#csai-app { max-width: 900px; }

.login-bar {
  margin-bottom: 13px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  background: var(--vp-c-gray-soft);
  border: 1px solid var(--vp-c-divider);
  color: var(--vp-c-text-2);
}
.login-bar.logged-in {
  background: var(--vp-c-green-soft);
  border-color: var(--vp-c-green-2);
  color: var(--vp-c-green-1);
}

.quota-bar {
  margin-bottom: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  background: var(--vp-c-bg-soft);
  border: 1px solid var(--vp-c-divider);
  color: var(--vp-c-text-2);
}
.quota-bar.hidden { display: none; }

.tab-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tab-btn {
  padding: 8px 20px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 8px;
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-2);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.tab-btn.active {
  background: var(--vp-c-brand-1);
  color: #fff !important;
  border-color: var(--vp-c-brand-1);
}
.tab-panel.hidden { display: none; }

.input-row { margin-bottom: 10px; }
.input-row input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 8px;
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-1);
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
}
.input-row input:focus { border-color: var(--vp-c-brand-1); }

.btn-hint {
  font-size: 12px;
  color: var(--vp-c-text-3);
  margin-bottom: 6px;
  text-align: center;
  opacity: 0.7;
}

.btn-row { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.btn-row button {
  flex: 1;
  min-width: 140px;
  padding: 10px 16px;
  background: var(--vp-c-brand-1);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
.btn-row button:hover { background: var(--vp-c-brand-2); }
.btn-row button:disabled { background: var(--vp-c-gray-2); cursor: not-allowed; }
.btn-test { background: var(--vp-c-gray-3) !important; color: var(--vp-c-text-2) !important; }

.status-line { font-size: 13px; min-height: 18px; margin-bottom: 10px; }

.global-spinner { display: flex; justify-content: center; padding: 40px 0; }
.global-spinner.hidden { display: none; }
.global-spin {
  width: 48px;
  height: 48px;
  border: 4px solid var(--vp-c-divider);
  border-top-color: var(--vp-c-brand-1);
  border-radius: 50%;
  animation: csai-spin 0.8s linear infinite;
}
@keyframes csai-spin { to { transform: rotate(360deg); } }

.mode-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 12px;
  padding: 8px 16px;
  background: var(--vp-c-bg-soft);
  border-radius: 8px;
  border: 1px solid var(--vp-c-divider);
}
.mode-row.hidden { display: none; }
.mode-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
  color: var(--vp-c-text-2);
}
.mode-label input[type="radio"] { accent-color: var(--vp-c-brand-1); }
.mode-label input[type="radio"]:checked + span { color: var(--vp-c-brand-1); font-weight: 500; }

.result-area { text-align: center; }
.result-area.hidden { display: none; }
.result-area .hidden { display: none !important; }
.result-image {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--vp-c-divider);
}
.action-row { display: flex; gap: 10px; justify-content: center; margin-top: 12px; }
.action-row.hidden { display: none; }
.action-btn {
  padding: 8px 18px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 8px;
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-1);
  font-size: 13px;
  cursor: pointer;
}
.action-btn:hover { background: var(--vp-c-brand-1); color: #fff; border-color: var(--vp-c-brand-1); }

#csai-iframe { background: #0f0f1a; border-radius: 12px; }