/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #1e1e2e;
  --bg-secondary: #252536;
  --bg-tertiary: #2d2d44;
  --bg-input: #1a1a2a;
  --bg-hover: #353550;
  --text-primary: #e0e0f0;
  --text-secondary: #9090b0;
  --text-muted: #606080;
  --accent: #7C3AED;
  --accent-hover: #6D28D9;
  --accent-light: rgba(124, 58, 237, 0.15);
  --success: #22C55E;
  --error: #EF4444;
  --warning: #F59E0B;
  --border: #3a3a52;
  --border-light: #44446a;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
}

html, body {
  width: 100%; height: 100%;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Screens ===== */
.screen { width: 100%; height: 100%; }

/* ===== Login Screen ===== */
.login-container {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%; padding: 24px;
  gap: 16px;
}
.logo { margin-bottom: 4px; }
.login-container h1 {
  font-size: 20px; font-weight: 700; color: var(--text-primary);
}
.subtitle {
  font-size: 12px; color: var(--text-secondary); text-align: center;
  max-width: 280px; line-height: 1.5;
}

/* Provider Tabs */
.provider-tabs {
  display: flex; gap: 8px; width: 100%; max-width: 320px;
}
.tab {
  flex: 1; padding: 10px 16px; border: 1px solid var(--border);
  background: var(--bg-secondary); color: var(--text-secondary);
  border-radius: var(--radius); cursor: pointer;
  font-size: 13px; font-weight: 600; transition: all 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.tab:hover { border-color: var(--border-light); color: var(--text-primary); }
.tab.active {
  border-color: var(--accent); background: var(--accent-light);
  color: var(--accent);
}
.tab-icon { font-size: 14px; }

/* Form */
.form-group {
  width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 6px;
}
.form-group label {
  font-size: 12px; font-weight: 600; color: var(--text-secondary);
}
.input-row { display: flex; gap: 6px; }
.input-row input, .input-row textarea { flex: 1; }

input[type="text"], input[type="password"], input[type="number"],
select, textarea {
  padding: 10px 12px; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); font-size: 13px; font-family: var(--font);
  outline: none; transition: border-color 0.15s; width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
select { cursor: pointer; }

input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px;
  background: var(--bg-tertiary); border-radius: 2px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px;
  background: var(--accent); border-radius: 50%; cursor: pointer;
}

.hint { font-size: 11px; color: var(--text-muted); }

/* Buttons */
.btn-primary {
  width: 100%; max-width: 320px; padding: 12px 20px;
  background: var(--accent); color: white; border: none;
  border-radius: var(--radius); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  padding: 8px 16px; background: var(--bg-tertiary);
  color: var(--text-primary); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 12px; cursor: pointer;
  transition: background 0.15s;
}
.btn-secondary:hover { background: var(--bg-hover); }

.icon-btn {
  background: none; border: none; color: var(--text-secondary);
  cursor: pointer; font-size: 16px; padding: 4px;
  border-radius: 4px; transition: color 0.15s, background 0.15s;
}
.icon-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.icon-btn.small { font-size: 14px; }
.icon-btn.tiny { font-size: 12px; padding: 2px; }

.error-msg {
  width: 100%; max-width: 320px; padding: 10px 12px;
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius); color: var(--error); font-size: 12px;
}

.login-footer {
  margin-top: 8px;
}
.login-footer p {
  font-size: 11px; color: var(--text-muted); text-align: center;
}

/* ===== Chat Screen ===== */
#chatScreen {
  display: flex; flex-direction: column; height: 100%;
}

/* Header */
.chat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 8px; }
.header-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted);
}
.header-dot.connected { background: var(--success); }
.header-title { font-weight: 700; font-size: 14px; }
.header-model { font-size: 11px; color: var(--text-muted); }
.header-right { display: flex; gap: 4px; }

/* Context Banner */
.context-banner {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; background: var(--accent-light);
  border-bottom: 1px solid var(--border); font-size: 12px;
  color: var(--text-secondary); flex-shrink: 0;
}
.context-icon { font-size: 14px; }

/* Messages */
.messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.messages::-webkit-scrollbar { width: 6px; }
.messages::-webkit-scrollbar-track { background: transparent; }
.messages::-webkit-scrollbar-thumb {
  background: var(--border); border-radius: 3px;
}

