:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #f0eee7;
  --border: #e2dfd5;
  --text: #1f1e1b;
  --muted: #6b6860;
  --accent: #c96442;
  --accent-ink: #ffffff;
  --user-bg: #ece7dc;
  --code-bg: #f3f1ea;
  --danger: #b3261e;
  --ok: #2e7d32;
  --warn: #b26a00;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 4px 16px rgb(0 0 0 / 6%);
  --font-ui: 'Inter', 'Noto Sans Bengali', 'Nirmala UI', 'Kohinoor Bangla', 'Bangla Sangam MN', system-ui, -apple-system,
    'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Noto Sans Bengali', 'Nirmala UI', 'Kohinoor Bangla', ui-monospace, 'Cascadia Mono',
    Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b19;
    --surface: #252421;
    --surface-2: #2e2d29;
    --border: #3a3833;
    --text: #ecebe6;
    --muted: #a19e94;
    --accent: #d97757;
    --user-bg: #34322d;
    --code-bg: #1f1e1b;
    --danger: #f2b8b5;
    --ok: #81c995;
    --warn: #fdd663;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 4px 16px rgb(0 0 0 / 30%);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 6px 12px;
  background: var(--surface-2);
  color: var(--text);
}

button:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

button.ghost {
  background: transparent;
  border-color: var(--border);
}

button.wide {
  width: 100%;
  padding: 10px;
  font-weight: 600;
}

.muted {
  color: var(--muted);
}

[hidden] {
  display: none !important;
}

/* ---- sign in ---- */

.login-page {
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.brand h1 {
  font-size: 20px;
  margin: 0;
}

.brand p {
  margin: 0;
}

.login-card label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
}

.login-card .bn {
  color: var(--muted);
  font-weight: 400;
  margin-left: 6px;
}

.password-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.password-row input {
  flex: 1;
  min-width: 0;
  font: inherit;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.error {
  color: var(--danger);
  margin: 0 0 12px;
  font-size: 14px;
}

/* ---- console ---- */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex: none;
}

.brand.small {
  margin: 0;
  gap: 8px;
}

.brand.small .title {
  font-weight: 600;
}

.spacer {
  flex: 1;
}

.status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-2);
}

.status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

.status[data-state='ready'] .dot {
  background: var(--ok);
}

.status[data-state='busy'] .dot {
  background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}

.status[data-state='menu'] .dot {
  background: var(--warn);
}

.status[data-state='offline'] .dot {
  background: var(--danger);
}

@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}

.segmented {
  display: flex;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 3px;
}

.segmented button {
  background: transparent;
  padding: 4px 14px;
  font-size: 14px;
}

.segmented button[aria-selected='true'] {
  background: var(--surface);
  box-shadow: var(--shadow);
  font-weight: 600;
}

.logout {
  margin: 0;
}

.views {
  flex: 1;
  min-height: 0;
  position: relative;
}

.view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}

/* ---- chat ---- */

.chat-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.chat-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.load-earlier {
  align-self: center;
  font-size: 13px;
}

.msg {
  max-width: 100%;
  overflow-wrap: anywhere;
}

.msg.user {
  align-self: flex-end;
  max-width: 85%;
  background: var(--user-bg);
  border-radius: 16px 16px 4px 16px;
  padding: 10px 14px;
  white-space: pre-wrap;
}

.msg.user.pending {
  opacity: 0.6;
}

.msg.user img {
  display: block;
  max-width: 100%;
  max-height: 320px;
  border-radius: 8px;
  margin-top: 8px;
}

.msg.claude {
  align-self: stretch;
}

.msg .who {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.msg .who time {
  font-weight: 400;
}

.msg .copy {
  margin-left: auto;
  font-size: 12px;
  padding: 2px 8px;
  background: transparent;
  border-color: var(--border);
  opacity: 0;
  transition: opacity 0.15s;
}

.msg:hover .copy,
.msg .copy:focus-visible {
  opacity: 1;
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose p,
.prose ul,
.prose ol,
.prose pre,
.prose table,
.prose blockquote {
  margin: 0 0 10px;
}

