:root,
[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f4f6;
  --bg-elevated: #ffffff;
  --bg-muted: #eef0f3;
  --text: #111827;
  --muted: #6b7280;
  --border: #d7dce3;
  --accent: #1d4ed8;
  --accent-text: #ffffff;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --armed: #067647;
  --armed-bg: #ecfdf3;
  --unarmed: #b54708;
  --unarmed-bg: #fffaeb;
  --running: #175cd3;
  --running-bg: #eff8ff;
  --error: #b42318;
  --error-bg: #fef3f2;
  --idle: #344054;
  --idle-bg: #f2f4f7;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  --focus: 0 0 0 3px rgba(29, 78, 216, 0.28);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419;
  --bg-elevated: #171e26;
  --bg-muted: #1e2731;
  --text: #e8eef4;
  --muted: #9aa8b6;
  --border: #2a3541;
  --accent: #6ea8fe;
  --accent-text: #0b1220;
  --danger: #f97066;
  --danger-bg: #3b1513;
  --armed: #32d583;
  --armed-bg: #113326;
  --unarmed: #fdb022;
  --unarmed-bg: #3b2a10;
  --running: #84caff;
  --running-bg: #102a3d;
  --error: #f97066;
  --error-bg: #3b1513;
  --idle: #98a2b3;
  --idle-bg: #1e2731;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  --focus: 0 0 0 3px rgba(110, 168, 254, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
}

h1,
h2 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 1.05rem;
}

h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
textarea {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  min-height: 3.25rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-wrap: wrap;
}

.app-header .theme-toggle {
  margin-left: auto;
}

body.is-room .arm-form {
  margin-left: auto;
}

body.is-room .theme-toggle {
  margin-left: 0;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
}

.back {
  font-weight: 600;
  color: var(--text);
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.theme-toggle,
.btn,
.pane-tab {
  min-height: 2.5rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
}

.theme-toggle:hover,
.btn:hover,
.pane-tab:hover {
  background: var(--bg-muted);
}

.theme-toggle:focus-visible,
.btn:focus-visible,
.pane-tab:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

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

.btn-primary:hover {
  filter: brightness(1.05);
  background: var(--accent);
}

.btn-danger {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
  font-weight: 600;
}

.btn-quiet {
  min-height: 2rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.85rem;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  width: max-content;
  min-height: 1.5rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 650;
  white-space: nowrap;
}

.badge-armed {
  color: var(--armed);
  background: var(--armed-bg);
}

.badge-unarmed {
  color: var(--unarmed);
  background: var(--unarmed-bg);
}

.badge-idle,
.badge-status {
  color: var(--idle);
  background: var(--idle-bg);
  text-transform: lowercase;
}

.badge-running {
  color: var(--running);
  background: var(--running-bg);
}

.badge-error,
.badge-dead-letter {
  color: var(--error);
  background: var(--error-bg);
}

.login-main {
  min-height: calc(100dvh - 3.25rem);
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(24rem, 100%);
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.9rem;
}

.login-card h1 {
  font-size: 1.35rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.field input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
}

.form-error {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border-radius: 0.5rem;
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 600;
}

.rooms-main {
  padding: 1rem 1.25rem 2rem;
  width: 100%;
}

.rooms-list {
  display: grid;
  gap: 0.5rem;
}

.rooms-list-head,
.room-row {
  display: grid;
  grid-template-columns: minmax(14rem, 1.3fr) 7rem 7.5rem minmax(0, 2.2fr);
  gap: 0.75rem 1rem;
  align-items: center;
}

.rooms-list-head {
  padding: 0 1rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 650;
}

.room-row {
  padding: 0.85rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  color: inherit;
  box-shadow: var(--shadow);
}

.room-row:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.room-row-name {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.room-row-name strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-row-preview {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-state {
  margin: 1.5rem;
  color: var(--muted);
}

body.is-room {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.room-title {
  display: grid;
  min-width: 0;
  flex: 1;
}

.room-title h1,
.room-title .muted {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-name-form {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.room-name-form input {
  width: min(14rem, 28vw);
  min-height: 2rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--text);
}

.header-status {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.arm-form {
  margin: 0;
}

.pane-tabs {
  display: none;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.pane-tab {
  flex: 1;
  border: 0;
  border-radius: 0;
  border-bottom: 2px solid transparent;
}

.pane-tab.is-active {
  border-bottom-color: var(--accent);
  font-weight: 650;
}

.room-workspace {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.5fr) minmax(0, 1.15fr);
}

.pane {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
}

.pane-thread {
  border-right: 0;
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.pane-scroll,
.run-log,
.conversation-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.pane-scroll {
  padding: 0.85rem;
  display: grid;
  align-content: start;
  gap: 0.65rem;
}

.event {
  padding: 0.75rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
}

.event p {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.event img {
  display: block;
  max-width: min(100%, 28rem);
  max-height: 20rem;
  margin-top: 0.5rem;
  border-radius: 0.45rem;
}

.conversation-list {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
}

.conversation-list li {
  padding: 0.65rem 0.7rem;
  border-radius: 0.5rem;
  cursor: pointer;
}

.conversation-list li:hover,
.conversation-list li.is-selected {
  background: var(--bg-muted);
}

.conversation-list li.is-selected {
  font-weight: 650;
}

.run-log {
  margin: 0;
  padding: 0.9rem 1rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  background: var(--bg);
}

.composer {
  display: grid;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.composer textarea {
  width: 100%;
  min-height: 5.5rem;
  resize: vertical;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

@media (max-width: 899px) {
  .rooms-list-head {
    display: none;
  }

  .rooms-list-head,
  .room-row {
    grid-template-columns: 1fr auto;
  }

  .room-row-preview {
    grid-column: 1 / -1;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .pane-tabs {
    display: flex;
  }

  .room-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr);
  }

  .room-workspace[data-mobile-pane="history"] .pane-conversations,
  .room-workspace[data-mobile-pane="history"] .pane-thread {
    display: none;
  }

  .room-workspace[data-mobile-pane="codex"] .pane-history {
    display: none;
  }

  .room-workspace[data-mobile-pane="codex"] {
    grid-template-rows: auto minmax(0, 1fr);
  }

  .pane {
    border-right: 0;
  }

  .pane-conversations {
    border-bottom: 1px solid var(--border);
    max-height: 38%;
  }

  .app-header {
    padding: 0.5rem 0.75rem;
  }

  body.is-room .app-header {
    display: grid;
    grid-template-columns: 1fr auto auto;
    grid-template-areas:
      "back arm theme"
      "title title title"
      "name name name"
      "status status status";
    align-items: center;
  }

  body.is-room .back { grid-area: back; }
  body.is-room .room-title {
    grid-area: title;
    flex: none;
  }
  body.is-room .room-name-form {
    grid-area: name;
  }
  body.is-room .room-name-form input {
    flex: 1;
    width: auto;
    min-width: 0;
  }
  body.is-room .header-status {
    grid-area: status;
    width: auto;
  }
  body.is-room .arm-form {
    grid-area: arm;
    margin-left: 0;
  }
  body.is-room .theme-toggle {
    grid-area: theme;
  }
}

@media (min-width: 900px) {
  .app-header {
    padding: 0.5rem 1.25rem;
  }

  .rooms-main {
    padding: 1.25rem 1.5rem 2rem;
  }
}