/* ============================================================
   R66 style.css — 纪念日提醒贺卡系统 样式表
   技术栈：R3 母版 原生 CSS（Custom Properties）
   响应式断点：375 / 768 / 1024 / 1440
   ============================================================ */

/* ---------- CSS 变量（由 config.js 动态注入）---------- */
:root {
  --color-primary: #FF7B54;
  --color-primary-hover: #FF6B3D;
  --color-primary-light: #FFE8D6;
  --color-secondary: #F9D5BB;
  --color-accent: #FFB347;
  --color-bg: #FFF1E6;
  --color-bg-card: #FFFFFF;
  --color-bg-hero: linear-gradient(135deg, #FFF1E6 0%, #FFE8D6 50%, #F9D5BB 100%);
  --color-text-primary: #2D1B00;
  --color-text-secondary: #7A5C3E;
  --color-text-muted: #A89480;
  --color-border: #F9D5BB;
  --color-shadow: rgba(255, 123, 84, 0.15);
  --color-success: #4CAF50;
  --color-warning: #FFB347;
  --color-error: #FF5252;
  --color-envelope: #D4A574;
  --color-seal: #FF7B54;
  --font-family: 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-hover: 0 8px 32px var(--color-shadow);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- 布局 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 24px;
  position: relative;
}
.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-desc {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border: none; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-secondary { background: var(--color-bg-card); color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary-light); transform: translateY(-2px); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--color-text-secondary); padding: 8px 16px; }
.btn-ghost:hover { background: var(--color-primary-light); color: var(--color-primary); }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }
.btn-lg { padding: 18px 36px; font-size: 1.125rem; }

/* ---------- Hero M1 ---------- */
.hero-section {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--color-bg-hero); position: relative; overflow: hidden;
  padding: 60px 24px;
}
.hero-bg-shapes .shape {
  position: absolute; border-radius: 50%; opacity: 0.1;
}
.shape-1 { width: 400px; height: 400px; background: var(--color-primary); top: -100px; right: -50px; }
.shape-2 { width: 200px; height: 200px; background: var(--color-accent); bottom: 50px; left: -50px; }
.shape-3 { width: 150px; height: 150px; background: var(--color-accent); top: 60%; right: 20%; }
.shape-4 { width: 100px; height: 100px; background: var(--color-primary); bottom: 20%; left: 25%; }

.envelope-container {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  cursor: pointer; transition: var(--transition);
}
.envelope-container:hover { transform: scale(1.05); }
.envelope-svg { width: 260px; }
.envelope-hint { color: var(--color-text-muted); font-size: 0.9rem; animation: pulse 2s ease-in-out infinite; }
.envelope-flap { transform-origin: top center; transition: transform 0.8s ease-out; }
.opened .envelope-flap { transform: rotateX(180deg); opacity: 0; }
.opened .envelope-body { opacity: 0; transform: translateY(20px); transition: all 0.8s ease-out; }

@keyframes flapOpen {
  to { transform: rotateX(180deg); opacity: 0; }
}
@keyframes bodyOpen {
  to { opacity: 0; transform: translateY(20px); }
}

.hero-content {
  display: flex; flex-direction: column; align-items: center; gap: 24px;
  text-align: center; max-width: 700px;
}
.hero-title { font-size: 2.625rem; font-weight: 800; min-height: 56px; }
.hero-subtitle { font-size: 1.25rem; color: var(--color-text-secondary); }
.hero-stats { display: flex; gap: 40px; margin: 20px 0; }
.stat-item { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 700; color: var(--color-primary); }
.stat-label { font-size: 0.875rem; color: var(--color-text-muted); display: block; }
.hero-cta { display: flex; gap: 16px; }
.particle-container { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
@keyframes particleFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}
.particle { animation: particleFall linear forwards; }

