:root {
  color-scheme: light;
  --cp-bg: #f7f4ef;
  --cp-bg-elevated: #fcfbf8;
  --cp-surface: #ffffff;
  --cp-surface-soft: #f5f5f5;
  --cp-border: #dedede;
  --cp-border-strong: #919191;
  --cp-text: #242424;
  --cp-text-muted: #5c5c5c;
  --cp-text-soft: #6f6f6f;
  --cp-accent: #b11f4b;
  --cp-accent-hover: #9a1a41;
  --cp-accent-soft: rgba(177, 31, 75, 0.08);
  --cp-accent-fg: #ffffff;
  --cp-success: #16a34a;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #0078d4;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(177, 31, 75, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --cp-bg: #3d3b3a;
    --cp-bg-elevated: #343231;
    --cp-surface: #292929;
    --cp-surface-soft: #2e2e2e;
    --cp-border: #474747;
    --cp-border-strong: #5f5f5f;
    --cp-text: #dedede;
    --cp-text-muted: #919191;
    --cp-text-soft: #b0b0b0;
    --cp-accent: #fd8ea1;
    --cp-accent-hover: #fb7b91;
    --cp-accent-soft: rgba(253, 142, 161, 0.14);
    --cp-accent-fg: #1a1a1a;
    --cp-success: #4ade80;
    --cp-danger: #f87171;
    --cp-warning: #fbbf24;
    --cp-link: #4da6ff;
    --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
    --cp-overlay: rgba(41, 41, 41, 0.88);
    --cp-panel: rgba(41, 41, 41, 0.72);
    --cp-panel-strong: rgba(41, 41, 41, 0.96);
    --cp-sheen: rgba(255, 255, 255, 0.04);
    --cp-highlight: rgba(253, 142, 161, 0.12);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface);
  color: var(--cp-text);
  padding: 0.6rem 0.85rem;
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: var(--cp-border-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.primary {
  background: var(--cp-accent);
  border-color: var(--cp-accent);
  color: var(--cp-accent-fg);
  font-weight: 700;
}

.primary:hover:not(:disabled) {
  background: var(--cp-accent-hover);
  border-color: var(--cp-accent-hover);
}

.ghost {
  background: transparent;
}

.danger {
  color: var(--cp-danger);
}

.success {
  color: var(--cp-success);
}

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

.app-shell {
  min-height: 100%;
}

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card,
.card,
.panel {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.14);
}

.login-card {
  width: min(100%, 420px);
  padding: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.brand-mark {
  width: 3rem;
  height: 3rem;
  border-radius: 0.625rem;
  display: grid;
  place-items: center;
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
  font-size: 1.8rem;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 1.55rem;
  margin-bottom: 0.15rem;
}

h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

label {
  display: block;
  color: var(--cp-text-muted);
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-bg-elevated);
  color: var(--cp-text);
  padding: 0.72rem 0.8rem;
}

textarea {
  min-height: 2.75rem;
  max-height: 10rem;
  resize: vertical;
}

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

.login-actions,
.row,
.toolbar,
.setting-control,
.action-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.login-actions {
  margin-top: 1rem;
}

.error,
.notice,
.offline {
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  margin: 0.75rem 0;
  padding: 0.7rem 0.8rem;
}

.error {
  background: var(--cp-highlight);
  color: var(--cp-danger);
}

.notice,
.offline {
  background: var(--cp-accent-soft);
  color: var(--cp-text);
}

.layout {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  background: var(--cp-panel-strong);
  border-bottom: 1px solid var(--cp-border);
  padding: env(safe-area-inset-top) 0.75rem 0;
}

.topbar-inner {
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 0.25rem;
}

.shell-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
}

.small-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.625rem;
  display: grid;
  place-items: center;
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
  font-weight: 800;
}

.desktop-nav {
  display: none;
  gap: 0.35rem;
}

.nav-button {
  background: transparent;
  color: var(--cp-text-muted);
}

.nav-button.active {
  background: var(--cp-accent-soft);
  color: var(--cp-text);
  border-color: var(--cp-accent);
}

.main {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 0.75rem 0.75rem 5.25rem;
  min-height: 0;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  padding: 0.45rem 0.5rem calc(0.45rem + env(safe-area-inset-bottom));
  background: var(--cp-panel-strong);
  border-top: 1px solid var(--cp-border);
}

.bottom-nav .nav-button {
  padding: 0.55rem 0.25rem;
  font-size: 0.92rem;
}

.view {
  min-height: calc(100vh - 9rem);
}

.chat-view {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: calc(100vh - 9rem);
}

.chat-list {
  overflow-y: auto;
  padding: 0.5rem 0.1rem 0.75rem;
}

.empty-state {
  color: var(--cp-text-muted);
  text-align: center;
  padding: 4rem 1rem;
}

.bubble-row {
  display: flex;
  margin: 0.45rem 0;
}

.bubble-row.user {
  justify-content: flex-end;
}

.bubble {
  max-width: min(78%, 42rem);
  border-radius: 16px;
  border: 1px solid var(--cp-border);
  padding: 0.72rem 0.85rem;
  background: var(--cp-surface);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.bubble-row.user .bubble {
  background: var(--cp-accent-soft);
  border-color: var(--cp-accent);
}

.meta {
  display: block;
  color: var(--cp-text-soft);
  font-size: 0.78rem;
  margin-top: 0.35rem;
  white-space: normal;
}

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: end;
  padding-top: 0.6rem;
  border-top: 1px solid var(--cp-border);
}

.thinking {
  text-align: center;
  color: var(--cp-text-muted);
  padding: 0.35rem;
}

.card {
  padding: 0.9rem;
  margin-bottom: 0.75rem;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.75rem;
}

.stat {
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  padding: 0.8rem;
}

.stat strong {
  display: block;
  font-size: 1.2rem;
}

.action,
.project,
.milestone,
.setting {
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  padding: 0.75rem;
  margin: 0.5rem 0;
  background: var(--cp-bg-elevated);
}

.action.overdue {
  border-color: var(--cp-danger);
  background: var(--cp-highlight);
}

.action-title,
.setting-title {
  font-weight: 700;
}

.action-meta,
.project-meta,
.milestone-meta,
.setting-help {
  color: var(--cp-text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
  white-space: pre-wrap;
}

.action-buttons {
  justify-content: flex-end;
  margin-top: 0.65rem;
}

details > summary {
  cursor: pointer;
  font-weight: 800;
}

.milestone {
  margin-left: 0.25rem;
}

.settings-list {
  display: grid;
  gap: 0.55rem;
}

.setting {
  display: grid;
  gap: 0.6rem;
}

.setting-control {
  justify-content: flex-end;
}

.setting-value {
  min-width: 4.5rem;
  text-align: center;
  font-weight: 800;
  font-family: Consolas, "Courier New", Courier, monospace;
}

.spinner {
  color: var(--cp-text-muted);
  padding: 2rem;
  text-align: center;
}

@media (min-width: 760px) {
  .layout {
    grid-template-rows: auto 1fr;
  }

  .desktop-nav {
    display: flex;
  }

  .bottom-nav {
    display: none;
  }

  .main {
    padding-bottom: 1rem;
  }

  .view,
  .chat-view {
    min-height: calc(100vh - 5.5rem);
  }

  .chat-list {
    max-height: calc(100vh - 13rem);
  }

  .setting {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}