/* ============ 设计变量 ============ */
:root {
  --hue: 35;                          /* 随换句动态变化 */
  --ink: #322e28;
  --ink-soft: #7a7266;
  --serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, "Times New Roman", serif;
  --hand: "Ma Shan Zheng", "Noto Serif SC", cursive;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-lg: 26px;
  --radius-md: 16px;
  --accent: hsl(calc(var(--hue) + 18) 55% 46%);
  --accent-2: hsl(calc(var(--hue) - 8) 62% 38%);
  --card: rgba(255, 255, 255, 0.68);
  --glass: rgba(255, 255, 255, 0.55);
  --line: rgba(120, 100, 80, 0.14);
  --shadow-card:
    0 1px 2px rgba(90, 70, 50, 0.05),
    0 18px 45px -18px hsla(var(--hue) 40% 30% / 0.32);
  --shadow-btn: 0 10px 22px -9px hsla(calc(var(--hue) + 10) 60% 40% / 0.55);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* 隐藏 SVG 图标符号库（占位归零，不影响布局） */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

html, body { margin: 0; padding: 0; min-height: 100%; }

body {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  padding: max(20px, env(safe-area-inset-top)) 18px
           max(22px, env(safe-area-inset-bottom));
  font-family: var(--sans);
  color: var(--ink);
  background: #f4efe6;
}

/* ---------- 背景极光 ---------- */
.aurora { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.aurora i {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
}
.aurora .a1 {
  width: 62vmax; height: 62vmax; left: -18vmax; top: -20vmax;
  background: radial-gradient(circle at 38% 40%, hsl(var(--hue) 78% 88% / 0.95), transparent 62%);
  animation: drift1 30s ease-in-out infinite alternate;
}
.aurora .a2 {
  width: 55vmax; height: 55vmax; right: -16vmax; bottom: -18vmax;
  background: radial-gradient(circle at 60% 60%, hsl(calc(var(--hue) + 75) 70% 88% / 0.9), transparent 64%);
  animation: drift2 34s ease-in-out infinite alternate;
}
.aurora .a3 {
  width: 40vmax; height: 40vmax; left: 28vw; top: 18vh;
  background: radial-gradient(circle, hsl(calc(var(--hue) + 150) 72% 92% / 0.8), transparent 66%);
  animation: drift3 26s ease-in-out infinite alternate;
}
@keyframes drift1 { to { transform: translate(7vmax, 6vmax) scale(1.08); } }
@keyframes drift2 { to { transform: translate(-6vmax, -7vmax) scale(1.1); } }
@keyframes drift3 { to { transform: translate(5vmax, -5vmax) scale(0.94); } }

/* 极淡点阵纹理 */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(90, 75, 60, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ============ 卡片 ============ */
.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 4.5vh, 30px);
  padding: clamp(22px, 5vw, 36px) clamp(20px, 5.4vw, 42px)
           clamp(18px, 4vw, 30px);
  background: var(--card);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  backdrop-filter: blur(22px) saturate(1.25);
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  animation: cardIn 0.5s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(12px) scale(0.985); } }

/* 右上角淡引号装饰 */
.card::before {
  content: "\201C";
  position: absolute;
  top: -18px; right: 6px;
  font-family: var(--serif);
  font-size: 150px;
  line-height: 1;
  color: hsla(var(--hue) 60% 45% / 0.08);
  pointer-events: none;
  user-select: none;
}

/* ============ 顶栏 ============ */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.date-wrap { display: flex; align-items: center; gap: 9px; min-width: 0; }
.date-dot {
  width: 8px; height: 8px; flex: 0 0 auto;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 4px hsla(var(--hue) 60% 60% / 0.14);
}
.date {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-actions { display: flex; gap: 8px; flex: 0 0 auto; }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 15px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 1px 2px rgba(80, 60, 40, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}
.ghost-btn .ico { width: 17px; height: 17px; }
.ghost-btn:hover { color: var(--accent); background: rgba(255, 255, 255, 0.85); border-color: hsla(var(--hue) 40% 60% / 0.5); }
.ghost-btn:active { transform: scale(0.95); }
.ghost-btn.icon-only { width: 42px; padding: 0; }

/* ============ 句子区 ============ */
.quote-area {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  min-height: 210px;
  justify-content: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #7a4a12;
  background: linear-gradient(135deg, #ffdf9e, #ffc76e);
  border: 1px solid rgba(255, 255, 255, 0.55);
  padding: 5px 13px;
  border-radius: 999px;
  box-shadow: 0 8px 18px -8px rgba(214, 150, 60, 0.65);
  animation: popBadge 0.35s cubic-bezier(0.2, 0.8, 0.3, 1.2) both;
}
.badge .ico { width: 13px; height: 13px; }
@keyframes popBadge { from { opacity: 0; transform: scale(0.7); } }

.quote-text {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(23px, 6vw, 31px);
  line-height: 1.65;
  color: var(--ink);
  letter-spacing: 0.015em;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
  text-wrap: pretty;
}
.quote-text.pop { animation: quoteIn 0.45s cubic-bezier(0.2, 0.7, 0.25, 1) both; }
@keyframes quoteIn {
  from { opacity: 0; transform: translateY(9px) scale(0.992); filter: blur(3px); }
  to   { opacity: 1; transform: none; filter: none; }
}

.quote-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-family: var(--serif);
  color: var(--ink-soft);
}
.author { font-size: clamp(15px, 3.8vw, 17px); font-style: normal; }
.author::before { content: "—— "; letter-spacing: 0.05em; }
.from { font-size: 13.5px; opacity: 0.85; }

