/**
 * 众水不灭 · 雅歌之印 (Love Universe)
 * 文件名: css/icebreaker.css
 * 作用: 破冰与情感信号箱视觉渲染体系 (晨雾平复滤镜、信笺展卷、全屏沉浸和解覆盖层、呼吸胶囊、和好足迹备忘录与双视角高对比度自适应)
 */

/* ================= 1. 页面常驻信号交互卡片区域 ================= */
.icebreaker-section {
  margin-bottom: 45px;
  contain: layout style;
  width: 100%;
}

.icebreaker-card {
  background: var(--bg-card, rgba(15, 23, 42, 0.75));
  border: 1.5px solid var(--border-card, rgba(245, 158, 11, 0.35));
  border-radius: 24px;
  padding: 24px 20px;
  box-shadow: var(--card-shadow, 0 16px 36px rgba(0, 0, 0, 0.4));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  contain: content;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  transition: all 0.3s ease;
}

.icebreaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

/* 信号触发动作按钮 */
.icebreaker-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid var(--border-card, rgba(255, 255, 255, 0.1));
  cursor: pointer;
  user-select: none;
  transition: all 0.25s var(--ease-spring);
  color: var(--text-main, #f8fafc);
  text-align: center;
}

.icebreaker-btn:hover {
  transform: translateY(-2px) scale(1.02);
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-gold, #f59e0b);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.2);
}

.icebreaker-btn:active {
  transform: scale(0.98);
}

.icebreaker-btn__icon {
  font-size: 28px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.icebreaker-btn__label {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.icebreaker-btn__desc {
  font-size: 11px;
  color: var(--text-sub, #94a3b8);
  line-height: 1.3;
}

/* ================= 2. 顶部微光通知胶囊横幅 ================= */
.icebreaker-banner {
  position: fixed;
  top: max(20px, env(safe-area-inset-top, 20px));
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  z-index: 59000;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: 30px;
  background: rgba(15, 23, 42, 0.92);
  border: 1.5px solid #f59e0b;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 24px rgba(245, 158, 11, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: calc(100vw - 32px);
}

.icebreaker-banner.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

.icebreaker-banner__icon {
  font-size: 22px;
  animation: bannerHeartBeat 1.8s infinite ease-in-out;
}

@keyframes bannerHeartBeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.icebreaker-banner__text {
  font-size: 13px;
  font-weight: 800;
  color: #fde68a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.icebreaker-banner__arrow {
  font-size: 12px;
  color: #ffffff;
  background: rgba(245, 158, 11, 0.4);
  padding: 2px 8px;
  border-radius: 12px;
}

/* ================= 3. 沉浸式全屏和解空间覆盖层 ================= */
.icebreaker-modal {
  position: fixed;
  inset: 0;
  z-index: 60000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(7, 10, 20, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s;
}

.icebreaker-modal.active {
  opacity: 1;
  visibility: visible;
}

.icebreaker-modal__dialog {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card, rgba(15, 23, 42, 0.95));
  border: 1.5px solid var(--border-card, rgba(245, 158, 11, 0.4));
  border-radius: 28px;
  padding: 28px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 35px var(--accent-gold-glow, rgba(245, 158, 11, 0.25));
  text-align: center;
  position: relative;
  overflow: hidden;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s var(--ease-spring);
}

.icebreaker-modal.active .icebreaker-modal__dialog {
  transform: scale(1) translateY(0);
}

.icebreaker-modal__badge {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--accent-gold, #fde68a);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 3px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 12px;
}

.icebreaker-modal__title {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-hero, #ffffff);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

/* ================= 4. 纸笺展卷动效 ================= */
.icebreaker-letter {
  background: var(--confession-bg, rgba(255, 253, 245, 0.96));
  border: 1.5px dashed var(--confession-border, rgba(254, 205, 211, 0.6));
  border-radius: 18px;
  padding: 18px 16px;
  color: var(--confession-text, #374151);
  margin: 16px 0 22px 0;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05);
  transform-origin: top center;
  animation: letterUnfoldAnim 0.6s var(--ease-spring);
}

@keyframes letterUnfoldAnim {
  0% {
    opacity: 0;
    transform: perspective(600px) rotateX(-20deg) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: perspective(600px) rotateX(0deg) scale(1);
  }
}

.icebreaker-letter__quote {
  font-size: 14.5px;
  line-height: 1.75;
  font-weight: 700;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif, sans-serif;
}

/* 情绪冷静期倒计时锁 */
.icebreaker-cooling-box {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 14px;
  padding: 12px;
  margin: 12px 0;
  font-size: 12.5px;
  color: #7dd3fc;
  font-weight: 800;
}

.icebreaker-cooling-timer {
  font-size: 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: #38bdf8;
  margin-top: 4px;
}

.icebreaker-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.icebreaker-btn-primary {
  width: 100%;
  padding: 13px 20px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 900;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 6px 20px var(--sun-gold-glow, rgba(245, 158, 11, 0.35));
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.icebreaker-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(245, 158, 11, 0.5);
}

.icebreaker-btn-secondary {
  width: 100%;
  padding: 11px 20px;
  border-radius: 14px;
  font-size: 13.5px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-sub, #94a3b8);
  border: 1px solid var(--border-card, rgba(255, 255, 255, 0.12));
  cursor: pointer;
  transition: all 0.2s ease;
}

