:root {
  --bg: var(--tg-theme-bg-color, #0f1117);
  --bg-secondary: var(--tg-theme-secondary-bg-color, #1a1d27);
  --text: var(--tg-theme-text-color, #eef0f4);
  --hint: var(--tg-theme-hint-color, #8b93a7);
  --link: var(--tg-theme-link-color, #6ea8fe);
  --button: var(--tg-theme-button-color, #3b82f6);
  --button-text: var(--tg-theme-button-text-color, #fff);
  --accent: #22c55e;
  --danger: #ef4444;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --nav-h: 64px;
  --header-h: 72px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom));
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header__title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo {
  font-size: 28px;
}

.header h1 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.2;
}

.header p {
  font-size: 12px;
  color: var(--hint);
}

.badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--hint);
}

#views {
  flex: 1;
  padding: 12px 16px 16px;
}

.view {
  display: none;
  animation: fade 0.2s ease;
}

.view.active {
  display: block;
}

@keyframes fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}

.card--hero {
  background: linear-gradient(135deg, color-mix(in srgb, var(--button) 18%, var(--bg-secondary)), var(--bg-secondary));
}

.card__title {
  font-size: 15px;
  margin-bottom: 6px;
}

.muted, .hint {
  color: var(--hint);
  font-size: 13px;
  line-height: 1.45;
}

.hint {
  margin-bottom: 12px;
}

.label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

textarea, input[type="search"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  padding: 12px;
  font: inherit;
  resize: vertical;
}

textarea:focus, input:focus {
  outline: 2px solid color-mix(in srgb, var(--button) 50%, transparent);
  border-color: var(--button);
}

.row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn {
  flex: 1;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn--primary {
  background: var(--button);
  color: var(--button-text);
}

.btn--secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--danger {
  background: color-mix(in srgb, var(--danger) 20%, var(--bg-secondary));
  color: #fecaca;
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.list-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
  width: 100%;
}

.list-item:active {
  background: color-mix(in srgb, var(--button) 8%, var(--bg-secondary));
}

.list-item__main {
  min-width: 0;
  flex: 1;
}

.list-item__title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item__sub {
  font-size: 12px;
  color: var(--hint);
  word-break: break-all;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}

.status-dot--idle { background: #6b7280; }
.status-dot--running { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.status-dot--error { background: var(--danger); }
.status-dot--cancelled { background: #eab308; }

.toolbar {
  margin-bottom: 12px;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
}

.chip--active {
  border-color: var(--button);
  background: color-mix(in srgb, var(--button) 15%, var(--bg));
}

.log__header {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.log__body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  max-height: 240px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--hint);
}

.log__body .tool {
  color: var(--link);
}

.log__body .error {
  color: #fca5a5;
}

.log__body .done {
  color: #86efac;
}

.nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 95%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
}

.nav__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  border: none;
  background: transparent;
  color: var(--hint);
  font-size: 10px;
  padding: 6px 4px;
  border-radius: 10px;
  cursor: pointer;
}

.nav__btn span {
  font-size: 18px;
}

.nav__btn.active {
  color: var(--button);
  background: color-mix(in srgb, var(--button) 10%, transparent);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + 16px);
  transform: translateX(-50%);
  background: #111827;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 100;
  max-width: calc(100% - 32px);
  text-align: center;
}

.empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--hint);
  font-size: 14px;
}

.session-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.session-actions .btn {
  flex: unset;
  padding: 8px 10px;
  font-size: 12px;
}