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

:root {
  --bg:        #0d0d1a;
  --surface:   #14141f;
  --border:    #2a2a3e;
  --text:      #e0e0f0;
  --muted:     #7070a0;
  --claude:    #4a9eff;
  --gemini:    #34c759;
  --openai:    #b47eff;
  --allm:      #ff9500;
  --user:      #2d2d42;
  --input-bg:  #1a1a2e;
  --radius:    10px;
}

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

#app { display: flex; flex-direction: column; height: 100vh; }

/* Header */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--surface);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.logo { font-size: 1.3rem; font-weight: 700; letter-spacing: 2px; color: var(--claude); }
.tagline { font-size: 0.72rem; color: var(--muted); margin-left: 12px; }
header button {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 5px 14px; border-radius: 6px; cursor: pointer; font-size: 0.8rem;
  transition: all 0.2s;
}
header button:hover { border-color: var(--text); color: var(--text); }

/* AI Selector */
#aiSelector {
  display: flex; gap: 8px; padding: 10px 20px;
  background: var(--surface); border-bottom: 1px solid var(--border); flex-shrink: 0;
  flex-wrap: wrap;
}
.ai-btn {
  padding: 5px 14px; border-radius: 20px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-size: 0.8rem;
  transition: all 0.2s;
}
.ai-btn:hover { border-color: var(--text); color: var(--text); }
.ai-btn.active           { background: var(--border); color: var(--text); border-color: var(--text); }
.ai-btn.active.claude    { background: var(--claude);  color: #000; border-color: var(--claude); }
.ai-btn.active.gemini    { background: var(--gemini);  color: #000; border-color: var(--gemini); }
.ai-btn.active.openai    { background: var(--openai);  color: #fff; border-color: var(--openai); }
.ai-btn.active.anythingllm { background: var(--allm); color: #000; border-color: var(--allm); }

/* Chat */
#chat { flex: 1; overflow-y: auto; padding: 20px; scroll-behavior: smooth; }
#messages { display: flex; flex-direction: column; gap: 16px; }

/* Message bubbles */
.msg { max-width: 85%; display: flex; flex-direction: column; gap: 4px; }
.msg.user { align-self: flex-end; }
.msg.user .bubble {
  background: var(--user); border-radius: var(--radius) var(--radius) 2px var(--radius);
  padding: 10px 14px; color: var(--text); line-height: 1.5;
}
.msg.ai { align-self: flex-start; }
.msg-header { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--muted); }
.ai-badge {
  font-size: 0.7rem; font-weight: 600; padding: 2px 8px; border-radius: 10px;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.badge-claude    { background: rgba(74,158,255,0.15); color: var(--claude); border: 1px solid rgba(74,158,255,0.3); }
.badge-gemini    { background: rgba(52,199,89,0.15);  color: var(--gemini); border: 1px solid rgba(52,199,89,0.3); }
.badge-openai    { background: rgba(180,126,255,0.15);color: var(--openai); border: 1px solid rgba(180,126,255,0.3); }
.badge-anythingllm { background: rgba(255,149,0,0.15); color: var(--allm); border: 1px solid rgba(255,149,0,0.3); }

.bubble {
  border-radius: 2px var(--radius) var(--radius) var(--radius);
  padding: 12px 16px; line-height: 1.65; font-size: 0.9rem;
  border: 1px solid var(--border); background: var(--surface);
  white-space: pre-wrap; word-break: break-word;
}
.bubble-claude    { border-color: rgba(74,158,255,0.2); }
.bubble-gemini    { border-color: rgba(52,199,89,0.2); }
.bubble-openai    { border-color: rgba(180,126,255,0.2); }
.bubble-anythingllm { border-color: rgba(255,149,0,0.2); }
.bubble.error     { color: #ff6b6b; border-color: rgba(255,107,107,0.3); }

/* Code blocks inside bubbles */
.bubble code {
  background: rgba(255,255,255,0.07); border-radius: 4px;
  padding: 2px 6px; font-family: 'Fira Code', monospace; font-size: 0.85em;
}
.bubble pre {
  background: rgba(0,0,0,0.4); border-radius: 6px;
  padding: 12px; overflow-x: auto; margin: 8px 0;
}
.bubble pre code { background: none; padding: 0; }

