/* ================================================================
   Claude AI Assistant — Chat Widget & Embed Styles
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

:root {
  --claude-primary:       #5b5bd6;
  --claude-primary-hover: color-mix(in srgb, var(--claude-primary) 85%, #000);
  --claude-primary-light: color-mix(in srgb, var(--claude-primary) 12%, #fff);
  --claude-bg:            #ffffff;
  --claude-surface:       #f7f8fc;
  --claude-border:        rgba(0, 0, 0, 0.08);
  --claude-text:          #1c1c2e;
  --claude-text-muted:    #6e7191;
  --claude-user-bg:       var(--claude-primary);
  --claude-user-text:     #ffffff;
  --claude-ai-bg:         #f0f1f8;
  --claude-ai-text:       #1c1c2e;
  --claude-shadow:        0 24px 64px rgba(0, 0, 0, 0.14), 0 4px 16px rgba(0, 0, 0, 0.08);
  --claude-radius:        18px;
  --claude-msg-radius:    14px;
  --claude-font:          'DM Sans', system-ui, -apple-system, sans-serif;
  --claude-w:             380px;
  --claude-h:             560px;
}

/* ── Floating Widget Container ───────────────────────────────── */

.claude-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  font-family: var(--claude-font);
}

/* ── Toggle Button ────────────────────────────────────────────── */

.claude-toggle {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--claude-primary);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 24px color-mix(in srgb, var(--claude-primary) 45%, transparent),
              0 2px 8px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s cubic-bezier(.34,1.56,.64,1), box-shadow 0.2s ease;
  margin-left: auto;
  position: relative;
  z-index: 1;
}

.claude-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--claude-primary) 55%, transparent),
              0 2px 8px rgba(0, 0, 0, 0.14);
}

.claude-toggle:active { transform: scale(0.96); }

.claude-toggle-icon {
  color: #fff;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.claude-toggle-icon svg { width: 22px; height: 22px; }

/* Notification dot */
.claude-toggle::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid #fff;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.claude-widget.has-unread .claude-toggle::after { opacity: 1; }

/* ── Panel ────────────────────────────────────────────────────── */

.claude-panel {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  width: var(--claude-w);
  height: var(--claude-h);
  background: var(--claude-bg);
  border-radius: var(--claude-radius);
  box-shadow: var(--claude-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform-origin: bottom right;
  animation: claudePanelIn 0.28s cubic-bezier(.34,1.56,.64,1) forwards;
  border: 1px solid var(--claude-border);
}

.claude-panel[hidden] {
  display: none !important;
}

@keyframes claudePanelIn {
  from { opacity: 0; transform: scale(0.88) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── Embedded Chat ────────────────────────────────────────────── */

.claude-embed {
  width: 100%;
  height: var(--claude-embed-height, 520px);
  border-radius: var(--claude-radius);
  overflow: hidden;
  border: 1px solid var(--claude-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
  display: flex;
  flex-direction: column;
  font-family: var(--claude-font);
}

.claude-embed .claude-chat { height: 100%; }

/* ── Chat Component ───────────────────────────────────────────── */

.claude-chat {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--claude-bg);
  font-family: var(--claude-font);
  font-size: 14px;
  color: var(--claude-text);
}

/* ── Header ───────────────────────────────────────────────────── */

.claude-header {
  background: var(--claude-primary);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.claude-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.claude-avatar {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.claude-avatar svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.claude-header-title {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.claude-header-status {
  font-size: 11.5px;
  opacity: 0.85;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 1px;
}

.claude-status-dot {
  width: 7px;
  height: 7px;
  background: #a7f3b2;
  border-radius: 50%;
  display: inline-block;
  animation: claudePulse 2.4s infinite;
}

@keyframes claudePulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

.claude-clear-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  color: rgba(255,255,255,0.7);
  transition: color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
}

.claude-clear-btn:hover {
  color: #fff;
  background: rgba(255,255,255,0.15);
}

.claude-clear-btn svg { width: 17px; height: 17px; }

/* ── Messages Area ────────────────────────────────────────────── */

.claude-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.claude-messages::-webkit-scrollbar { width: 4px; }
.claude-messages::-webkit-scrollbar-track { background: transparent; }
.claude-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 4px; }

/* ── Message Bubbles ──────────────────────────────────────────── */

.claude-message {
  display: flex;
  gap: 8px;
  max-width: 88%;
  animation: claudeMsgIn 0.22s ease;
}

@keyframes claudeMsgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.claude-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.claude-message.assistant { align-self: flex-start; }

.claude-msg-bubble {
  padding: 10px 14px;
  border-radius: var(--claude-msg-radius);
  line-height: 1.55;
  word-break: break-word;
  font-size: 13.5px;
}

.claude-message.user .claude-msg-bubble {
  background: var(--claude-user-bg);
  color: var(--claude-user-text);
  border-bottom-right-radius: 4px;
}

.claude-message.assistant .claude-msg-bubble {
  background: var(--claude-ai-bg);
  color: var(--claude-ai-text);
  border-bottom-left-radius: 4px;
}