.icebreaker-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-main, #ffffff);
}

.icebreaker-modal--mutual .icebreaker-modal__dialog {
  border-color: #f43f5e !important;
  box-shadow: 0 24px 60px rgba(244, 63, 94, 0.35), 0 0 40px rgba(245, 158, 11, 0.4) !important;
  animation: mutualPulse 2s infinite ease-in-out;
}

@keyframes mutualPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* ================= 🌟 5. 破冰与和好足迹备忘录 (Batch 3 新增) ================= */
.icebreaker-history-wrap {
  margin-top: 24px;
  border-top: 1px dashed var(--border-card, rgba(245, 158, 11, 0.25));
  padding-top: 20px;
}

.icebreaker-history-title {
  font-size: 14px;
  font-weight: 900;
  color: var(--accent-gold, #fde68a);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}

.icebreaker-history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
  -webkit-overflow-scrolling: touch;
}

.icebreaker-history-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-card, rgba(255, 255, 255, 0.08));
  border-radius: 14px;
  padding: 12px 14px;
  transition: all 0.2s ease;
}

.icebreaker-history-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-gold, #f59e0b);
}

.icebreaker-history-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.icebreaker-history-badge {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--accent-gold, #fde68a);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 2px 8px;
  border-radius: 10px;
}

.icebreaker-history-date {
  font-size: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--text-sub, #94a3b8);
  font-weight: 700;
}

.icebreaker-history-summary {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main, #f8fafc);
  line-height: 1.5;
  margin-bottom: 8px;
}

.icebreaker-history-item__footer {
  display: flex;
  justify-content: flex-end;
}

.icebreaker-history-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 800;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-gold, #fde68a);
  cursor: pointer;
  transition: all 0.2s ease;
}

.icebreaker-history-btn:hover {
  background: rgba(245, 158, 11, 0.3);
  transform: scale(1.03);
}

.icebreaker-history-empty {
  padding: 16px 12px;
  text-align: center;
  color: var(--text-sub, #94a3b8);
  font-size: 12px;
  line-height: 1.6;
}

/* ================= 6. 👧 女生浅色主题高清晰渲染规则 ================= */
body[data-theme-type="light"] .icebreaker-card {
  background: var(--bg-card, rgba(255, 255, 255, 0.95)) !important;
  border-color: var(--border-card, rgba(180, 83, 9, 0.35)) !important;
  box-shadow: var(--card-shadow, 0 16px 36px rgba(120, 53, 15, 0.12)) !important;
}

body[data-theme-type="light"] .icebreaker-btn {
  background: rgba(0, 0, 0, 0.03) !important;
  border-color: var(--border-card, rgba(180, 83, 9, 0.25)) !important;
  color: var(--text-main, #451a03) !important;
}

body[data-theme-type="light"] .icebreaker-btn:hover {
  background: rgba(180, 83, 9, 0.1) !important;
  border-color: var(--accent-gold, #b45309) !important;
}

body[data-theme-type="light"] .icebreaker-btn__desc {
  color: var(--text-sub, #78350f) !important;
}

body[data-theme-type="light"] .icebreaker-banner {
  background: rgba(255, 255, 255, 0.96) !important;
  border-color: #d97706 !important;
  box-shadow: 0 12px 32px rgba(120, 53, 15, 0.2) !important;
}

body[data-theme-type="light"] .icebreaker-banner__text {
  color: #78350f !important;
}

body[data-theme-type="light"] .icebreaker-modal__dialog {
  background: rgba(255, 255, 255, 0.98) !important;
  border-color: var(--border-card, rgba(180, 83, 9, 0.35)) !important;
}

body[data-theme-type="light"] .icebreaker-modal__title {
  color: var(--text-main, #451a03) !important;
}

body[data-theme-type="light"] .icebreaker-letter {
  background: #fffdfa !important;
  border-color: rgba(244, 63, 94, 0.4) !important;
  color: #374151 !important;
}

body[data-theme-type="light"] .icebreaker-btn-secondary {
  background: rgba(0, 0, 0, 0.04) !important;
  color: var(--text-sub, #78350f) !important;
}

body[data-theme-type="light"] .icebreaker-history-title {
  color: #78350f !important;
}

body[data-theme-type="light"] .icebreaker-history-item {
  background: rgba(0, 0, 0, 0.02) !important;
  border-color: rgba(180, 83, 9, 0.18) !important;
}

body[data-theme-type="light"] .icebreaker-history-badge {
  color: #78350f !important;
  background: rgba(180, 83, 9, 0.12) !important;
  border-color: rgba(180, 83, 9, 0.3) !important;
}

body[data-theme-type="light"] .icebreaker-history-summary {
  color: #451a03 !important;
}

body[data-theme-type="light"] .icebreaker-history-btn {
  background: rgba(180, 83, 9, 0.1) !important;
  border-color: rgba(180, 83, 9, 0.35) !important;
  color: #78350f !important;
}

/* ================= 7. 移动端自适应 ================= */
@media (max-width: 640px) {
  .icebreaker-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .icebreaker-card {
    padding: 18px 14px;
    border-radius: 20px;
  }
  .icebreaker-btn {
    padding: 12px 8px;
    border-radius: 14px;
  }
  .icebreaker-btn__icon {
    font-size: 24px;
  }
  .icebreaker-btn__label {
    font-size: 13px;
  }
}