/* CBON 全站推薦碼 banner + CTA 卡 共用樣式
 * --------------------------------------------------------------
 * 對應檔案：referral-capture.js（banner 行為）
 *           index.html           （referral-cta 首頁主入口）
 *           member-center.html   （分享按鈕組）
 * 作者：CBON 增長團隊
 */

:root {
  --cbon-orange: #ff6b35;
  --cbon-orange-2: #ffa726;
  --cbon-ink: #1f2937;
  --cbon-muted: #6b7280;
  --cbon-line: #e5e7eb;
  --cbon-paper: #fffaf2;
  --cbon-shadow: 0 12px 40px rgba(255, 107, 53, 0.18);
}

/* ---------- 全站 Banner ---------- */

.cbon-ref-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99999;
  background: linear-gradient(135deg, #ff6b35 0%, #ffa726 100%);
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", system-ui, sans-serif;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  animation: cbon-ref-slide-down 0.35s ease-out;
}

@keyframes cbon-ref-slide-down {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.cbon-ref-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cbon-ref-banner-text {
  flex: 1 1 auto;
  font-weight: 600;
  letter-spacing: 0;
}

.cbon-ref-banner-hint {
  font-size: 12px;
  opacity: 0.9;
  font-weight: 500;
}

.cbon-ref-banner-cta {
  flex: 0 0 auto;
  background: #fff;
  color: var(--cbon-orange);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  font-size: 13px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cbon-ref-banner-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cbon-ref-banner-close {
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.18);
  border: 0;
  color: #fff;
  width: 28px;
  height: 28px;
  line-height: 1;
  font-size: 20px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.15s ease;
}

.cbon-ref-banner-close:hover {
  background: rgba(255, 255, 255, 0.32);
}

/* 當 banner 出現，讓 sticky header / hero 區避讓 */
/*（各頁自行決定是否套用 body.cbon-ref-banner-shown selector） */
body.cbon-ref-banner-shown {
  padding-top: var(--cbon-ref-banner-top, 56px);
}

@media (max-width: 640px) {
  .cbon-ref-banner-inner { gap: 8px; padding: 8px 12px; font-size: 13px; }
  .cbon-ref-banner-hint { display: none; }
  .cbon-ref-banner-cta { font-size: 12px; padding: 5px 12px; }
}

/* ---------- 首頁 Hero CTA 卡 ---------- */

.referral-cta {
  position: relative;
  background: linear-gradient(135deg, #fff5ec 0%, #fffaf2 100%);
  padding: 40px 20px;
  overflow: hidden;
}

.referral-cta-shell {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 36px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.referral-cta-copy { padding: 8px 0; }

.referral-cta-eyebrow {
  display: inline-block;
  background: rgba(255, 107, 53, 0.12);
  color: var(--cbon-orange);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 14px;
}

.referral-cta-copy h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--cbon-ink);
  margin: 0 0 14px 0;
  line-height: 1.25;
  letter-spacing: 0;
  font-weight: 800;
}

.referral-cta-copy p {
  font-size: 15px;
  color: var(--cbon-muted);
  line-height: 1.7;
  margin: 0 0 22px 0;
}

.referral-cta-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.referral-cta-steps li {
  background: #fff;
  border: 1px solid #f3e3d6;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--cbon-ink);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.referral-cta-steps li strong {
  color: var(--cbon-orange);
  font-weight: 800;
  font-size: 15px;
}

.referral-cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.referral-cta-actions .btn-primary,
.referral-cta-actions .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  letter-spacing: 0;
}

.referral-cta-actions .btn-primary {
  background: linear-gradient(135deg, #ff6b35 0%, #ffa726 100%);
  color: #fff;
  border: 0;
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.32);
}

.referral-cta-actions .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(255, 107, 53, 0.42);
}

.referral-cta-actions .btn-ghost {
  background: transparent;
  color: var(--cbon-orange);
  border: 2px solid var(--cbon-orange);
}

.referral-cta-actions .btn-ghost:hover {
  background: rgba(255, 107, 53, 0.08);
  transform: translateY(-1px);
}

.referral-cta-visual {
  position: relative;
  height: 240px;
  display: grid;
  place-items: center;
}

.cta-coin {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff6b35 0%, #ffa726 100%);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(255, 107, 53, 0.32);
  animation: cbon-coin-float 4s ease-in-out infinite;
}

.cta-coin--lg { width: 140px; height: 140px; font-size: 38px; top: 30px; left: 10%; }
.cta-coin--md { width: 92px;  height: 92px;  font-size: 22px; bottom: 20px; right: 18%; animation-delay: 1.4s; }
.cta-coin--sm { width: 64px;  height: 64px;  font-size: 28px; top: 110px; right: 5%;  animation-delay: 2.6s; opacity: 0.85; }

@keyframes cbon-coin-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-12px) rotate(8deg); }
}

@media (max-width: 900px) {
  .referral-cta { padding: 32px 18px; }
  .referral-cta-shell { grid-template-columns: 1fr; gap: 20px; }
  .referral-cta-visual { height: 160px; }
  .cta-coin--lg { width: 96px; height: 96px; font-size: 26px; }
  .cta-coin--md { width: 64px; height: 64px; font-size: 16px; }
  .cta-coin--sm { width: 48px; height: 48px; font-size: 22px; }
  .referral-cta-actions .btn-primary,
  .referral-cta-actions .btn-ghost { padding: 11px 18px; font-size: 14px; }
}

@media (max-width: 560px) {
  .referral-cta-steps { grid-template-columns: 1fr; }
}

/* ---------- 會員中心 分享按鈕組 + 統計徽章 ---------- */

.cbon-share-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 16px 0 22px 0;
}

.cbon-share-stat {
  background: linear-gradient(135deg, #fff5ec 0%, #fffaf2 100%);
  border: 1px solid #f3e3d6;
  border-radius: 14px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cbon-share-stat-label {
  font-size: 12px;
  color: var(--cbon-muted);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cbon-share-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--cbon-orange);
  line-height: 1.1;
}

.cbon-share-stat-value small {
  font-size: 13px;
  color: var(--cbon-muted);
  font-weight: 600;
  margin-left: 4px;
}

.cbon-share-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 12px 0 0 0;
}

.cbon-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  color: #fff;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  letter-spacing: 0;
}

.cbon-share-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

.cbon-share-btn--wa   { background: #25d366; }
.cbon-share-btn--tg   { background: #26a5e4; }
.cbon-share-btn--fb   { background: #1877f2; }
.cbon-share-btn--x    { background: #0f1419; }
.cbon-share-btn--copy { background: linear-gradient(135deg, #ff6b35, #ffa726); }
.cbon-share-btn i     { font-size: 16px; }

.cbon-share-hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--cbon-muted);
  text-align: center;
  line-height: 1.6;
}

@media (max-width: 560px) {
  .cbon-share-buttons { grid-template-columns: 1fr; }
  .cbon-share-stats   { grid-template-columns: 1fr; }
}

/* 跟現有 member-center HTML 共存：把那塊做成可被注入的 wrapper */
#cbon-referral-share-wrap {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed #f3e3d6;
}