/* ============================================================
   ACGMC 睿信咨询 · 项目经理 AI 聊天组件
   主题: 白色 + 橙色 / 专业商务 / 轻量干净
   嵌入: www.acgmc.com 右下角浮窗
   ============================================================ */

:root {
  --cw-bg: #ffffff;
  --cw-surface: #ffffff;
  --cw-elevated: #f7f8fa;
  --cw-border: #e5e7eb;
  --cw-border-light: #d1d5db;

  --cw-primary: #023793;
  --cw-accent: #e8782a;
  --cw-accent-light: #f5964c;
  --cw-accent-dim: #c96a1e;
  --cw-accent-gradient: linear-gradient(135deg, #e8782a 0%, #f5964c 100%);

  --cw-text: #111827;
  --cw-text2: #6b7280;
  --cw-text3: #9ca3af;

  --cw-msg-user: #f3f4f6;
  --cw-msg-ai: #ffffff;
  --cw-msg-ai-border: #e5e7eb;

  --cw-radius: 20px;
  --cw-radius-sm: 14px;
  --cw-radius-xs: 8px;

  --cw-shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --cw-shadow: 0 4px 24px rgba(0,0,0,.08);
  --cw-shadow-lg: 0 20px 60px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06);

  --cw-font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --cw-duration: 0.25s;
  --cw-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --cw-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- Floating Button ---------- */
.cw-fab {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999998;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--cw-accent-gradient);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(232,120,42,.35), 0 2px 4px rgba(0,0,0,.1);
  transition: all var(--cw-duration) var(--cw-ease);
  font-size: 26px;
  color: #fff;
  animation: cw-fab-enter 0.6s var(--cw-spring) both;
}
@keyframes cw-fab-enter {
  from { opacity: 0; transform: scale(0.3) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.cw-fab::after {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(232,120,42,.25);
  animation: cw-fab-ripple 2.5s ease-out infinite;
  pointer-events: none;
}
@keyframes cw-fab-ripple {
  0%   { inset: -4px; opacity: 1; }
  100% { inset: -22px; opacity: 0; }
}
.cw-fab:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 8px 36px rgba(232,120,42,.5), 0 4px 8px rgba(0,0,0,.15);
}
.cw-fab:active { transform: scale(0.94); transition: transform 0.1s; }
.cw-fab svg { width: 28px; height: 28px; position: relative; z-index: 1; }

/* ---------- Chat Window ---------- */
.cw-window {
  position: fixed;
  bottom: 104px; right: 28px;
  z-index: 999999;
  width: 520px;
  height: 720px;
  max-height: calc(100vh - 140px);
  background: var(--cw-surface);
  border-radius: var(--cw-radius);
  box-shadow: var(--cw-shadow-lg);
  border: 1px solid var(--cw-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--cw-font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--cw-text);
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.25s var(--cw-ease),
              transform 0.35s var(--cw-spring);
}
.cw-window.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ---------- Header ---------- */
.cw-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--cw-elevated);
  border-bottom: 1px solid var(--cw-border);
  flex-shrink: 0;
}
.cw-header-logo {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--cw-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.cw-header-info { flex: 1; min-width: 0; }
.cw-header-name {
  font-size: 15px; font-weight: 600;
  color: var(--cw-text);
  letter-spacing: .01em;
}
.cw-header-status {
  font-size: 12px; color: #22c55e;
  display: flex; align-items: center; gap: 5px;
}
.cw-header-status::before {
  content: ""; width: 6px; height: 6px;
  border-radius: 50%; background: #22c55e;
  animation: cw-pulse 2s ease-in-out infinite;
}
@keyframes cw-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,.4); }
  50%      { opacity: .7; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
.cw-header-actions { display: flex; gap: 6px; }
.cw-header-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--cw-border);
  background: var(--cw-bg);
  color: var(--cw-text2);
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  transition: all var(--cw-duration);
}
.cw-header-btn:hover {
  border-color: var(--cw-accent);
  color: var(--cw-accent);
  background: rgba(232,120,42,.05);
}
.cw-back-btn {
  font-size: 12px;
  width: auto;
  padding: 0 8px;
  margin-left: auto;
}
.cw-close-btn {
  margin-left: 6px;
}

