/* My Claude — deliberately evokes the Claude Code terminal without pretending
   to be the official app. The "tunnel" chrome in the header is the tell. */

:root {
  --bg: #1f1e1b;
  --bg-raised: #262521;
  --bg-sunken: #191814;
  --border: #3a3833;
  --border-soft: #2f2e29;
  --text: #f0eee6;
  --text-dim: #a9a49a;
  --text-faint: #78736a;
  --accent: #d97757;
  --accent-dim: #8c4a33;
  --ok: #7fb069;
  --warn: #e0a458;
  --err: #d9635c;
  --link: #8fb8de;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf9f5;
    --bg-raised: #fff;
    --bg-sunken: #f0eee6;
    --border: #ddd9d0;
    --border-soft: #e8e5dc;
    --text: #1f1e1b;
    --text-dim: #5c584f;
    --text-faint: #8b8579;
    --accent: #c15f3c;
    --accent-dim: #e8c4b5;
    --link: #2f6f9f;
  }
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  height: 100%;
  overscroll-behavior-y: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

/* ---------- header ---------- */

.hdr {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(var(--safe-top) + 10px) 12px 10px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.hdr-title {
  flex: 1;
  min-width: 0;
}

.hdr-title h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hdr-sub {
  font: 11px/1.4 var(--mono);
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tunnel-badge {
  font: 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  padding: 3px 5px;
  flex: 0 0 auto;
}

/* ---------- generic controls ---------- */

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

.btn {
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 14px;
  min-height: 40px;
}

.btn:active {
  background: var(--border-soft);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.btn-danger {
  color: var(--err);
  border-color: var(--err);
}

.btn-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: 18px;
  flex: 0 0 auto;
}

.btn-icon:active {
  background: var(--bg-sunken);
}

input,
textarea,
select {
  font: inherit;
  color: var(--text);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
  /* 16px prevents iOS Safari from zooming the viewport on focus. */
  font-size: 16px;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin: 14px 0 5px;
  font-weight: 500;
}

/* ---------- scroll body ---------- */

.body {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px;
}

.body.pad-bottom {
  padding-bottom: calc(var(--safe-bottom) + 16px);
}

/* ---------- cards / lists ---------- */

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 10px;
  display: block;
  width: 100%;
  text-align: left;
}

.card:active {
  border-color: var(--border);
}

.card-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.card .meta {
  font: 11px/1.5 var(--mono);
  color: var(--text-faint);
  margin-top: 4px;
  word-break: break-all;
}

.empty {
  text-align: center;
  color: var(--text-faint);
  padding: 48px 20px;
  font-size: 14px;
}

.section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 18px 0 8px;
  font-weight: 600;
}

/* ---------- state pills ---------- */

.pill {
  font: 10px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 7px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  flex: 0 0 auto;
  white-space: nowrap;
}

.pill.working {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.pill.waiting_permission {
  color: var(--warn);
  border-color: var(--warn);
}

.pill.idle {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 40%, transparent);
}

.pill.error {
  color: var(--err);
  border-color: var(--err);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  flex: 0 0 auto;
}

.dot.up {
  background: var(--ok);
}

.dot.down {
  background: var(--err);
}

.dot.working {
  background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}

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

/* ---------- transcript ---------- */

.transcript {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.blk {
  padding: 6px 0;
  animation: fade 0.15s ease-out;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
}

.blk-user {
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 10px 13px;
  margin: 10px 0 10px auto;
  max-width: 88%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.blk-assistant {
  overflow-wrap: anywhere;
}

.blk-thinking {
  color: var(--text-faint);
  font-style: italic;
  border-left: 2px solid var(--border);
  padding-left: 10px;
  margin: 6px 0;
  font-size: 14px;
}

/* Tool cards mirror the terminal's ⏺ bullet lines. */
.tool {
  margin: 6px 0;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}

.tool-head {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font: 12.5px/1.5 var(--mono);
  color: var(--text-dim);
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.tool-name {
  color: var(--text);
  font-weight: 600;
  flex: 0 0 auto;
}

.tool-arg {
  color: var(--text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.tool-body {
  margin-top: 6px;
}

.tool.err {
  border-left-color: var(--err);
}

.bullet {
  color: var(--accent);
  flex: 0 0 auto;
}

.bullet.ok {
  color: var(--ok);
}

.bullet.err {
  color: var(--err);
}

pre {
  background: var(--bg-sunken);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 10px;
  overflow-x: auto;
  font: 12.5px/1.55 var(--mono);
  margin: 6px 0;
}

code {
  font: 0.9em var(--mono);
  background: var(--bg-sunken);
  padding: 1px 4px;
  border-radius: 4px;
}

pre code {
  background: none;
  padding: 0;
  font-size: 1em;
}

.blk-assistant p {
  margin: 8px 0;
}

.blk-assistant ul,
.blk-assistant ol {
  margin: 8px 0;
  padding-left: 22px;
}

.blk-assistant li {
  margin: 3px 0;
}

.blk-assistant h1,
.blk-assistant h2,
.blk-assistant h3 {
  font-size: 15px;
  margin: 14px 0 6px;
}

.blk-assistant a {
  color: var(--link);
}

.blk-assistant blockquote {
  border-left: 2px solid var(--border);
  margin: 8px 0;
  padding-left: 10px;
  color: var(--text-dim);
}

/* diffs */
.diff {
  font: 12px/1.5 var(--mono);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  margin: 6px 0;
}

.diff div {
  padding: 1px 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.diff .add {
  background: color-mix(in srgb, var(--ok) 18%, transparent);
}