/* ---------- 今天高亮 ---------- */
.today-highlight { padding: 40px 24px; }
.today-card {
  background: var(--color-bg-card); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-card);
  border-left: 6px solid var(--color-primary);
  display: flex; align-items: center; gap: 24px;
}
.today-badge {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; padding: 8px 20px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.925rem; white-space: nowrap;
}
.today-content { display: flex; align-items: center; gap: 20px; flex: 1; }
.today-avatar { width: 56px; height: 56px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.today-avatar img { width: 100%; height: 100%; object-fit: cover; }
.today-info h3 { font-size: 1.25rem; }
.today-info p { color: var(--color-text-secondary); }
.today-countdown { display: flex; gap: 4px; margin-top: 4px; }
.today-empty { text-align: center; padding: 40px; color: var(--color-text-muted); }
.today-empty .empty-icon { font-size: 3rem; display: block; margin-bottom: 12px; }
.empty-state { text-align: center; padding: 40px; color: var(--color-text-muted); font-size: 1.05rem; }

/* 翻转倒计时 */
.flip-digit {
  width: 36px; height: 48px; background: var(--color-primary); border-radius: 6px;
  display: flex; flex-direction: column; overflow: hidden; position: relative;
}
.flip-digit .flip-top, .flip-digit .flip-bottom {
  height: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700; color: #fff;
}

/* ---------- 日历 M2 ---------- */
.calendar-nav { display: flex; align-items: center; justify-content: center; gap: 24px; margin-bottom: 24px; }
.cal-nav-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--color-border);
  background: var(--color-bg-card); color: var(--color-primary);
  font-size: 1.5rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.cal-nav-btn:hover { background: var(--color-primary); color: #fff; }
.cal-month-label { font-size: 1.25rem; font-weight: 700; min-width: 130px; text-align: center; }
.calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px;
  max-width: 500px; margin: 0 auto;
}
.cal-cell {
  aspect-ratio: 1; display: flex; flex-direction: column; align-items: center;
  justify-content: center; border-radius: var(--radius-sm); font-size: 0.9rem;
  cursor: pointer; transition: var(--transition); position: relative;
}
.cal-header { font-weight: 700; color: var(--color-text-muted); font-size: 0.8rem; cursor: default; }
.cal-today { background: var(--color-primary-light); font-weight: 700; }
.cal-event { background: var(--color-bg-card); box-shadow: 0 2px 8px var(--color-shadow); }
.cal-event:hover { transform: scale(1.1); z-index: 1; }
.cal-dot { font-size: 0.7rem; margin-top: 2px; }
.cal-empty { cursor: default; }

.upcoming-items { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.upcoming-item {
  background: var(--color-bg-card); border-radius: var(--radius); padding: 18px 24px;
  box-shadow: 0 2px 12px var(--color-shadow);
  display: flex; align-items: center; gap: 16px; transition: var(--transition);
}
.upcoming-item:hover { box-shadow: var(--shadow-hover); transform: translateX(4px); }
.upcoming-avatar { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex-shrink: 0; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; }
.upcoming-avatar img { width: 100%; height: 100%; object-fit: cover; }
.upcoming-name { font-weight: 600; }
.upcoming-desc { color: var(--color-text-muted); font-size: 0.875rem; }
.upcoming-days { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-left: auto; }
.badge {
  font-size: 0.75rem; padding: 3px 10px; border-radius: 20px; font-weight: 600;
}
.badge-today { background: var(--color-primary); color: #fff; }
.badge-urgent { background: var(--color-warning); color: #fff; }
.badge-thisweek { background: var(--color-primary-light); color: var(--color-primary); }

/* ---------- 模板库 M3 ---------- */
.template-filters { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.filter-chip {
  padding: 10px 22px; border-radius: 30px; border: 2px solid var(--color-border);
  background: var(--color-bg-card); color: var(--color-text-secondary);
  font-size: 0.925rem; cursor: pointer; transition: var(--transition);
}
.filter-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.template-masonry {
  columns: 3 280px; column-gap: 20px;
}
.template-card {
  break-inside: avoid; margin-bottom: 20px; border-radius: var(--radius-lg);
  overflow: hidden; background: var(--color-bg-card); box-shadow: var(--shadow-card);
  cursor: pointer; transition: var(--transition);
}
.template-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.template-card.hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.template-cover { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.template-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.template-card:hover .template-cover img { transform: scale(1.05); }
.cover-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  font-size: 4rem; background: var(--color-primary-light);
}
.template-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
}
.template-card:hover .template-overlay { opacity: 1; }
.template-info { padding: 16px 20px; }
.template-name { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.template-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.template-tag { font-size: 0.75rem; padding: 3px 10px; border-radius: 14px; background: var(--color-primary-light); color: var(--color-primary); }