.prose ul,
.prose ol {
  padding-left: 22px;
}

.prose a {
  color: var(--accent);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
}

.prose pre {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: 13px;
}

.prose pre .copy-code {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 12px;
  padding: 1px 8px;
  opacity: 0;
}

.prose pre:hover .copy-code {
  opacity: 1;
}

.prose table {
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 4px 8px;
}

.prose blockquote {
  border-left: 3px solid var(--border);
  padding-left: 12px;
  color: var(--muted);
}

.tool {
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  margin: 6px 0;
}

.tool summary {
  cursor: pointer;
  padding: 5px 10px;
  display: flex;
  gap: 8px;
  align-items: baseline;
  list-style: none;
}

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

.tool summary::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  flex: none;
  align-self: center;
}

.tool.done summary::before {
  background: var(--ok);
}

.tool.failed summary::before {
  background: var(--danger);
}

.tool .label {
  font-weight: 600;
  white-space: nowrap;
}

.tool .detail {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.tool pre {
  margin: 0;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 360px;
  overflow-y: auto;
}

.tool-group {
  display: flex;
  flex-direction: column;
}

.note {
  align-self: center;
  font-size: 12px;
  color: var(--muted);
  background: var(--surface-2);
  padding: 2px 10px;
  border-radius: 999px;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
}

.jump {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: var(--shadow);
  background: var(--surface);
  border-color: var(--border);
  font-size: 13px;
}

/* ---- terminal ---- */

.terminal {
  background: #141413;
}

.term-tools {
  display: flex;
  gap: 6px;
  padding: 6px 10px;
  align-items: center;
  border-bottom: 1px solid #2a2a27;
  overflow-x: auto;
  flex: none;
}

.term-tools button {
  background: #2a2a27;
  color: #e8e6df;
  font-size: 12px;
  padding: 3px 10px;
  white-space: nowrap;
}

.term-tools button.ghost {
  background: transparent;
  border-color: #3a3a36;
}

.term-host {
  flex: 1;
  min-height: 0;
  padding: 6px 0 0 8px;
}

/* ---- menu (Claude asking) ---- */

.menu-panel {
  flex: none;
  margin: 0 auto;
  width: min(860px, calc(100% - 32px));
  border: 1px solid var(--warn);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 10px 12px;
  margin-bottom: 8px;
}

.menu-head {
  display: flex;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.menu-head .muted {
  font-size: 13px;
}

.menu-screen {
  margin: 0 0 8px;
  max-height: 220px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--code-bg);
  border-radius: 8px;
  padding: 8px 10px;
  white-space: pre-wrap;
}

.menu-keys {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.menu-keys .key {
  min-width: 40px;
}

/* ---- composer ---- */

.composer {
  flex: none;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 10px 16px 6px;
}

.composer-row,
.attachments,
.composer-note {
  max-width: 860px;
  margin: 0 auto;
}

.composer-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.composer textarea {
  flex: 1;
  min-width: 0;
  resize: none;
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
  max-height: 40vh;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.composer button.icon {
  background: transparent;
  border-color: var(--border);
  padding: 8px;
  display: grid;
  place-items: center;
}

.composer button.send {
  padding: 8px 12px;
  display: grid;
  place-items: center;
}

.composer button.stop {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
  font-weight: 600;
  padding: 8px 12px;
}

.composer-note {
  min-height: 18px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.composer-note.error {
  color: var(--danger);
}

.attachments {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 4px 3px 6px;
  font-size: 13px;
  background: var(--bg);
  max-width: 260px;
}

.chip img {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
}

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

.chip button {
  padding: 0 6px;
  background: transparent;
  color: var(--muted);
}

.chip.uploading {
  opacity: 0.6;
}

.drop-overlay {
  position: fixed;
  inset: 0;
  background: rgb(201 100 66 / 15%);
  border: 3px dashed var(--accent);
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 600;
  z-index: 10;
  pointer-events: none;
}

@media (max-width: 640px) {
  .topbar {
    padding: 8px 10px;
    gap: 8px;
    flex-wrap: wrap;
  }

  .brand.small .title,
  .logout {
    display: none;
  }

  .composer {
    padding: 8px 10px 4px;
  }
}