860px) {
  .sidebar,
  .shell.sidebar-collapsed .sidebar {
    position: fixed;
    z-index: 50;
    inset: 0 auto 0 0;
    display: flex;
    width: min(86vw, 320px);
    height: 100dvh;
    max-height: none;
    align-items: stretch;
    padding: 16px 14px;
    border-right: 1px solid var(--cp-border);
    border-bottom: 0;
    transform: translateX(-105%);
  }

  .shell.sidebar-open .sidebar {
    transform: translateX(0);
  }

  .topbar {
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
  }

  .topbar-actions {
    width: auto;
  }
}

@media (max-width: 640px) {
  .topbar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .topbar-actions {
    grid-column: 1 / -1;
    width: 100%;
  }
}