/* ---------- Messages Area ---------- */
.cw-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 14px;
  background: var(--cw-bg);
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
}
.cw-messages::-webkit-scrollbar { width: 4px; }
.cw-messages::-webkit-scrollbar-track { background: transparent; }
.cw-messages::-webkit-scrollbar-thumb {
  background: var(--cw-border-light);
  border-radius: 99px;
}
.cw-messages::-webkit-scrollbar-thumb:hover { background: #b0b5be; }

/* ---------- Welcome ---------- */
.cw-welcome {
  text-align: center;
  padding: 0;
  animation: cw-fadeIn .4s var(--cw-ease);
  background: var(--cw-primary);
  border-radius: var(--cw-radius);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.cw-welcome-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  background: var(--cw-accent-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 700;
  color: #fff;
  margin: 0 auto 18px;
  box-shadow: 0 8px 28px rgba(232,120,42,.25);
}
.cw-welcome-hero {
  padding: 40px 24px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 24px;
}
.cw-welcome-hero-title {
  font-size: 34px; font-weight: 700;
  color: #fff !important;
  margin: 0;
  line-height: 1.65;
}
.cw-welcome-logo {
  display: block;
  width: 70px;
  height: auto;
  margin: 0 0 16px;
}
.cw-welcome p {
  font-size: 14px; color: var(--cw-text2);
  line-height: 1.7;
  margin-bottom: 24px;
}
.cw-welcome .cw-welcome-hint {
  font-size: 13px;
  color: rgba(255,255,255,.7);
  margin: 6px 0 0;
  text-align: center;
  line-height: 1.6;
}
.cw-welcome-cta {
  display: flex;
  flex-direction: row;
  gap: 12px;
  width: 100%;
  max-width: 380px;
  margin: 0 auto 20px;
}
.cw-cta-diagnosis, .cw-cta-consult {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 12px;
  border-radius: var(--cw-radius-sm);
  cursor: pointer;
  text-align: left;
  font-family: var(--cw-font);
  transition: all var(--cw-duration) var(--cw-ease);
  flex: 1;
}
.cw-cta-diagnosis {
  background: var(--cw-accent-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 4px 20px rgba(232,120,42,.3);
  font-size: 14px; font-weight: 700;
}
.cw-cta-diagnosis:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232,120,42,.45);
}
.cw-cta-consult {
  background: var(--cw-bg);
  border: 1.5px solid var(--cw-border-light);
  color: var(--cw-text);
  font-size: 14px; font-weight: 600;
}
.cw-cta-consult:hover {
  border-color: var(--cw-accent);
  color: var(--cw-accent);
  background: rgba(232,120,42,.03);
  transform: translateY(-2px);
}
.cw-cta-icon { font-size: 20px; flex-shrink: 0; line-height: 1; }
.cw-cta-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.cw-cta-title { font-size: 16px; font-weight: 700; }
.cw-cta-desc { font-size: 12px; opacity: .7; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cw-welcome .cw-cta-diagnosis-sub { font-size: 12px; color: rgba(255,255,255,.75); margin: 0; line-height: 1.6; text-align: center; }

/* ---------- Welcome Chips ---------- */
.cw-welcome-chips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 16px 24px 24px;
  background: var(--cw-bg);
  border-radius: 0 0 var(--cw-radius) var(--cw-radius);
  flex-shrink: 0;
}
.cw-welcome-chip {
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--cw-elevated);
  border: 1px solid var(--cw-border);
  color: var(--cw-text2);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--cw-font);
  cursor: pointer;
  text-align: center;
  transition: all var(--cw-duration);
}
.cw-welcome-chip:hover {
  border-color: var(--cw-accent);
  color: var(--cw-accent);
  background: rgba(232,120,42,.05);
  transform: translateY(-1px);
}