.diff .del {
  background: color-mix(in srgb, var(--err) 18%, transparent);
}

.sys-chip {
  font: 11px/1.5 var(--mono);
  color: var(--text-faint);
  padding: 5px 0;
}

.turn-end {
  border-top: 1px dashed var(--border-soft);
  margin: 14px 0 6px;
  padding-top: 6px;
  font: 10.5px/1.4 var(--mono);
  color: var(--text-faint);
  text-align: right;
}

.more-btn {
  font: 11px var(--mono);
  color: var(--text-faint);
  padding: 3px 0;
  text-decoration: underline;
}

/* ---------- permission card ---------- */

.perm {
  border: 1px solid var(--warn);
  background: color-mix(in srgb, var(--warn) 8%, var(--bg-raised));
  border-radius: 12px;
  padding: 13px;
  margin: 12px 0;
}

.perm h4 {
  margin: 0 0 4px;
  font: 13px var(--mono);
}

.perm .why {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.perm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.perm-actions .btn {
  flex: 1 1 auto;
  min-width: 96px;
}

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

.composer {
  flex: 0 0 auto;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
  padding: 8px 10px calc(var(--safe-bottom) + 8px);
}

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

.composer-row.blocked {
  opacity: 0.5;
}

.composer textarea:disabled {
  cursor: not-allowed;
}

.composer textarea {
  resize: none;
  max-height: 40dvh;
  min-height: 42px;
  border-radius: 12px;
  padding: 10px 12px;
  line-height: 1.45;
}

.composer-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
  overflow-x: auto;
  scrollbar-width: none;
}

.composer-bar::-webkit-scrollbar {
  display: none;
}

.mode-btn {
  font: 11px var(--mono);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--text-dim);
  white-space: nowrap;
  flex: 0 0 auto;
}

.mode-btn.on {
  border-color: var(--accent);
  color: var(--accent);
}

.mode-btn.danger {
  border-color: var(--err);
  color: var(--err);
}

.model-btn {
  border-style: dashed;
}

.model-btn::after {
  content: ' ▾';
  opacity: 0.6;
}

.bar-label {
  font: 10px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
  flex: 0 0 auto;
}

.bar-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex: 0 0 auto;
  margin: 0 2px;
}

.attachments {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 7px;
}

.attachments img {
  height: 52px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* ---------- jump-to-bottom ---------- */

.jump {
  position: absolute;
  right: 14px;
  bottom: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 12px;
  box-shadow: 0 3px 14px rgb(0 0 0 / 0.3);
}

.chat-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* ---------- modal ---------- */

.modal-bg {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.55);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 40;
}

.modal {
  background: var(--bg-raised);
  border-radius: 16px 16px 0 0;
  padding: 18px 16px calc(var(--safe-bottom) + 18px);
  width: 100%;
  max-width: 560px;
  max-height: 88dvh;
  overflow-y: auto;
}

@media (min-width: 620px) {
  .modal-bg {
    align-items: center;
  }

  .modal {
    border-radius: 16px;
  }
}

.modal h2 {
  margin: 0 0 4px;
  font-size: 17px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.modal-actions .btn {
  flex: 1;
}

.menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 13px 4px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 15px;
}

.menu-item.danger {
  color: var(--err);
}

/* ---------- toasts ---------- */

.toasts {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(var(--safe-bottom) + 12px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 60;
  pointer-events: none;
}

.toast {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 11px 13px;
  font-size: 13px;
  box-shadow: 0 4px 18px rgb(0 0 0 / 0.35);
  animation: fade 0.15s ease-out;
}

.toast.err {
  border-left-color: var(--err);
}

/* ---------- AskUserQuestion picker ---------- */

.askq {
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--bg-raised));
  border-radius: 12px;
  padding: 14px;
  margin: 12px 0;
}

.askq-q + .askq-q {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

.askq-chip {
  display: inline-block;
  font: 10px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  padding: 4px 6px;
  margin-bottom: 8px;
}

.askq-text {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.askq-hint {
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.askq-opt {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
  margin-top: 8px;
}

.askq-opt.on {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-sunken));
}

.askq-opt-label {
  font-weight: 600;
  font-size: 14px;
}

.askq-opt.on .askq-opt-label::after {
  content: ' ✓';
  color: var(--accent);
}

.askq-opt-desc {
  font-size: 12.5px;
  color: var(--text-dim);
  margin-top: 3px;
}

.askq-preview {
  margin-top: 8px;
  max-height: 220px;
  overflow: auto;
  font-size: 11.5px;
}

.btn.disabled,
.btn:disabled {
  opacity: 0.45;
}

/* ---------- usage / rate limit ---------- */

.usage-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 11.5px/1.4 var(--mono);
  color: var(--text-dim);
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 8px 11px;
  margin-bottom: 12px;
}

.usage-bar .dot {
  background: var(--ok);
}

.usage-bar.warn {
  border-color: var(--warn);
  color: var(--warn);
}

.usage-bar.warn .dot {
  background: var(--warn);
}

.usage-bar.err {
  border-color: var(--err);
  color: var(--err);
}

.usage-bar.err .dot {
  background: var(--err);
}

.usage-bar.idle .dot {
  background: var(--text-faint);
}

.usage-strip {
  font: 11.5px/1.4 var(--mono);
  color: var(--text-dim);
  padding: 6px 2px;
}

.usage-strip.warn {
  color: var(--warn);
}

.usage-strip.err {
  color: var(--err);
}

.crumbs {
  font: 12px var(--mono);
  color: var(--text-dim);
  word-break: break-all;
  margin-bottom: 8px;
}

.browse-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 4px;
  border-bottom: 1px solid var(--border-soft);
  width: 100%;
  text-align: left;
  font: 13px var(--mono);
}

.spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}