/* Welcome */
.welcome-msg {
  text-align: center; padding: 24px 0;
}
.welcome-msg p { color: var(--text-secondary); margin-bottom: 16px; font-size: 13px; }
.suggestions { display: flex; flex-direction: column; gap: 8px; }
.suggestion {
  padding: 10px 14px; background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); font-size: 12px; cursor: pointer;
  text-align: left; transition: all 0.15s;
}
.suggestion:hover { border-color: var(--accent); background: var(--accent-light); }

/* Message Bubbles */
.msg {
  display: flex; flex-direction: column; gap: 4px;
  max-width: 92%; animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

.msg.user { align-self: flex-end; }
.msg.assistant { align-self: flex-start; }

.msg-bubble {
  padding: 10px 14px; border-radius: var(--radius-lg);
  font-size: 13px; line-height: 1.55; word-wrap: break-word; overflow-wrap: break-word;
}
.msg.user .msg-bubble {
  background: var(--accent); color: white;
  border-bottom-right-radius: 4px;
}
.msg.assistant .msg-bubble {
  background: var(--bg-secondary); color: var(--text-primary);
  border: 1px solid var(--border); border-bottom-left-radius: 4px;
}

.msg-meta {
  font-size: 10px; color: var(--text-muted); padding: 0 4px;
}
.msg.user .msg-meta { text-align: right; }

/* Code blocks inside messages */
.msg-bubble pre {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; margin: 8px 0 4px;
  overflow-x: auto; font-family: var(--font-mono); font-size: 11px;
  line-height: 1.5;
}
.msg-bubble code {
  font-family: var(--font-mono); font-size: 11.5px;
  background: rgba(124,58,237,0.15); padding: 1px 5px;
  border-radius: 3px;
}
.msg-bubble pre code { background: none; padding: 0; }

/* Script execution block */
.script-block {
  margin: 8px 0; padding: 8px 12px;
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: 6px; font-size: 11px;
}
.script-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px; color: var(--text-muted);
}
.script-header .label { font-weight: 600; }
.script-result {
  padding: 6px 10px; border-radius: 4px; margin-top: 6px;
  font-family: var(--font-mono); font-size: 11px; line-height: 1.4;
}
.script-result.success { background: rgba(34,197,94,0.1); color: var(--success); }
.script-result.error { background: rgba(239,68,68,0.1); color: var(--error); }

.exec-btn {
  padding: 4px 10px; background: var(--accent); color: white;
  border: none; border-radius: 4px; font-size: 11px; cursor: pointer;
}
.exec-btn:hover { background: var(--accent-hover); }

/* Typing indicator */
.typing {
  display: flex; gap: 4px; padding: 12px 14px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); border-bottom-left-radius: 4px;
  width: fit-content;
}
.typing span {
  width: 7px; height: 7px; background: var(--text-muted);
  border-radius: 50%; animation: bounce 1.4s infinite ease-in-out;
}
.typing span:nth-child(1) { animation-delay: 0s; }
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Input Area */
.input-area {
  padding: 12px 14px; border-top: 1px solid var(--border);
  background: var(--bg-secondary); flex-shrink: 0;
}
.input-area .input-row { display: flex; gap: 8px; align-items: flex-end; }
.input-area textarea {
  flex: 1; padding: 10px 12px; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); font-size: 13px; font-family: var(--font);
  outline: none; resize: none; max-height: 120px; min-height: 38px;
  line-height: 1.4;
}
.input-area textarea:focus { border-color: var(--accent); }

.send-btn {
  width: 38px; height: 38px; background: var(--accent);
  color: white; border: none; border-radius: var(--radius);
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; transition: background 0.15s;
}
.send-btn:hover { background: var(--accent-hover); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.input-footer {
  display: flex; justify-content: space-between;
  padding: 6px 4px 0; font-size: 10px; color: var(--text-muted);
}

/* ===== Settings Modal ===== */
.modal {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 100; display: flex; align-items: center; justify-content: center;
}
.modal-backdrop {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
}
.modal-content {
  position: relative; background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px; width: 90%; max-width: 380px; max-height: 80%;
  overflow-y: auto; box-shadow: var(--shadow);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.modal-header h2 { font-size: 16px; font-weight: 700; }
.modal-body { display: flex; flex-direction: column; gap: 14px; }
.modal-body .form-group { max-width: none; }
.modal-body .btn-primary { max-width: none; }

/* Checkbox label */
.checkbox-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-primary); cursor: pointer;
}
input[type="checkbox"] {
  width: 16px; height: 16px; accent-color: var(--accent);
}