:root {
  color-scheme: dark;
  --bg: #071018;
  --bg-elevated: rgba(12, 18, 24, 0.94);
  --panel: rgba(14, 22, 30, 0.92);
  --panel-2: rgba(19, 31, 42, 0.95);
  --border: rgba(135, 174, 204, 0.18);
  --border-strong: rgba(135, 174, 204, 0.3);
  --text: #edf5ff;
  --muted: #9db0c4;
  --dim: #74879a;
  --accent: #7fd4ff;
  --accent-2: #4ea9da;
  --success: #7ce0aa;
  --warning: #ffd27f;
  --danger: #ff8d8d;
  --md-code: var(--accent);
  --md-code-block: var(--text);
  --md-code-block-border: var(--border-strong);
  --assistant-bg: rgba(14, 29, 42, 0.9);
  --user-bg: rgba(31, 48, 63, 0.95);
  --tool-bg: rgba(19, 31, 42, 0.85);
  --system-bg: rgba(14, 20, 28, 0.86);
  --radius: 18px;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
  --composer-reserve: 11.5rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(53, 96, 133, 0.22) 0%, rgba(7, 16, 24, 0.98) 44%),
    linear-gradient(180deg, #09121a 0%, #070d13 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

html {
  scroll-padding-bottom: calc(var(--composer-reserve) + env(safe-area-inset-bottom) + 1rem);
}

button,
input,
textarea {
  font: inherit;
}

button {
  appearance: none;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  color: #071018;
  font-weight: 700;
  padding: 0.8rem 1rem;
}

button.secondary {
  background: rgba(20, 32, 42, 0.96);
  color: var(--text);
}

button.danger {
  background: rgba(255, 141, 141, 0.13);
  color: var(--danger);
  border-color: rgba(255, 141, 141, 0.3);
}

button:disabled {
  opacity: 0.45;
}

input,
textarea {
  width: 100%;
  background: rgba(7, 12, 16, 0.95);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.95rem 1rem;
}

textarea {
  resize: none;
}

pre,
code,
.mono {
  font-family: "SFMono-Regular", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.42;
}

.hidden {
  display: none !important;
}

.app-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 4.7rem 0.95rem calc(var(--composer-reserve) + env(safe-area-inset-bottom) + 1rem);
}

.sidebar-toggle-button {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 0.9rem);
  left: 0.9rem;
  z-index: 18;
  border-radius: 999px;
  padding: 0.72rem 0.95rem;
  background: rgba(20, 32, 42, 0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.topbar h1,
.modal-card h2,
.sheet-card h2 {
  margin: 0.16rem 0 0;
}

.subtitle,
.label,
.modal-copy,
.eyebrow {
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.subtitle,
.modal-copy {
  margin: 0.45rem 0 0;
  line-height: 1.4;
}

.status-pill,
.command-chip,
.inline-pill,
.stat-chip {
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(16, 31, 42, 0.88);
  color: var(--accent);
  padding: 0.45rem 0.78rem;
  font-size: 0.88rem;
}

.status-pill.offline {
  color: var(--danger);
  border-color: rgba(255, 141, 141, 0.32);
  background: rgba(255, 141, 141, 0.12);
}

.status-card,
.banner,
.widget-card,
.message,
.modal-card,
.command-chip,
.sheet-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.status-card,
.banner,
.widget-card,
.sheet-section {
  padding: 1rem;
}

.status-card,
.banner,
.widget-stack {
  margin-bottom: 1rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
}

.value {
  margin-top: 0.22rem;
  word-break: break-word;
}

.button-row {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.button-row.compact {
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.2rem;
}

.button-row.compact > * {
  flex: 0 0 auto;
  white-space: nowrap;
}

.banner {
  color: var(--warning);
}

.banner.error {
  color: var(--danger);
  border-color: rgba(255, 141, 141, 0.32);
  background: rgba(70, 18, 18, 0.4);
}

.widget-stack {
  display: grid;
  gap: 0.8rem;
}

.widget-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.94rem;
}

.widget-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.command-strip {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.command-chip {
  min-width: max-content;
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
}

.command-chip .source {
  color: var(--dim);
  margin-left: 0.4rem;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 42vh;
  padding-bottom: 0.85rem;
}