/* ---------- 编辑器 M4 ---------- */
.editor-layout { display: grid; grid-template-columns: 1fr 360px; gap: 32px; align-items: start; }
.editor-preview { position: sticky; top: 20px; }
.editor-panel { background: var(--color-bg-card); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 20px; }
.editor-field { display: flex; flex-direction: column; gap: 8px; }
.editor-field label { font-weight: 600; font-size: 0.9rem; color: var(--color-text-secondary); }
.editor-field textarea, .editor-field select, .editor-field input {
  padding: 12px 16px; border: 2px solid var(--color-border); border-radius: var(--radius);
  font-size: 0.95rem; font-family: var(--font-family); background: var(--color-bg);
  color: var(--color-text-primary); transition: var(--transition);
}
.editor-field textarea:focus, .editor-field select:focus, .editor-field input:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-shadow);
}

.color-scheme-picker { display: flex; gap: 10px; }
.color-chip {
  width: 36px; height: 36px; border-radius: 50%; border: 3px solid transparent;
  cursor: pointer; position: relative; transition: var(--transition); overflow: hidden;
}
.color-chip.active { border-color: var(--color-text-primary); box-shadow: 0 0 0 3px var(--color-shadow); }
.color-chip-dot { position: absolute; width: 12px; height: 12px; border-radius: 50%; bottom: 4px; right: 4px; }
.editor-actions { display: flex; gap: 12px; }

/* ---------- 提醒列表 M5 ---------- */
.reminders-section .btn { margin-bottom: 24px; }
.reminder-item {
  background: var(--color-bg-card); border-radius: var(--radius); padding: 18px 24px;
  box-shadow: 0 2px 12px var(--color-shadow);
  display: flex; align-items: center; gap: 16px; margin-bottom: 12px; transition: var(--transition);
}
.reminder-item:hover { box-shadow: var(--shadow-hover); }
.reminder-item.past { opacity: 0.5; }
.reminder-item.today { border-left: 4px solid var(--color-primary); }
.reminder-item.soon { border-left: 4px solid var(--color-warning); }
.reminder-icon { font-size: 1.5rem; }
.reminder-title { font-weight: 600; }
.reminder-contact { font-size: 0.85rem; color: var(--color-text-muted); }
.reminder-date { font-size: 0.85rem; color: var(--color-text-secondary); }
.reminder-levels { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.level-tag { font-size: 0.75rem; padding: 2px 8px; border-radius: 10px; background: var(--color-primary-light); }
.reminder-countdown { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-left: auto; }

/* ---------- 联系人画廊 M7 ---------- */
.contacts-gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px;
  margin-top: 24px;
}
.contact-card {
  background: var(--color-bg-card); border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-card); text-align: center; transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.contact-avatar { width: 72px; height: 72px; border-radius: 50%; overflow: hidden; margin: 0 auto 12px; }
.contact-avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 2rem; background: var(--color-primary-light); border-radius: 50%; }
.contact-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.contact-relation { color: var(--color-primary); font-size: 0.875rem; margin-bottom: 8px; }
.contact-note { color: var(--color-text-muted); font-size: 0.8rem; margin-bottom: 8px; line-height: 1.4; }
.contact-next { font-size: 0.85rem; color: var(--color-text-secondary); }
.contact-next .urgent { color: var(--color-primary); font-weight: 600; }
.contact-tags { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.contact-tag { font-size: 0.7rem; padding: 2px 8px; border-radius: 10px; background: var(--color-primary-light); color: var(--color-primary); }

/* ---------- 分享 M6 ---------- */
.share-options { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.share-btn {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px 32px; border-radius: var(--radius); border: 2px solid var(--color-border);
  background: var(--color-bg-card); cursor: pointer; transition: var(--transition);
}
.share-btn:hover { border-color: var(--color-primary); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.share-icon { font-size: 2rem; }
.share-preview { text-align: center; margin-top: 32px; }

