:root {
  color-scheme: dark;
  --bg: #101215;
  --surface: #181b20;
  --surface-2: #20242b;
  --line: #303741;
  --text: #f4f1ea;
  --muted: #a7b0ba;
  --soft: #717b87;
  --accent: #66d9c8;
  --accent-2: #f3b95f;
  --danger: #ff7878;
  --ok: #83d777;
  --chrome: rgba(16, 18, 21, 0.92);
  --chrome-strong: rgba(16, 18, 21, 0.96);
  --input-bg: #111419;
  --drawer-bg: #14171b;
  --login-panel-bg: rgba(24, 27, 32, 0.92);
  --user-bg: #19312e;
  --tool-bg: #15181d;
  --session-row-bg: rgba(255, 255, 255, 0.02);
  --radius: 8px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="daylight"] {
  color-scheme: light;
  --bg: #f5f2ea;
  --surface: #ffffff;
  --surface-2: #ebe5d9;
  --line: #d5ccbc;
  --text: #1d2024;
  --muted: #59626d;
  --soft: #7a828c;
  --accent: #157a70;
  --accent-2: #9b5f12;
  --danger: #b82929;
  --ok: #287c30;
  --chrome: rgba(245, 242, 234, 0.94);
  --chrome-strong: rgba(245, 242, 234, 0.98);
  --input-bg: #fbfaf6;
  --drawer-bg: #eee8dc;
  --login-panel-bg: rgba(255, 255, 255, 0.94);
  --user-bg: #dcf2ee;
  --tool-bg: #f2eee4;
  --session-row-bg: rgba(0, 0, 0, 0.025);
}

:root[data-theme="terminal"] {
  --bg: #050806;
  --surface: #0b120e;
  --surface-2: #132018;
  --line: #244231;
  --text: #dff9e8;
  --muted: #8cad99;
  --soft: #6f8a79;
  --accent: #6df2a6;
  --accent-2: #e9d16a;
  --danger: #ff7a7a;
  --ok: #85e58d;
  --chrome: rgba(5, 8, 6, 0.94);
  --chrome-strong: rgba(5, 8, 6, 0.98);
  --input-bg: #08100b;
  --drawer-bg: #08100b;
  --login-panel-bg: rgba(11, 18, 14, 0.94);
  --user-bg: #0d2a1a;
  --tool-bg: #09100c;
  --session-row-bg: rgba(109, 242, 166, 0.035);
}

:root[data-theme="ocean"] {
  --bg: #0d1320;
  --surface: #141d2d;
  --surface-2: #1c2b40;
  --line: #2f4662;
  --text: #edf5ff;
  --muted: #a3b3c7;
  --soft: #7f91a8;
  --accent: #6bd4ff;
  --accent-2: #ffd166;
  --danger: #ff8a9a;
  --ok: #8de18d;
  --chrome: rgba(13, 19, 32, 0.94);
  --chrome-strong: rgba(13, 19, 32, 0.98);
  --input-bg: #101827;
  --drawer-bg: #101827;
  --login-panel-bg: rgba(20, 29, 45, 0.94);
  --user-bg: #123849;
  --tool-bg: #111a29;
  --session-row-bg: rgba(107, 212, 255, 0.035);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  overflow: hidden;
}

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

button {
  -webkit-tap-highlight-color: transparent;
}

.login-view {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(120deg, rgba(102, 217, 200, 0.14), transparent 38%),
    radial-gradient(circle at 80% 20%, rgba(243, 185, 95, 0.12), transparent 34%),
    var(--bg);
}

.login-panel {
  width: min(420px, 100%);
  padding: 34px 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--login-panel-bg);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(42px, 13vw, 68px);
  line-height: 0.92;
}

.login-copy {
  margin: 18px 0 24px;
  color: var(--muted);
  line-height: 1.6;
}

.login-form,
.session-dialog form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

input,
select {
  height: 44px;
  padding: 0 12px;
}

textarea {
  resize: none;
  max-height: min(40svh, 320px);
  min-height: 44px;
  padding: 11px 12px;
  line-height: 1.45;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 217, 200, 0.14);
}

button {
  min-height: 44px;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: #08100f;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.error-text {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 13px;
}