.message {
  padding: 0.95rem 1rem;
}

.message.user {
  background: var(--user-bg);
  margin-left: 1.8rem;
}

.message.assistant {
  background: var(--assistant-bg);
  margin-right: 0.6rem;
}

.message.tool {
  background: var(--tool-bg);
}

.message.system,
.message.custom,
.message.summary {
  background: var(--system-bg);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.65rem;
}

.role-badge {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--accent);
}

.message.user .role-badge {
  color: #d3efff;
}

.meta {
  color: var(--dim);
  font-size: 0.78rem;
}

.message-body {
  line-height: 1.46;
}

.message-body p {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-body p + p {
  margin-top: 0.75rem;
}

.message-body strong {
  font-weight: 700;
}

.message-body code,
.modal-copy code {
  color: var(--md-code);
  background: rgba(7, 12, 16, 0.96);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.08rem 0.38rem;
  font-size: 0.95em;
}

.message-code-block {
  margin: 0.75rem 0 0;
  padding: 0.85rem 0.95rem;
  background: rgba(7, 12, 16, 0.96);
  color: var(--md-code-block);
  border: 1px solid var(--md-code-block-border);
  border-radius: 14px;
  overflow-x: auto;
  white-space: pre;
  word-break: normal;
}

.message-body > .message-code-block:first-child {
  margin-top: 0;
}

.message-code-block code {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.94rem;
}

.message-body ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.message-body details {
  margin-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.7rem;
}

.message-body summary {
  cursor: pointer;
  color: var(--muted);
}

.user-message-inline-content {
  display: grid;
  gap: 0.75rem;
}

.user-message-text-block:empty {
  display: none;
}

.user-message-image-wrap {
  display: inline-flex;
  align-self: flex-start;
  width: fit-content;
  max-width: min(100%, 20rem);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(127, 212, 255, 0.14);
  background: rgba(7, 12, 16, 0.92);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.user-message-image {
  display: block;
  width: auto;
  max-width: min(100%, 20rem);
  max-height: min(40vh, 18rem);
  height: auto;
  object-fit: contain;
  background: rgba(7, 12, 16, 0.92);
}

.message-body .tool-panel {
  margin-top: 0;
  padding: 0.85rem 0.9rem;
  padding-top: 0.85rem;
  border-top: 0;
  background: rgba(7, 12, 16, 0.36);
  border: 1px solid rgba(127, 212, 255, 0.12);
  border-radius: 16px;
  overflow: hidden;
}

.message-body .tool-panel summary {
  color: inherit;
  list-style: none;
}

.message-body .tool-panel summary::-webkit-details-marker {
  display: none;
}

.tool-panel-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.tool-panel-summary::after {
  content: '▸';
  flex: 0 0 auto;
  align-self: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.tool-panel[open] > .tool-panel-summary::after {
  content: '▾';
}

.tool-panel-summary-copy {
  min-width: 0;
  flex: 1 1 auto;
}

.tool-panel-eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-panel-path {
  margin-top: 0.24rem;
  color: var(--text);
  font-size: 0.92rem;
  word-break: break-word;
}

.tool-panel-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.tool-panel-badge {
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(16, 31, 42, 0.88);
  color: var(--muted);
  padding: 0.3rem 0.55rem;
  font-size: 0.77rem;
  white-space: nowrap;
}

.tool-panel-badge.accent {
  color: var(--accent);
}

.tool-panel-badge.added {
  color: var(--success);
  border-color: rgba(124, 224, 170, 0.28);
  background: rgba(14, 55, 34, 0.32);
}

.tool-panel-badge.removed {
  color: var(--danger);
  border-color: rgba(255, 141, 141, 0.28);
  background: rgba(70, 18, 18, 0.28);
}

.tool-panel-body {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.tool-panel-note,
.tool-preview-truncated {
  color: var(--muted);
  font-size: 0.8rem;
}

.tool-diff-block,
.tool-code-block {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid rgba(127, 212, 255, 0.12);
  background: rgba(7, 12, 16, 0.96);
}

.tool-diff-line,
.tool-code-line {
  display: grid;
  grid-template-columns: minmax(2.6rem, auto) minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  min-width: max-content;
  padding: 0.16rem 0.7rem;
}

.tool-diff-line + .tool-diff-line,
.tool-code-line + .tool-code-line {
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.tool-diff-gutter,
.tool-code-gutter {
  color: var(--dim);
  text-align: right;
  user-select: none;
}