/* ---------- CTA M8 ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; text-align: center; padding: 80px 24px; margin-top: 40px;
}
.cta-title { font-size: 2.25rem; font-weight: 800; color: #fff; margin-bottom: 12px;
  -webkit-background-clip: unset; -webkit-text-fill-color: unset; }
.cta-desc { font-size: 1.125rem; opacity: 0.85; margin-bottom: 36px; }
.cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.cta-section .btn-primary { background: #fff; color: var(--color-primary); }
.cta-section .btn-secondary { border-color: rgba(255,255,255,0.5); color: #fff; background: transparent; }
.cta-section .btn-accent { background: rgba(255,255,255,0.2); color: #fff; }

/* ---------- 模态弹窗 ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal-content {
  background: var(--color-bg-card); border-radius: var(--radius-xl); padding: 36px;
  max-width: 480px; width: 100%; max-height: 85vh; overflow-y: auto;
  position: relative; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-close { position: absolute; top: 16px; right: 20px; background: none; border: none; font-size: 1.75rem; color: var(--color-text-muted); cursor: pointer; line-height: 1; }
.modal-content h3 { margin-bottom: 24px; font-size: 1.5rem; }

.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--color-text-secondary); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 12px 16px; border: 2px solid var(--color-border); border-radius: var(--radius);
  font-size: 0.95rem; font-family: var(--font-family); background: var(--color-bg);
  color: var(--color-text-primary); transition: var(--transition);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-shadow);
}
.form-field button[type="submit"] { width: 100%; margin-top: 8px; }

.reminder-levels { display: flex; gap: 8px; flex-wrap: wrap; }
.level-checkbox {
  display: flex; align-items: center; gap: 4px; font-size: 0.85rem;
  cursor: pointer; padding: 4px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); transition: var(--transition);
}
.level-checkbox:has(input:checked) { background: var(--color-primary-light); border-color: var(--color-primary); }
.level-checkbox input[type="checkbox"] { display: none; }
.fullscreen-preview { z-index: 2000; }

/* ---------- Footer ---------- */
.site-footer { text-align: center; padding: 24px; color: var(--color-text-muted); font-size: 0.875rem; }
.site-footer a { color: var(--color-primary); }

/* ---------- 动态效果 ---------- */
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ---------- 暗色模式 ---------- */
body.dark-mode .cal-cell { color: var(--color-text-primary); }
body.dark-mode .filter-chip { background: var(--color-bg-card); }
body.dark-mode .modal-overlay { background: rgba(0,0,0,0.7); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .editor-layout { grid-template-columns: 1fr; }
  .editor-preview { position: static; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 1.75rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-stats { gap: 24px; }
  .stat-number { font-size: 1.75rem; }
  .section { padding: 56px 16px; }
  .section-title { font-size: 1.625rem; }
  .today-card { flex-direction: column; text-align: center; }
  .today-content { flex-direction: column; }
  .template-masonry { columns: 2 160px; }
  .contacts-gallery { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .cta-title { font-size: 1.5rem; }
  .reminder-item { flex-wrap: wrap; }
}
@media (max-width: 375px) {
  .hero-cta { flex-direction: column; }
  .template-masonry { columns: 1; }
  .calendar-grid { gap: 2px; }
  .cal-cell { font-size: 0.7rem; }
  .contacts-gallery { grid-template-columns: 1fr 1fr; gap: 12px; }
}

html.has-contact-footer body {
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
}

.contact-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  padding: .65rem 1rem calc(.65rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--color-bg, #FFF1E6) 92%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border, #F9D5BB);
}

.contact-footer__btns {
  display: flex;
  gap: .5rem;
  max-width: 480px;
  margin: 0 auto .35rem;
}

.contact-footer__cta,
.contact-footer__btn {
  flex: 1;
  text-align: center;
  padding: .55rem .4rem;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.contact-footer__cta {
  background: #c41e1e !important;
  color: #fff !important;
}

.contact-footer__btn {
  background: var(--color-bg-card, #fff);
  color: var(--color-text-primary, #2D1B00);
  border: 1px solid var(--color-border, #F9D5BB);
  cursor: pointer;
}