/* ---------- Contact Card ---------- */
.cw-msg:has(.cw-contact-card) {
  max-width: 100%;
}
.cw-msg:has(.cw-contact-card) .cw-msg-bubble {
  width: 100%;
}
.cw-contact-card {
  padding: 4px 0;
}
.cw-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin-bottom: 6px;
  border-radius: var(--cw-radius-xs);
  background: var(--cw-elevated);
  border: 1px solid var(--cw-border);
}
.cw-contact-item-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--cw-accent-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}
.cw-contact-item-info {
  display: flex; flex-direction: column; gap: 1px;
}
.cw-contact-item-label {
  font-size: 11px; color: var(--cw-text3);
}
.cw-contact-item-value {
  font-size: 14px; font-weight: 600; color: var(--cw-text);
  user-select: all;
}
.cw-contact-qr-wrap {
  text-align: center;
  padding: 4px 0 2px;
  margin-bottom: 6px;
  -webkit-touch-callout: default;
}
/* ---------- Contact Fullscreen ---------- */
.cw-contact-overlay {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 100;
  background: var(--cw-bg);
  flex-direction: column;
  overflow-y: auto;
}
.cw-contact-full {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.cw-contact-full-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--cw-border);
  font-size: 15px;
  font-weight: 600;
  color: var(--cw-text);
  background: var(--cw-surface);
  flex-shrink: 0;
}
.cw-contact-back {
  background: none;
  border: none;
  color: var(--cw-primary);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 0;
  font-family: inherit;
}
.cw-contact-back:hover { opacity: 0.8; }
.cw-contact-full-body {
  flex: 1;
  padding: 24px 20px;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}
/* ---------- Lead Form ---------- */
.cw-lead-label {
  display: block;
  font-size: 13px;
  color: var(--cw-text2);
  margin-bottom: 4px;
  font-weight: 500;
}
.cw-lead-form-field { margin-bottom: 14px; }
.cw-lead-form-row { display: flex; gap: 8px; margin-bottom: 14px; }
.cw-lead-form-row .cw-lead-input { flex: 1; min-width: 0; }
.cw-lead-input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--cw-border);
  border-radius: var(--cw-radius-xs);
  font-size: 14px;
  outline: none;
  color: var(--cw-text);
  background: #fff;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.cw-lead-input:focus { border-color: var(--cw-primary); }
.cw-lead-input.error { border-color: #ef4444; }
.cw-lead-field-error { font-size: 11px; color: #ef4444; margin-top: 4px; display: block; }
.cw-lead-textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
  line-height: 1.5;
}
.cw-lead-submit {
  width: 100%;
  background: var(--cw-accent-gradient);
  color: #fff;
  border: none;
  border-radius: var(--cw-radius-xs);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s;
  margin-top: 4px;
}
.cw-lead-submit:hover { filter: brightness(1.1); }
.cw-lead-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.cw-lead-success { font-size: 13px; color: #16a34a; margin-top: 10px; font-weight: 600; text-align: center; }
.cw-lead-error { font-size: 12px; color: #ef4444; margin-top: 8px; text-align: center; }

.cw-contact-qr-img {
  width: 100px; height: 100px;
  border-radius: 8px;
  border: 1px solid var(--cw-border);
  display: block;
  margin: 0 auto;
  -webkit-touch-callout: default;
  user-select: auto;
}
.cw-contact-phone {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  margin-bottom: 6px;
  border-radius: var(--cw-radius-xs);
  background: var(--cw-elevated);
  border: 1px solid var(--cw-border);
  transition: all var(--cw-duration) var(--cw-ease);
}
.cw-contact-phone:hover,
.cw-contact-phone:active {
  background: var(--cw-accent-gradient);
  color: #fff;
}
.cw-contact-phone:hover .cw-contact-item-label,
.cw-contact-phone:active .cw-contact-item-label,
.cw-contact-phone:hover .cw-contact-item-value,
.cw-contact-phone:active .cw-contact-item-value {
  color: #fff;
}

/* ---------- Messages ---------- */
.cw-msg {
  display: flex;
  gap: 10px;
  max-width: 88%;
  animation: cw-fadeIn .3s var(--cw-ease);
}
@keyframes cw-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cw-msg.user     { align-self: flex-end; flex-direction: row-reverse; }
.cw-msg.assistant { align-self: flex-start; }

.cw-msg-avatar {
  width: 32px; height: 32px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  align-self: flex-end;
}
.cw-msg.user .cw-msg-avatar {
  background: var(--cw-elevated);
  color: var(--cw-text2);
  border: 1px solid var(--cw-border);
}
.cw-msg.assistant .cw-msg-avatar {
  background: transparent;
  color: #fff;
}