.tool-diff-code,
.tool-code-content {
  white-space: pre;
  color: var(--text);
}

.tool-diff-line.added {
  background: rgba(17, 72, 44, 0.24);
}

.tool-diff-line.added .tool-diff-gutter,
.tool-diff-line.added .tool-diff-code {
  color: var(--success);
}

.tool-diff-line.removed {
  background: rgba(82, 27, 27, 0.2);
}

.tool-diff-line.removed .tool-diff-gutter,
.tool-diff-line.removed .tool-diff-code {
  color: var(--danger);
}

.tool-diff-line.context .tool-diff-code {
  color: rgba(237, 245, 255, 0.78);
}

.tool-code-content {
  color: var(--md-code-block);
}

.tool-terminal-block {
  margin: 0;
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  border: 1px solid rgba(127, 212, 255, 0.12);
  background: rgba(7, 12, 16, 0.96);
  color: #d7e9ff;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-markdown-preview {
  padding: 0.1rem 0;
}

.tool-markdown-preview .message-code-block {
  margin-top: 0.65rem;
}

.tool-image-wrap {
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(127, 212, 255, 0.12);
  background: rgba(7, 12, 16, 0.96);
}

.tool-image-preview {
  display: block;
  width: 100%;
  max-height: 52vh;
  object-fit: contain;
  background: rgba(7, 12, 16, 0.96);
}

.tool-match-groups,
.tool-entry-list {
  display: grid;
  gap: 0.55rem;
}

.tool-match-group {
  border-radius: 14px;
  border: 1px solid rgba(127, 212, 255, 0.12);
  background: rgba(7, 12, 16, 0.96);
  overflow: hidden;
}

.tool-match-group-header {
  padding: 0.62rem 0.75rem;
  color: var(--accent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  word-break: break-word;
}

.tool-match-line,
.tool-entry-row {
  display: grid;
  grid-template-columns: minmax(2.2rem, auto) minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.18rem 0.75rem;
}

.tool-match-line + .tool-match-line,
.tool-entry-row + .tool-entry-row {
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.tool-match-gutter {
  color: var(--dim);
  text-align: right;
  user-select: none;
}

.tool-match-text,
.tool-entry-text {
  min-width: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-match-line.match {
  background: rgba(17, 72, 44, 0.12);
}

.tool-match-line.match .tool-match-text {
  color: var(--success);
}

.tool-match-line.context .tool-match-text {
  color: rgba(237, 245, 255, 0.78);
}

.tool-entry-icon {
  color: var(--muted);
  text-align: center;
}

.tool-entry-row.directory .tool-entry-text {
  color: var(--accent);
}

@media (max-width: 560px) {
  .tool-panel-summary {
    flex-direction: column;
  }

  .tool-panel-badges {
    justify-content: flex-start;
  }

  .tool-diff-line,
  .tool-code-line,
  .tool-match-line,
  .tool-entry-row {
    gap: 0.55rem;
    padding: 0.16rem 0.55rem;
  }

  .tool-match-group-header,
  .tool-terminal-block {
    padding-left: 0.65rem;
    padding-right: 0.65rem;
  }
}

.detail-content,
.detail-pre {
  margin-top: 0.7rem;
}

.detail-pre {
  white-space: pre-wrap;
  word-break: break-word;
}

.detail-markdown > .message-code-block:first-child {
  margin-top: 0;
}

.composer-wrap {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 0.95rem calc(env(safe-area-inset-bottom) + 0.75rem);
  background: linear-gradient(180deg, rgba(7, 13, 19, 0) 0%, rgba(7, 13, 19, 0.94) 26%, rgba(7, 13, 19, 0.99) 100%);
}

.composer {
  max-width: 980px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 0.82rem;
}

.composer-input-row {
  display: flex;
  align-items: flex-end;
  gap: 0.65rem;
}

.composer textarea {
  min-height: 52px;
  max-height: 200px;
  flex: 1 1 auto;
}

.composer-inline-button {
  flex: 0 0 auto;
  min-height: 52px;
  border-radius: 16px;
}

.stop-button {
  min-width: 72px;
  padding: 0.7rem 0.95rem;
}

.send-button {
  min-width: 48px;
  padding: 0.7rem 0.9rem;
  font-size: 1.35rem;
  line-height: 1;
}

.attachment-strip {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  margin-bottom: 0.7rem;
  padding-bottom: 0.15rem;
}