.contact-footer__brand {
  text-align: center;
  font-size: .62rem;
  color: var(--color-text-muted, #A89480);
}

/* ===== P1 · M9 热力图 / M10 AI / M11 回忆 / M12 时光信 ===== */
.heatmap-toolbar { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 1rem; }
.heatmap-year-label { font-weight: 700; font-size: 1.125rem; min-width: 6rem; text-align: center; }
.heatmap-legend { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 1.25rem; font-size: 0.75rem; color: var(--color-text-secondary); }
.heatmap-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.heatmap-months { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
.heatmap-month-title { font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text-secondary); }
.heatmap-mini-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.heatmap-cell { width: 100%; aspect-ratio: 1; border: none; border-radius: 3px; padding: 0; cursor: pointer; min-width: 0; }
.heatmap-cell.heat-empty { background: transparent; cursor: default; }
.heatmap-cell.heat-l0 { background: var(--color-bg-card); border: 1px solid var(--color-border); }
.heatmap-cell.heat-l1 { background: color-mix(in srgb, var(--color-primary) 35%, var(--color-bg-card)); }
.heatmap-cell.heat-l2 { background: color-mix(in srgb, var(--color-primary) 60%, var(--color-bg-card)); }
.heatmap-cell.heat-l3 { background: var(--color-primary); }
.heatmap-tooltip { margin-top: 1rem; padding: 12px 16px; border-radius: 12px; background: var(--color-bg-card); border: 1px solid var(--color-border); font-size: 0.875rem; line-height: 1.6; }

.modal-ai { max-width: 420px; }
.modal-sub { font-size: 0.875rem; color: var(--color-text-secondary); margin: -0.5rem 0 1rem; }
.ai-style-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1rem; }
.ai-stream-box { margin: 1rem 0; padding: 12px; border-radius: 8px; background: var(--color-primary-light); font-size: 0.875rem; min-height: 2.5rem; }
.ai-results { display: flex; flex-direction: column; gap: 10px; margin-top: 1rem; }
.ai-result-item { text-align: left; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--color-border); background: var(--color-bg-card); cursor: pointer; font-size: 0.9rem; line-height: 1.5; transition: border-color 0.15s; }
.ai-result-item:hover { border-color: var(--color-primary); }

.card-panel { background: var(--color-bg-card); border-radius: 16px; padding: 1.25rem; border: 1px solid var(--color-border); margin-bottom: 1.5rem; }
.memory-form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.memory-danmaku-wrap { position: relative; height: 120px; overflow: hidden; margin-bottom: 1.5rem; border-radius: 12px; background: color-mix(in srgb, var(--color-primary-light) 50%, transparent); }
.memory-danmaku { position: absolute; white-space: nowrap; font-size: 0.85rem; color: var(--color-primary); animation: memoryDanmaku linear infinite; left: 100%; }
@keyframes memoryDanmaku { to { transform: translateX(calc(-100vw - 100%)); } }
.memory-collage { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.memory-card { background: var(--color-bg-card); border-radius: 14px; overflow: hidden; border: 1px solid var(--color-border); }
.memory-card-photo { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.memory-card-body { padding: 12px; font-size: 0.875rem; }
.memory-card-body p { margin: 6px 0; line-height: 1.5; }
.memory-card-meta { font-size: 0.75rem; color: var(--color-text-muted); }

.capsule-unlock-banner { padding: 14px 16px; border-radius: 12px; background: color-mix(in srgb, var(--color-accent) 25%, var(--color-bg-card)); border: 1px solid var(--color-accent); margin-bottom: 1rem; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.capsule-list { display: flex; flex-direction: column; gap: 14px; margin-top: 1.5rem; }
.capsule-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px; border-radius: 14px; background: var(--color-bg-card); border: 1px solid var(--color-border); }
.capsule-item.capsule-ready { border-color: var(--color-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 20%, transparent); }
.capsule-wax { font-size: 2rem; flex-shrink: 0; }
.capsule-body { flex: 1; min-width: 0; }
.capsule-meta { display: block; font-size: 0.75rem; color: var(--color-text-muted); margin-top: 4px; }
.capsule-content { margin-top: 10px; line-height: 1.7; white-space: pre-wrap; }