.app-shell {
  height: 100svh;
  display: grid;
  grid-template-columns: 320px 1fr;
  background: var(--bg);
}

.session-drawer {
  min-width: 0;
  border-right: 1px solid var(--line);
  background: var(--drawer-bg);
  display: flex;
  flex-direction: column;
  padding: 18px;
  gap: 14px;
}

.drawer-head,
.topbar,
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.drawer-head h2 {
  font-size: 20px;
}

.icon-button {
  width: 44px;
  min-width: 44px;
  padding: 0;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.new-session-button,
.primary-wide {
  width: 100%;
}

.drawer-action-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 58px;
  gap: 8px;
  align-items: end;
}

.drawer-action-row .new-session-button,
.drawer-action-row .drawer-settings-button {
  width: auto;
  min-height: 44px;
}

.compact-select-label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.compact-select-label select {
  min-width: 0;
}

.drawer-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.drawer-settings-button {
  width: 100%;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.ghost-button {
  margin-top: auto;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}

.ghost-button.inline {
  margin-top: 0;
}

.session-list {
  display: grid;
  gap: 8px;
  overflow: auto;
  padding-right: 2px;
}

.session-group {
  display: grid;
  gap: 8px;
}

.session-group-toggle {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
  text-align: left;
}

.session-group-toggle span {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  word-break: break-word;
}

.session-group-toggle strong {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.session-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px 38px;
  gap: 7px;
  align-items: stretch;
}

.session-item {
  display: grid;
  gap: 6px;
  width: 100%;
  min-height: 74px;
  padding: 12px;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
}

.session-rename-button,
.session-delete-button {
  min-height: 100%;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  font-size: 12px;
}

.session-rename-button {
  color: var(--muted);
}

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

.session-item.active {
  background: var(--surface);
  border-color: var(--line);
}

.session-item.external {
  border-color: rgba(243, 185, 95, 0.26);
}

.session-item strong {
  display: block;
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

.session-item span {
  color: var(--soft);
  font-size: 12px;
  font-weight: 600;
}

.workspace {
  min-width: 0;
  height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  min-height: calc(64px + env(safe-area-inset-top));
  padding: calc(12px + env(safe-area-inset-top)) 16px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--chrome);
  backdrop-filter: blur(14px);
}

.top-title {
  min-width: 0;
  display: grid;
  gap: 2px;
  flex: 1;
}

.top-title strong,
.top-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.top-title span {
  color: var(--muted);
  font-size: 12px;
}

.connection-badge {
  min-width: 54px;
  padding: 7px 9px;
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.connection-badge.online {
  color: #06100e;
  background: var(--accent);
}

.connection-badge.running {
  color: #151005;
  background: var(--accent-2);
}

.empty-state {
  align-self: center;
  justify-self: center;
  width: min(420px, calc(100% - 40px));
  color: var(--muted);
  line-height: 1.6;
}

.empty-state h2 {
  color: var(--text);
  font-size: 30px;
  line-height: 1.1;
}

.message-pane {
  min-height: 0;
  overflow: auto;
  padding: 18px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.message {
  position: relative;
  max-width: 860px;
  width: fit-content;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  animation: message-in 0.18s ease-out;
}

.message.user {
  align-self: flex-end;
  background: var(--user-bg);
  border-color: rgba(102, 217, 200, 0.36);
}

.message.system {
  align-self: center;
  background: transparent;
}

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

.message-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 0;
  color: var(--soft);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.message-toggle {
  min-height: 28px;
  padding: 4px 8px;
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 11px;
}

.message-summary {
  display: none;
  max-width: min(760px, 100%);
  padding: 8px 10px 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-text {
  margin: 0;
  padding: 8px 10px 10px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.message.collapsed .message-summary {
  display: block;
}

.message.collapsed .message-text {
  display: none;
}

.message.collapsed {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
}

.message.collapsed .message-head {
  display: contents;
}

.message.collapsed .message-head span:first-child {
  grid-column: 1;
  grid-row: 1;
  color: var(--soft);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.message.collapsed .message-head span:nth-child(2) {
  display: none;
}