.cw-msg-body {
  display: flex; flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.cw-msg.user .cw-msg-body     { align-items: flex-end; }
.cw-msg.assistant .cw-msg-body { align-items: flex-start; }

.cw-msg-bubble {
  padding: 12px 16px;
  border-radius: var(--cw-radius-sm);
  font-size: 14px;
  line-height: 1.65;
  word-break: break-word;
  position: relative;
}
.cw-msg.user .cw-msg-bubble {
  background: var(--cw-msg-user);
  color: var(--cw-text);
  border: 1px solid var(--cw-border);
  border-bottom-right-radius: 4px;
}
.cw-msg.assistant .cw-msg-bubble {
  background: var(--cw-msg-ai);
  color: var(--cw-text);
  border: 1px solid var(--cw-msg-ai-border);
  border-bottom-left-radius: 4px;
}

.cw-msg-time {
  font-size: 11px;
  color: var(--cw-text3);
  padding: 0 4px;
}

/* Message actions */
.cw-msg-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--cw-duration);
  padding: 2px 4px;
}
.cw-msg.assistant:hover .cw-msg-actions { opacity: 1; }
.cw-msg-action {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--cw-border);
  background: var(--cw-elevated);
  color: var(--cw-text3);
  font-size: 11px;
  font-family: var(--cw-font);
  cursor: pointer;
  transition: all var(--cw-duration);
  display: flex; align-items: center; gap: 4px;
}
.cw-msg-action:hover {
  border-color: var(--cw-accent);
  color: var(--cw-accent);
}
.cw-msg-action.copied {
  border-color: #22c55e;
  color: #22c55e;
}

/* ---------- Markdown in Messages ---------- */
.cw-msg-bubble h1, .cw-msg-bubble h2, .cw-msg-bubble h3 {
  font-size: 15px; font-weight: 700;
  margin: 12px 0 6px;
  color: var(--cw-accent-dim);
}
.cw-msg-bubble h3:first-child, .cw-msg-bubble h2:first-child { margin-top: 0; }
.cw-msg-bubble p   { margin: 4px 0; }
.cw-msg-bubble ul, .cw-msg-bubble ol { padding-left: 18px; margin: 6px 0; }
.cw-msg-bubble li  { margin-bottom: 3px; }
.cw-msg-bubble strong { color: var(--cw-text); font-weight: 600; }
.cw-msg-bubble code {
  background: rgba(232,120,42,.08);
  padding: 1px 5px; border-radius: 4px;
  font-size: 13px; font-family: "SF Mono", "Fira Code", monospace;
  color: var(--cw-accent-dim);
}
.cw-msg-bubble pre {
  background: var(--cw-elevated);
  border: 1px solid var(--cw-border);
  border-radius: var(--cw-radius-xs);
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 12px; line-height: 1.5;
  margin: 8px 0;
}
.cw-msg-bubble pre code { background: none; padding: 0; color: var(--cw-text2); }
.cw-msg-bubble table {
  width: 100%; border-collapse: collapse;
  margin: 8px 0; font-size: 12px;
}
.cw-msg-bubble th {
  text-align: left; padding: 6px 10px;
  background: var(--cw-elevated);
  color: var(--cw-accent-dim);
  font-weight: 600;
  border-bottom: 1px solid var(--cw-border);
}
.cw-msg-bubble td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--cw-border);
  color: var(--cw-text2);
}
.cw-msg-bubble blockquote {
  border-left: 2px solid var(--cw-accent);
  padding: 6px 12px; margin: 8px 0;
  color: var(--cw-text2);
  background: rgba(232,120,42,.03);
  border-radius: 0 6px 6px 0;
}
.cw-msg-bubble hr {
  border: none; border-top: 1px solid var(--cw-border);
  margin: 12px 0;
}

/* ---------- Typing Indicator ---------- */
.cw-typing {
  display: flex; gap: 5px;
  padding: 14px 16px;
}
.cw-typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cw-accent-dim);
  animation: cw-typing 1.4s ease-in-out infinite;
}
.cw-typing span:nth-child(2) { animation-delay: .2s; }
.cw-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes cw-typing {
  0%, 60%, 100% { opacity: .2; transform: translateY(0); }
  30%            { opacity: 1;  transform: translateY(-6px); }
}