/* Thinking indicator */
.thinking {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; font-size: 0.8rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 2px var(--radius) var(--radius) var(--radius);
  background: var(--surface);
}
.dots { display: flex; gap: 4px; }
.dots span {
  width: 5px; height: 5px; border-radius: 50%; background: var(--muted);
  animation: bounce 1.2s infinite;
}
.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%,80%,100%{transform:translateY(0)} 40%{transform:translateY(-6px)} }

/* Timestamp */
.ts { font-size: 0.68rem; color: var(--muted); align-self: flex-end; }

/* Status bar */
#statusBar {
  text-align: center; font-size: 0.75rem; color: var(--muted);
  padding: 4px; display: none;
}

/* Input */
#inputArea {
  display: flex; gap: 10px; padding: 14px 20px;
  background: var(--surface); border-top: 1px solid var(--border); flex-shrink: 0;
  align-items: flex-end;
}
#msgInput {
  flex: 1; background: var(--input-bg); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); padding: 10px 14px;
  font-size: 0.9rem; resize: none; max-height: 160px; line-height: 1.5;
  font-family: inherit; outline: none; transition: border-color 0.2s;
}
#msgInput:focus { border-color: var(--claude); }
#msgInput::placeholder { color: var(--muted); }
#sendBtn {
  background: var(--claude); color: #000; border: none; border-radius: var(--radius);
  padding: 10px 22px; font-weight: 600; cursor: pointer; font-size: 0.9rem;
  transition: opacity 0.2s; white-space: nowrap;
}
#sendBtn:hover { opacity: 0.85; }
#sendBtn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Instruction Manual */
#manual {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 20px;
}
.manual-title {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 1px;
  color: var(--claude); text-transform: uppercase; margin-bottom: 14px;
}
.manual-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.manual-section {}
.manual-heading {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--muted); margin-bottom: 8px;
  border-bottom: 1px solid var(--border); padding-bottom: 4px;
}
.manual-row {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 0.8rem; color: var(--text); padding: 3px 0;
}
.manual-row code {
  background: rgba(255,255,255,0.07); border-radius: 4px;
  padding: 1px 6px; font-family: 'Fira Code', monospace;
  font-size: 0.78rem; white-space: nowrap; flex-shrink: 0;
}
.manual-row em { color: var(--muted); font-style: normal; flex-shrink: 0; }
.manual-row span:last-child { color: var(--muted); font-size: 0.78rem; }

/* Execution Confirmation Modal */
#confirmModal {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.7); align-items: center; justify-content: center;
}
#confirmBox {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 28px; max-width: 480px; width: 90%;
}
#confirmTitle {
  font-size: 0.85rem; font-weight: 700; color: var(--claude);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
}
#confirmAi { font-size: 0.85rem; color: var(--muted); margin-bottom: 8px; }
#confirmCmd {
  background: rgba(0,0,0,0.4); border-radius: 6px; padding: 10px 14px;
  font-family: 'Fira Code', monospace; font-size: 0.82rem; color: var(--text);
  word-break: break-all; margin-bottom: 18px;
}
#confirmBtns { display: flex; gap: 10px; }
#confirmApprove {
  flex: 1; padding: 9px; background: #1a3a1a; border: 1px solid #34c759;
  color: #34c759; border-radius: 6px; cursor: pointer; font-size: 0.85rem; font-weight: 600;
  transition: background 0.2s;
}
#confirmApprove:hover { background: #1f4a1f; }
#confirmDeny {
  flex: 1; padding: 9px; background: #3a1a1a; border: 1px solid #ff6b6b;
  color: #ff6b6b; border-radius: 6px; cursor: pointer; font-size: 0.85rem; font-weight: 600;
  transition: background 0.2s;
}
#confirmDeny:hover { background: #4a1f1f; }

/* Scrollbar */
#chat::-webkit-scrollbar { width: 4px; }
#chat::-webkit-scrollbar-track { background: transparent; }
#chat::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Responsive */
@media (max-width: 600px) {
  .tagline { display: none; }
  .msg { max-width: 95%; }
  #inputArea { padding: 10px 12px; }
  #chat { padding: 12px; }
}