.message.collapsed .message-summary {
  grid-column: 2;
  grid-row: 1;
  padding: 0;
  min-width: 0;
  max-width: none;
}

.message.collapsed .message-toggle {
  grid-column: 3;
  grid-row: 1;
  min-height: 26px;
  padding: 3px 7px;
}

.message.assistant .message-text,
.message.user .message-text {
  font-family: inherit;
  font-size: 15px;
}

.prompt-bar {
  display: grid;
  gap: 8px;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--chrome-strong);
}

.prompt-tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.prompt-row {
  display: grid;
  grid-template-columns: 1fr 74px;
  gap: 10px;
}

.elevated-toggle {
  display: inline-flex;
  grid-auto-flow: column;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.elevated-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-2);
}

.stop-button {
  min-height: 34px;
  padding: 0 12px;
  background: var(--danger);
  color: #fff;
}

.command-button {
  min-height: 34px;
  padding: 0 12px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.option-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 10px 10px;
}

.option-button {
  min-height: 34px;
  max-width: 100%;
  padding: 7px 10px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
  font-size: 12px;
  text-align: left;
}

.message-edit-icon {
  position: absolute;
  top: -8px;
  left: -8px;
  width: 26px;
  min-width: 26px;
  min-height: 26px;
  padding: 0;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
}

.session-dialog {
  width: min(520px, calc(100% - 28px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 18px;
}

.session-dialog::backdrop {
  background: rgba(0, 0, 0, 0.62);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-with-button {
  display: grid;
  grid-template-columns: 1fr 72px;
  gap: 8px;
}

.directory-path {
  margin: 12px 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  word-break: break-word;
}

.directory-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.directory-list {
  max-height: min(50svh, 420px);
  overflow: auto;
  display: grid;
  gap: 8px;
}

.directory-item {
  min-height: 42px;
  padding: 0 12px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
  text-align: left;
  font-weight: 700;
}

.directory-empty {
  margin: 8px 0;
  color: var(--muted);
  font-size: 13px;
}

.settings-form {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.settings-checkbox {
  display: flex;
  grid-auto-flow: column;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.settings-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-2);
}

.command-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.command-item {
  display: grid;
  gap: 4px;
  min-height: 52px;
  padding: 9px 11px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--line);
  text-align: left;
}

.command-item strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.command-item span {
  color: var(--muted);
  font-size: 12px;
}

.drawer-scrim {
  display: none;
}

@keyframes message-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .app-shell {
    display: block;
  }

  .session-drawer {
    position: fixed;
    inset: 0;
    z-index: 30;
    width: 100vw;
    height: 100svh;
    border-right: 0;
    border-top: 1px solid var(--line);
    transform: translateY(105%);
    transition: transform 0.2s ease;
    padding: calc(16px + env(safe-area-inset-top)) 14px calc(14px + env(safe-area-inset-bottom));
    gap: 12px;
  }

  .session-drawer.open {
    transform: translateY(0);
  }

  .drawer-head {
    min-height: 48px;
  }

  .drawer-head h2 {
    font-size: 22px;
  }

  .new-session-button {
    min-height: 48px;
  }

  .session-list {
    gap: 10px;
    padding-right: 0;
    padding-bottom: 8px;
  }

  .session-item {
    min-height: 84px;
    padding: 14px;
    border-color: var(--line);
    background: var(--session-row-bg);
  }

  .session-entry {
    grid-template-columns: minmax(0, 1fr) 40px 40px;
  }

  .session-item strong {
    font-size: 16px;
    line-height: 1.35;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    word-break: break-word;
  }

  .session-item span {
    font-size: 12px;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
  }

  .session-group-toggle {
    margin-top: 10px;
    min-height: 54px;
  }

  .session-group-toggle span,
  .session-group-toggle strong {
    font-size: 13px;
  }

  .drawer-scrim {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: block;
    background: rgba(0, 0, 0, 0.46);
  }

  .ghost-button {
    margin-top: 0;
  }

  .workspace {
    height: 100svh;
  }

  .message-pane {
    padding: 14px 12px 18px;
  }

  .message {
    max-width: 92%;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .drawer-controls,
  .directory-actions {
    grid-template-columns: 1fr;
  }
}