.composer > .command-strip {
  margin-bottom: 0.7rem;
}

.attachment-chip {
  min-width: 152px;
  max-width: 220px;
  background: rgba(15, 24, 34, 0.96);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.55rem;
}

.attachment-chip img {
  width: 100%;
  height: 92px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
  margin-bottom: 0.45rem;
}

.attachment-chip-header {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: flex-start;
}

.attachment-chip-token {
  display: inline-flex;
  align-items: center;
  padding: 0.14rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
  font-size: 0.72rem;
  line-height: 1.25;
}

.attachment-chip-name {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--text);
  word-break: break-word;
}

.attachment-chip-remove {
  border: none;
  background: transparent;
  color: var(--danger);
  padding: 0;
  font-size: 0.95rem;
}

.attachment-chip-meta {
  color: var(--dim);
  font-size: 0.72rem;
  margin-top: 0.25rem;
}

.composer-actions {
  display: flex;
  justify-content: flex-start;
  gap: 0.5rem;
  margin-top: 0.72rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.15rem;
}

.composer-actions > * {
  flex: 0 0 auto;
  white-space: nowrap;
}

.composer-actions button {
  min-height: 40px;
  padding: 0.54rem 0.82rem;
  border-radius: 13px;
  font-size: 0.92rem;
}

.quota-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.58rem;
  min-width: 0;
}

.quota-meta-row,
.quota-pills-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.quota-meta-row {
  flex: 0 1 auto;
  max-width: 70%;
  justify-content: flex-start;
  overflow: hidden;
}

.quota-pills-row {
  flex: 1 1 auto;
  justify-content: flex-end;
  flex-wrap: wrap;
  row-gap: 0.35rem;
}

.quota-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.32rem 0.56rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(19, 31, 42, 0.88);
  color: var(--muted);
  font-size: 0.76rem;
  white-space: nowrap;
}

.cwd-pill {
  display: block;
  flex: 0 1 auto;
  width: fit-content;
  min-width: 0;
  max-width: 100%;
  color: var(--dim);
  overflow: hidden;
  text-overflow: ellipsis;
}

.quota-context-pill {
  flex: 0 0 auto;
}

.quota-pill.good {
  color: var(--success);
}

.quota-pill.warn {
  color: var(--warning);
}

.quota-pill.danger {
  color: var(--danger);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 7, 10, 0.68);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 30;
}

.modal-card {
  width: min(100%, 720px);
}

.modal-card,
.sheet-card {
  padding: 1rem;
}

.modal-card.narrow {
  width: min(100%, 420px);
}

.option-list,
.sheet-grid,
.sheet-list,
.model-list {
  display: grid;
  gap: 0.7rem;
}

.option-list button,
.sheet-list button,
.model-list button {
  width: 100%;
  text-align: left;
}

.sheet-filter {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.sheet-select {
  width: 100%;
  appearance: none;
  background: rgba(7, 12, 16, 0.95);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.8rem 0.95rem;
}

.sheet-card {
  width: min(100%, 860px);
  max-height: min(88vh, 920px);
  overflow: auto;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.sheet-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sheet-content {
  display: grid;
  gap: 0.9rem;
}

.sheet-section h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.sheet-actions {
  display: grid;
  gap: 0.7rem;
}

.sheet-action-row {
  display: grid;
  gap: 0.65rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.stat-chip {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--text);
}

.stat-chip strong {
  color: var(--accent);
}

.jump-to-latest-button {
  position: fixed;
  left: 50%;
  bottom: calc(var(--composer-reserve) - 0.35rem);
  transform: translateX(-50%);
  z-index: 20;
  min-width: 3.2rem;
  padding: 0.82rem;
  border-radius: 999px;
  background: rgba(20, 32, 42, 0.96);
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.toast-host {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 0.75rem);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  pointer-events: none;
  z-index: 40;
}

.toast {
  max-width: min(92vw, 560px);
  padding: 0.8rem 1rem;
  background: rgba(16, 24, 33, 0.98);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.toast.error {
  color: var(--danger);
  border-color: rgba(255, 141, 141, 0.3);
}

@media (max-width: 767px) {
  .sidebar-toggle-button {
    left: 0.75rem;
  }
}

@media (min-width: 768px) {
  .app-shell {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .status-grid,
  .stat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .composer-wrap {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }
}