/* ---------- Input Area ---------- */
.cw-input-area {
  padding: 12px 14px;
  background: var(--cw-elevated);
  border-top: 1px solid var(--cw-border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  flex-shrink: 0;
}
.cw-input {
  flex: 1;
  border: 1px solid var(--cw-border);
  border-radius: 14px;
  padding: 10px 16px;
  font-size: 14px;
  font-family: var(--cw-font);
  resize: none;
  outline: none;
  max-height: 120px;
  line-height: 1.5;
  background: var(--cw-bg);
  color: var(--cw-text);
  transition: border-color var(--cw-duration), box-shadow var(--cw-duration);
}
.cw-input::placeholder { color: var(--cw-text3); }
.cw-input:focus {
  border-color: var(--cw-accent);
  box-shadow: 0 0 0 3px rgba(232,120,42,.1);
}
.cw-submit {
  width: 42px; height: 42px;
  border-radius: 12px;
  border: none;
  background: transparent;
  color: var(--cw-primary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--cw-duration);
  font-size: 16px;
}
.cw-submit:hover {
  transform: scale(1.1);
  color: #003d9e;
}
.cw-submit:active { transform: scale(.94); transition: transform 0.1s; }
.cw-submit:disabled {
  opacity: .25; cursor: not-allowed;
  transform: none;
}
.cw-submit.has-text {
  box-shadow: 0 4px 16px rgba(232,120,42,.4);
}

/* Stop button */
.cw-stop {
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--cw-border);
  background: var(--cw-bg);
  color: var(--cw-text2);
  cursor: pointer;
  display: none; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  transition: all var(--cw-duration);
}
.cw-stop.visible { display: flex; }
.cw-stop:hover { border-color: #ef4444; color: #ef4444; }

/* ---------- Footer ---------- */
.cw-footer {
  text-align: center;
  font-size: 11px;
  color: var(--cw-text3);
  padding: 6px 16px 8px;
  background: var(--cw-elevated);
  border-top: 1px solid var(--cw-border);
}
.cw-footer span { color: var(--cw-accent-dim); }

/* ---------- Diagnose Progress Bar ---------- */
.cw-diagnose-header {
  padding: 10px 12px 24px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--cw-border);
  min-height: 62px;
}
.cw-diagnose-progress {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 4px 0 8px;
}
.cw-phase-item {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}
.cw-phase-item::before,
.cw-phase-item::after {
  content: "";
  flex: 1;
  height: 2px;
  background: var(--cw-border);
  min-width: 4px;
  transition: background 0.3s var(--cw-ease);
}
.cw-phase-item:first-child::before { content: none; }
.cw-phase-item:last-child::after { content: none; }
.cw-phase-item.active::before,
.cw-phase-item.done::before { background: var(--cw-primary); }
.cw-phase-label {
  font-size: 15px;
  color: var(--cw-text3);
  white-space: nowrap;
  flex-shrink: 0;
  padding: 0 8px;
  transition: color 0.3s var(--cw-ease);
  font-weight: 500;
}
.cw-phase-label.active,
.cw-phase-label.done {
  color: var(--cw-primary);
  font-weight: 600;
}

/* ---------- Full-Screen Diagnosis Panel ---------- */
.cw-diag-fullscreen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 8px 0;
  overflow-y: auto;
}

/* ---------- Diagnosis Options Card ---------- */
.cw-diag-options-card {
  padding: 4px 0;
}
.cw-diag-options-intro {
  font-size: 14px;
  color: var(--cw-text);
  margin: 0 0 16px;
  line-height: 1.6;
}
.cw-diag-option-group {
  margin-bottom: 14px;
}
.cw-diag-option-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--cw-primary);
  margin-bottom: 8px;
}
.cw-diag-multi-hint {
  font-weight: 400;
  font-size: 11px;
  color: var(--cw-text3);
  margin-left: 4px;
}
.cw-diag-option-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cw-diag-chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 16px;
  border: 1px solid var(--cw-border);
  background: var(--cw-bg);
  color: var(--cw-text2);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s var(--cw-ease);
  user-select: none;
}
.cw-diag-chip:hover {
  border-color: var(--cw-primary);
  color: var(--cw-primary);
  background: rgba(30,58,95,.06);
}
.cw-diag-chip.selected {
  border-color: var(--cw-primary);
  background: var(--cw-primary);
  color: #fff;
}
.cw-diag-confirm-btn {
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 12px;
  border: none;
  border-radius: var(--cw-radius-sm);
  background: var(--cw-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s var(--cw-ease);
}
.cw-diag-confirm-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.cw-diag-confirm-btn:not(:disabled):hover {
  filter: brightness(1.15);
}

