/* bot_hub/public/styles.css - Mobile-first Dark Design */
:root {
  --bg-main: #0d0f12;
  --bg-card: #16191f;
  --bg-input: #1e222a;
  --border: #282e38;
  --accent: #3b82f6;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --user-bubble: #2563eb;
  --assistant-bubble: #16191f;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body, html {
  width: 100%;
  height: 100%;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font);
  overflow: hidden;
}

.hidden {
  display: none !important;
}

/* Lock Screen */
.lock-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-main);
  z-index: 999;
  padding: 20px;
}

.lock-card {
  width: 100%;
  max-width: 320px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px 24px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.lock-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.lock-card h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.lock-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

#pin-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 1.5rem;
  letter-spacing: 8px;
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 16px;
  outline: none;
}

#pin-input:focus {
  border-color: var(--accent);
}

.primary-btn {
  width: 100%;
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
}

.error-msg {
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 10px;
  min-height: 1.2em;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  height: 100dvh;
}

/* Top Header */
.app-header {
  height: 56px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background-color: rgba(13, 15, 18, 0.95);
  backdrop-filter: blur(10px);
  z-index: 10;
  padding-top: env(safe-area-inset-top);
}

.project-dropdown {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  max-width: 240px;
}

.icon-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  padding: 8px;
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
}

.icon-btn:active {
  background-color: var(--bg-input);
}

/* Chat Stream */
.chat-stream {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.empty-state {
  margin: auto;
  text-align: center;
  color: var(--text-muted);
  padding: 20px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.empty-state h3 {
  color: var(--text-main);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 260px;
  margin: 0 auto;
}

/* Message Bubbles */
.msg-wrapper {
  display: flex;
  flex-direction: column;
  max-width: 90%;
  animation: fadeIn 0.2s ease;
}

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

.msg-wrapper.assistant {
  align-self: flex-start;
  max-width: 98%;
}

.msg-bubble {
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.45;
  word-break: break-word;
}

.msg-wrapper.user .msg-bubble {
  background-color: var(--user-bubble);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.msg-wrapper.assistant .msg-bubble {
  background-color: var(--assistant-bubble);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg-bubble img.attached-preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
  margin-bottom: 8px;
  display: block;
}

/* Markdown table styling */
.msg-bubble table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.85rem;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.msg-bubble th, .msg-bubble td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}

.msg-bubble th {
  background-color: rgba(255,255,255,0.05);
  font-weight: 600;
}

.msg-bubble tr:nth-child(even) {
  background-color: rgba(255,255,255,0.02);
}

.msg-bubble code {
  background-color: rgba(0,0,0,0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85em;
}

.msg-bubble pre {
  background-color: #050608;
  padding: 10px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 10px 0;
}

.msg-bubble ul, .msg-bubble ol {
  padding-left: 20px;
  margin: 8px 0;
}

/* Preview Bar */
.preview-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border);
}

.preview-wrapper {
  position: relative;
  width: 48px;
  height: 48px;
}

.preview-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.remove-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  background: #ef4444;
  color: white;
  border: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 12px;
  cursor: pointer;
}

.preview-caption {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Bottom Input Dock */
.app-dock {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px;
  background-color: rgba(13, 15, 18, 0.98);
  border-top: 1px solid var(--border);
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
}

.dock-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  padding: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.send-btn {
  background-color: var(--accent);
  color: white;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1rem;
}

.send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#prompt-input {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 18px;
  color: var(--text-main);
  font-size: 0.95rem;
  padding: 10px 14px;
  max-height: 120px;
  resize: none;
  outline: none;
  line-height: 1.3;
}

#prompt-input:focus {
  border-color: var(--accent);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}