/* Markdown-ish rendering */
.claude-msg-bubble p { margin: 0 0 8px; }
.claude-msg-bubble p:last-child { margin-bottom: 0; }
.claude-msg-bubble ul, .claude-msg-bubble ol { margin: 6px 0 6px 18px; padding: 0; }
.claude-msg-bubble li { margin: 3px 0; }
.claude-msg-bubble code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  background: rgba(0,0,0,0.07);
  padding: 1px 5px;
  border-radius: 4px;
}
.claude-msg-bubble pre {
  background: rgba(0,0,0,0.05);
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  margin: 6px 0;
}
.claude-msg-bubble pre code { background: none; padding: 0; }
.claude-msg-bubble strong { font-weight: 600; }
.claude-msg-bubble h1, .claude-msg-bubble h2, .claude-msg-bubble h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 8px 0 4px;
}
.claude-message.user .claude-msg-bubble code { background: rgba(255,255,255,0.2); }

.claude-msg-time {
  font-size: 10.5px;
  color: var(--claude-text-muted);
  margin-top: 3px;
  padding: 0 4px;
  align-self: flex-end;
}

/* ── Welcome / System Messages ───────────────────────────────── */

.claude-message.system {
  align-self: center;
  max-width: 90%;
}

.claude-message.system .claude-msg-bubble {
  background: var(--claude-primary-light);
  color: var(--claude-primary-hover);
  font-size: 13px;
  text-align: center;
  border-radius: 10px;
  border: 1px dashed color-mix(in srgb, var(--claude-primary) 30%, transparent);
}

/* ── Typing Indicator ─────────────────────────────────────────── */

.claude-typing {
  padding: 6px 14px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--claude-text-muted);
  font-size: 12px;
  flex-shrink: 0;
}

.claude-typing-dots {
  display: flex;
  gap: 3px;
  align-items: center;
}

.claude-typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--claude-primary);
  border-radius: 50%;
  animation: claudeDot 1.2s infinite ease;
}

.claude-typing-dots span:nth-child(2) { animation-delay: 0.18s; }
.claude-typing-dots span:nth-child(3) { animation-delay: 0.36s; }

@keyframes claudeDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

/* ── Footer ───────────────────────────────────────────────────── */

.claude-footer {
  border-top: 1px solid var(--claude-border);
  padding: 10px 12px 8px;
  background: var(--claude-bg);
  flex-shrink: 0;
}

.claude-command-hint {
  background: var(--claude-primary-light);
  border: 1px solid color-mix(in srgb, var(--claude-primary) 25%, transparent);
  border-radius: 8px;
  padding: 6px 10px;
  margin-bottom: 8px;
  font-size: 12.5px;
  color: var(--claude-primary-hover);
}

.claude-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.claude-input {
  flex: 1;
  border: 1.5px solid var(--claude-border);
  border-radius: 12px;
  padding: 9px 13px;
  font-family: var(--claude-font);
  font-size: 13.5px;
  resize: none;
  outline: none;
  line-height: 1.5;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color 0.15s;
  color: var(--claude-text);
  background: var(--claude-surface);
  box-sizing: border-box;
  width: 100%;
}

.claude-input:focus {
  border-color: var(--claude-primary);
  background: #fff;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--claude-primary) 12%, transparent);
}

.claude-input::placeholder { color: var(--claude-text-muted); }

.claude-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--claude-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.15s;
  color: #fff;
}

.claude-send-btn:hover { background: var(--claude-primary-hover); transform: scale(1.05); }
.claude-send-btn:active { transform: scale(0.95); }
.claude-send-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.claude-send-btn svg { width: 16px; height: 16px; }

.claude-footer-note {
  text-align: center;
  font-size: 10.5px;
  color: var(--claude-text-muted);
  margin-top: 6px;
}

.claude-footer-note a { color: var(--claude-primary); text-decoration: none; }
.claude-footer-note a:hover { text-decoration: underline; }

/* ── Command Autocomplete ─────────────────────────────────────── */

.claude-autocomplete {
  position: absolute;
  bottom: 100%;
  left: 12px;
  right: 12px;
  background: #fff;
  border: 1px solid var(--claude-border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  overflow: hidden;
  z-index: 10;
  margin-bottom: 4px;
}

.claude-autocomplete-item {
  padding: 9px 13px;
  cursor: pointer;
  display: flex;
  gap: 10px;
  align-items: center;
  transition: background 0.1s;
  font-size: 13px;
}

.claude-autocomplete-item:hover,
.claude-autocomplete-item.active { background: var(--claude-primary-light); }

.claude-autocomplete-item code {
  font-family: monospace;
  font-size: 12px;
  color: var(--claude-primary);
  font-weight: 600;
  white-space: nowrap;
}

.claude-autocomplete-item span {
  color: var(--claude-text-muted);
  font-size: 12px;
}

/* ── Responsive ───────────────────────────────────────────────── */

@media (max-width: 480px) {
  .claude-widget {
    bottom: 16px;
    right: 16px;
  }

  .claude-panel {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    top: auto;
    width: 100%;
    height: 85vh;
    border-radius: var(--claude-radius) var(--claude-radius) 0 0;
    transform-origin: bottom center;
  }
}