.type-tag {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: hsla(var(--hue) 50% 90% / 0.6);
  border: 1px solid hsla(var(--hue) 45% 60% / 0.28);
  border-radius: 999px;
  padding: 4px 12px;
}

/* ============ 底部操作 ============ */
.actions { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.primary-btn {
  width: 100%;
  max-width: 340px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
}
.primary-btn .btn-ico { width: 18px; height: 18px; }
.primary-btn:hover { filter: brightness(1.06); box-shadow: 0 14px 28px -10px hsla(calc(var(--hue) + 10) 60% 40% / 0.6); }
.primary-btn:active { transform: scale(0.975); }
.primary-btn:disabled { opacity: 0.72; cursor: default; filter: none; }
.primary-btn.loading .btn-ico { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.secondary { display: flex; gap: 16px; }

.round-btn {
  width: 48px; height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 1px 2px rgba(80, 60, 40, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}
.round-btn .ico { width: 21px; height: 21px; }
.round-btn:hover { color: var(--accent); background: rgba(255, 255, 255, 0.92); border-color: hsla(var(--hue) 40% 60% / 0.5); transform: translateY(-2px); }
.round-btn:active { transform: scale(0.92); }
.round-btn.active { color: #fff; background: linear-gradient(135deg, #ff7d96, #e0526f); border-color: transparent; box-shadow: 0 8px 18px -8px rgba(224, 82, 111, 0.6); }
.round-btn.active .ico { fill: currentColor; }

/* ============ 页脚版权 ============ */
.page-credit {
  z-index: 1;
  margin: 18px 0 0;
  font-size: 12px;
  color: rgba(90, 75, 60, 0.55);
  text-align: center;
  letter-spacing: 0.04em;
}
.page-credit a { color: inherit; text-decoration: none; border-bottom: 1px dotted rgba(90, 75, 60, 0.4); }
.page-credit kbd {
  font-family: var(--sans);
  font-size: 10.5px;
  padding: 1px 6px;
  border: 1px solid rgba(90, 75, 60, 0.25);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.5);
}

/* ============ 弹层 ============ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(38, 30, 22, 0.4);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: fadeIn 0.2s ease both;
}
.hidden { display: none !important; }
@keyframes fadeIn { from { opacity: 0; } }

.modal-panel {
  width: 100%;
  max-width: 600px;
  max-height: min(78vh, 640px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 22px calc(26px + env(safe-area-inset-bottom));
  background: #fffdf9;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -18px 50px -22px rgba(40, 30, 20, 0.45);
  animation: sheetUp 0.3s cubic-bezier(0.2, 0.8, 0.3, 1) both;
}
@keyframes sheetUp { from { transform: translateY(100%); } }

.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.modal-title h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.modal-title p { margin: 4px 0 0; font-size: 12px; color: var(--ink-soft); }

.close-btn {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: var(--ink-soft);
  background: rgba(120, 100, 80, 0.07);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, transform 0.15s;
}
.close-btn .ico { width: 18px; height: 18px; }
.close-btn:hover { color: var(--ink); background: rgba(120, 100, 80, 0.13); }
.close-btn:active { transform: scale(0.92); }

.sheet-list {
  list-style: none;
  margin: 0; padding: 0 2px 0 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 100%;
}
.sheet-list::-webkit-scrollbar { width: 5px; }
.sheet-list::-webkit-scrollbar-thumb { background: rgba(120, 100, 80, 0.22); border-radius: 3px; }

.item {
  text-align: left;
  padding: 13px 15px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(80, 60, 40, 0.04);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.item:hover { border-color: hsla(var(--hue) 45% 55% / 0.55); box-shadow: 0 6px 18px -10px hsla(var(--hue) 40% 40% / 0.25); transform: translateY(-1px); }
.item:active { transform: scale(0.99); }

.item-date {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 6px;
}
.item-date .today-chip {
  margin-left: 6px;
  padding: 1px 8px;
  font-size: 10.5px;
  color: #7a4a12;
  background: #ffe4b8;
  border-radius: 999px;
}
.item-text {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.item-meta { margin-top: 6px; font-size: 12px; color: var(--ink-soft); }

.fav-row { display: flex; align-items: flex-start; gap: 10px; }
.fav-row .fav-body { flex: 1; min-width: 0; }
.fav-del {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  font-size: 15px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s;
}
.fav-del .ico { width: 15px; height: 15px; }
.fav-del:hover { color: #d2455f; border-color: #d2455f; background: rgba(210, 69, 95, 0.06); }
.fav-del:active { transform: scale(0.9); }

.empty-tip {
  margin: 6px 0 4px;
  text-align: center;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ============ Toast ============ */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(30px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(12px);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 90;
  max-width: min(88vw, 420px);
  padding: 11px 20px;
  font-size: 14px;
  color: #fff;
  background: rgba(44, 38, 32, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  box-shadow: 0 14px 34px -14px rgba(20, 15, 10, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s, transform 0.28s;
}
.toast::before {
  content: "";
  width: 6px; height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #7ee2a8;
  box-shadow: 0 0 0 3px rgba(126, 226, 168, 0.18);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 焦点可见性 ============ */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ============ 桌面适配 ============ */
@media (min-width: 640px) {
  .modal { align-items: center; padding: 20px; }
  .modal-panel { border-radius: 24px; }
}

/* ============ 减少动效偏好 ============ */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}