/* ========================================
   Landing / Playground styles
   ======================================== */

/* Top bar: Agent config */
.top-bar {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.top-bar-left {
  flex: 1;
  min-width: 0;
}

.top-bar-left > label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.mcp-json-wrap {
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

.mcp-json {
  flex: 1;
  min-height: 36px;
  max-height: 140px;
  padding: 8px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  font-family: var(--font-mono);
  line-height: 1.5;
  outline: none;
  resize: vertical;
  transition: border-color 0.15s;
}

.mcp-json:focus {
  border-color: var(--primary);
}

.mcp-json::placeholder {
  color: var(--text-secondary);
  font-size: 11px;
}

.connect-btn {
  height: 36px;
  padding: 0 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.connect-btn:hover { background: var(--primary-light); }

.connect-btn.connected {
  background: var(--success);
}

.md-btn,
.code-btn {
  height: 36px;
  width: 44px;
  margin-top: 22px;
  padding: 0;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-weight: 700;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.md-btn {
  font-size: 13px;
}

.md-btn:hover {
  color: var(--primary-light);
  border-color: var(--primary);
}

.md-btn.active {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

/* Markdown context panel */
.md-panel {
  padding: 0 16px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.md-input {
  width: 100%;
  height: 120px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}

.md-input:focus {
  border-color: var(--primary);
}

.md-input::placeholder {
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 12px;
}

.code-btn {
  font-size: 14px;
}

.code-btn:hover {
  color: var(--primary-light);
  border-color: var(--primary);
}

/* Status bar */
.status-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--success);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
}

.status-bar.error {
  color: var(--error);
}

.status-bar.error .status-dot {
  background: var(--error);
}

/* Bottom bar: API Key */
.bottom-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  height: 56px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.bottom-bar label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.bottom-bar input#llm-key {
  flex: 1;
  min-width: 0;
}

.bottom-bar input {
  height: 36px;
  padding: 0 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
}

.bottom-bar input:focus,
.bottom-bar select:focus {
  border-color: var(--primary);
}

.bottom-bar input::placeholder {
  font-family: var(--font);
  color: var(--text-secondary);
}

.provider-badge {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.model-select {
  height: 36px;
  padding: 0 28px 0 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  flex-shrink: 0;
  min-width: 200px;
}

.model-select:focus {
  border-color: var(--primary);
}

.steps-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.steps-input {
  width: 44px;
  height: 36px;
  padding: 0 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-mono);
  text-align: center;
  outline: none;
  flex-shrink: 0;
  -moz-appearance: textfield;
}

.steps-input::-webkit-outer-spin-button,
.steps-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.steps-input:focus {
  border-color: var(--primary);
}

/* ========================================
   Code Mode — page transforms into code
   ======================================== */

/* Code blocks (hidden by default, shown in code mode) */
.code-block-inline,
.code-block-full {
  background: #0a0a14;
  border: 1px solid #1e1e32;
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: #e2e8f0;
  white-space: pre;
  overflow-x: auto;
  margin: 0;
  cursor: pointer;
  transition: border-color 0.15s;
}

.code-block-inline:hover,
.code-block-full:hover {
  border-color: var(--primary);
}

.code-block-full {
  flex: 1;
  overflow-y: auto;
  border-radius: 0;
  border-left: none;
  border-right: none;
}

/* Syntax colors */
.ck { color: #7dd3fc; }  /* key */
.cv { color: #86efac; }  /* value string */
.cn { color: #fbbf24; }  /* value number/bool */
.cp { color: #6b7280; }  /* punctuation */
.cc { color: #6b7280; font-style: italic; }  /* comment */
.cf { color: #c4b5fd; }  /* function/method */

/* Toggle logic */
#chat-root.code-active .input-mode { display: none !important; }
#chat-root.code-active .code-mode { display: block !important; }
#chat-root.code-active .chat-messages { display: none !important; }
#chat-root.code-active .chat-input-area { display: none !important; }

/* Code mode button active state */
#chat-root.code-active .code-btn {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

/* In code mode, md panel always shows if has content */
#chat-root.code-active .md-panel { display: block !important; }
#chat-root.code-active .md-panel .md-input { display: none; }
#chat-root.code-active .md-panel .code-mode { display: block !important; }

/* Click to copy feedback */
.code-block-inline.copied,
.code-block-full.copied {
  border-color: var(--success) !important;
}

/* Responsive */
@media (max-width: 600px) {
  .agent-inputs {
    flex-direction: column;
  }

  .bottom-bar {
    flex-wrap: wrap;
  }

  .bottom-bar input {
    width: 100%;
  }
}