/* ---------- Report Content ---------- */
.cw-report {
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- Report CTA Section ---------- */
.cw-report-cta-section {
  margin-top: 16px;
}
.cw-report-cta-section-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}
/* Clickable cards */
.cw-report-cta-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #f8fafc 0%, #f0f4f8 100%);
  border: 1px solid var(--cw-border);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.cw-report-cta-card:first-of-type { border-radius: var(--cw-radius-sm) var(--cw-radius-sm) 0 0; }
.cw-report-cta-card:last-of-type { border-radius: 0 0 var(--cw-radius-sm) var(--cw-radius-sm); }
.cw-report-cta-card:hover {
  background: linear-gradient(135deg, #eff6ff 0%, #e8f0fe 100%);
  border-color: var(--cw-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.cw-report-cta-card.expanded {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-color: var(--cw-primary);
  border-radius: var(--cw-radius-sm) var(--cw-radius-sm) 0 0 !important;
}
.cw-report-cta-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 40px;
  text-align: center;
}
.cw-report-cta-content { flex: 1; min-width: 0; }
.cw-report-cta-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--cw-text);
  margin-bottom: 2px;
}
.cw-report-cta-desc {
  font-size: 12px;
  color: var(--cw-text2);
  line-height: 1.4;
}
.cw-report-cta-arrow {
  font-size: 12px;
  color: var(--cw-text3);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.cw-report-cta-card.expanded .cw-report-cta-arrow {
  transform: rotate(90deg);
}
/* Email form — expands below download card */
.cw-report-cta-email-form {
  background: #fff;
  border: 1px solid var(--cw-primary);
  border-top: none;
  border-radius: 0 0 var(--cw-radius-sm) var(--cw-radius-sm);
  padding: 14px 16px;
}
.cw-report-cta-email-row {
  display: flex;
  gap: 8px;
}
.cw-report-cta-email {
  flex: 1;
  border: 1px solid var(--cw-border);
  border-radius: var(--cw-radius-xs);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  background: #f9fafb;
  color: var(--cw-text);
}
.cw-report-cta-email:focus {
  border-color: var(--cw-primary);
}
.cw-report-cta-email.error {
  border-color: #ef4444;
  animation: cw-shake 0.4s ease;
}
.cw-report-cta-submit {
  background: var(--cw-primary);
  color: #fff;
  border: none;
  border-radius: var(--cw-radius-xs);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.cw-report-cta-submit:hover { opacity: 0.9; }
.cw-report-cta-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.cw-report-cta-success {
  font-size: 13px;
  color: #16a34a;
  margin-top: 8px;
  font-weight: 600;
}
.cw-report-cta-error {
  font-size: 12px;
  color: #ef4444;
  margin-top: 8px;
}
.cw-report-cta-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cw-text3);
  font-size: 12px;
  margin: 4px 16px;
}
.cw-report-cta-divider::before,
.cw-report-cta-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--cw-border);
}

@keyframes cw-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ---------- System Message ---------- */
.cw-system-msg {
  text-align: center;
  font-size: 12px;
  color: var(--cw-text3);
  padding: 4px 0;
}
.cw-system-msg span {
  background: var(--cw-elevated);
  border: 1px solid var(--cw-border);
  padding: 4px 14px;
  border-radius: 99px;
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  .cw-window {
    width: 100vw; height: 100vh;
    max-height: 100vh;
    bottom: 0; right: 0;
    border-radius: 0;
    border: none;
  }
  .cw-window.open { border-radius: 0; }
  .cw-fab { width: 56px; height: 56px; bottom: 20px; right: 20px; }
  .cw-fab svg { width: 24px; height: 24px; }

  /* Header */
  .cw-header { padding: 8px 10px; gap: 8px; }
  .cw-header-logo { width: 32px; height: 32px; font-size: 16px; }
  .cw-header-name { font-size: 13px; }
  .cw-header-status { font-size: 10px; }
  .cw-logo-title { font-size: 14px; }
  .cw-logo-subtitle { font-size: 10px; }
  .cw-header-actions button { font-size: 12px; padding: 3px 8px; }

  /* Messages */
  .cw-messages { padding: 8px 4px; gap: 6px; min-height: 0; }
  .cw-msg { max-width: 95%; }
  .cw-msg-avatar { width: 28px; height: 28px; font-size: 14px; }
  .cw-msg-avatar img { width: 24px !important; height: 24px !important; }
  .cw-msg-bubble { font-size: 13px; padding: 8px 12px; }
  .cw-msg-time { font-size: 10px; }

  /* Welcome */
  .cw-welcome { min-height: 100%; display: flex; flex-direction: column; }
  .cw-welcome-hero { padding: 20px 12px; gap: 12px; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; }
  .cw-welcome-hero > * { flex-shrink: 0; }
  .cw-welcome-hero-title { font-size: 19px; line-height: 1.75; }
  .cw-welcome .cw-cta-diagnosis-sub { font-size: 12px; margin-bottom: 8px; }
  .cw-welcome-cta { flex-direction: column; max-width: 180px; gap: 24px; }
  .cw-cta-diagnosis, .cw-cta-consult { padding: 10px 12px; flex: none; justify-content: center; gap: 8px; }
  .cw-cta-icon { font-size: 16px; position: relative; left: -6px; }
  .cw-cta-title { font-size: 13px; }
  .cw-cta-desc { font-size: 10px; }
  .cw-welcome-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 14px 12px; background: var(--cw-bg); border-radius: 0; flex-shrink: 0; }
  .cw-welcome-chip { font-size: 13px; padding: 10px 12px; text-align: center; white-space: nowrap; }
  .cw-welcome-hint { font-size: 11px; }

  /* Input */
  .cw-input-area { padding: 6px 6px; gap: 4px; }
  .cw-input { font-size: 13px; padding: 8px 10px; }
  .cw-submit-btn { width: 36px; height: 36px; }
  .cw-stop-btn { width: 32px; height: 32px; }

  /* Diagnosis */
  .cw-diagnose-header { padding: 6px 8px; margin-bottom: 2px; min-height: 0; }
  .cw-phase-label { font-size: 11px; }
  .cw-diag-fullscreen { padding: 0; flex: 1; min-height: 0; overflow-y: auto; }
  .cw-diag-options-card { padding: 10px 6px; margin: 0; }
  .cw-diag-options-intro { font-size: 12px; margin-bottom: 10px; }
  .cw-diag-option-group { margin-bottom: 10px; }
  .cw-diag-option-title { font-size: 11px; margin-bottom: 6px; }
  .cw-diag-option-chips { gap: 5px; }
  .cw-diag-chip { font-size: 11px; padding: 4px 8px; }
  .cw-diag-confirm-btn { font-size: 13px; padding: 8px; margin-top: 6px; }

  /* Diagnosis progress */
  .cw-diagnose-progress { gap: 4px; padding: 2px 0 6px; }
  .cw-phase-item { font-size: 10px; }

  /* Lead form */
  .cw-lead-overlay-inner { width: 95vw; max-width: 100%; padding: 16px 12px; }
  .cw-lead-title { font-size: 15px; }
  .cw-lead-field input { font-size: 13px; padding: 8px 10px; }
  .cw-lead-submit { font-size: 13px; padding: 8px; }

  /* Report CTA */
  .cw-report-cta-card { padding: 10px 12px; gap: 8px; }
  .cw-report-cta-icon { font-size: 22px; width: 30px; }
  .cw-report-cta-title { font-size: 12px; }
  .cw-report-cta-desc { font-size: 10px; }
  .cw-report-cta-arrow { font-size: 9px; }
  .cw-report-cta-email-form { padding: 8px 10px; }
  .cw-report-cta-email { font-size: 11px; padding: 6px 8px; }
  .cw-report-cta-submit { font-size: 11px; padding: 6px 10px; }
  .cw-report-cta-divider { font-size: 10px; margin: 2px 10px; }

  /* Action buttons */
  .cw-msg-actions button { font-size: 10px; padding: 3px 7px; }
}