/* 柒原书屋 · Nebula Flow V8
 * 动态主题色 / 粒子流光边框 / 主视觉预设 / 公告弹窗 / 网盘跳转记录
 */
:root {
  --v8-a: #FD91FF;
  --v8-b: #5240FE;
  --v8-c: #AD9EFF;
  --v8-a-rgb: 253, 145, 255;
  --v8-b-rgb: 82, 64, 254;
  --v8-c-rgb: 173, 158, 255;
  --v8-flow-speed: 7s;
  --v8-flow-soft: rgba(var(--v8-c-rgb), .18);
}

@keyframes v8-border-flow {
  0% { background-position: 0 0, 0% 50%; }
  100% { background-position: 0 0, 240% 50%; }
}
@keyframes v8-hero-ring-spin { to { transform: rotate(360deg); } }
@keyframes v8-orbit-drift {
  0%,100% { transform: translate3d(-3px, 2px, 0) rotate(-8deg) scale(.96); opacity:.42; }
  50% { transform: translate3d(4px, -4px, 0) rotate(11deg) scale(1.04); opacity:.78; }
}
@keyframes v8-glow-pulse {
  0%,100% { filter: blur(15px); opacity:.42; transform:scale(.92); }
  50% { filter: blur(22px); opacity:.78; transform:scale(1.08); }
}
@keyframes v8-particle-sweep {
  0% { transform: translateX(-120%) scaleX(.4); opacity:0; }
  18% { opacity:.85; }
  72% { opacity:.55; }
  100% { transform: translateX(220%) scaleX(1.05); opacity:0; }
}
@keyframes v8-float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* 动态流光边框：用双层背景实现，避免遮挡卡片内容。 */
.dream-flow-surface,
.dream-search-card,
.dream-recommend-card,
.dream-download-card,
.dream-result-card,
.dream-popup-card {
  border: 1px solid transparent !important;
  background:
    linear-gradient(145deg, rgba(20,22,42,.94), rgba(8,10,24,.93)) padding-box,
    linear-gradient(105deg,
      transparent 0%,
      rgba(var(--v8-a-rgb),.18) 12%,
      var(--v8-a) 28%,
      var(--v8-b) 44%,
      var(--v8-c) 58%,
      rgba(var(--v8-c-rgb),.08) 74%,
      transparent 88%) border-box !important;
  background-size: 100% 100%, 240% 100% !important;
  animation: v8-border-flow var(--v8-flow-speed) linear infinite;
}

.dream-announcement-card {
  border: 1px solid transparent !important;
  background:
    linear-gradient(145deg, rgba(22,24,44,.94), rgba(9,11,25,.93)) padding-box,
    linear-gradient(100deg, transparent, var(--v8-c), var(--v8-a), var(--v8-b), transparent) border-box !important;
  background-size:100% 100%, 260% 100% !important;
  animation:v8-border-flow 8.5s linear infinite;
}

.dream-search-card::after {
  content:"";
  position:absolute;
  z-index:0;
  left:0;
  top:0;
  width:34%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--v8-a),#fff,var(--v8-c),transparent);
  box-shadow:0 0 12px rgba(var(--v8-a-rgb),.65),0 0 22px rgba(var(--v8-b-rgb),.35);
  animation:v8-particle-sweep 4.8s ease-in-out infinite;
  pointer-events:none;
}
.dream-search-card > * { position:relative; z-index:1; }

.dream-hero-logo {
  border-color:transparent !important;
  background:
    radial-gradient(circle at 34% 22%, rgba(var(--v8-a-rgb),.2), transparent 28%) padding-box,
    radial-gradient(circle at 78% 28%, rgba(var(--v8-c-rgb),.28), transparent 30%) padding-box,
    linear-gradient(145deg,#15192e,#080a17 72%) padding-box,
    linear-gradient(135deg,var(--v8-a),var(--v8-b),var(--v8-c),var(--v8-a)) border-box !important;
  box-shadow:
    0 28px 70px rgba(0,0,0,.5),
    0 0 34px rgba(var(--v8-b-rgb),.16),
    inset 0 1px 0 rgba(255,255,255,.09) !important;
  animation:v8-float 5.6s ease-in-out infinite;
}
.dream-hero-logo::before {
  content:"";
  position:absolute;
  z-index:-1;
  inset:-10px;
  border-radius:36px;
  background:conic-gradient(from 0deg,transparent 0 16%,var(--v8-a) 23%,transparent 31% 48%,var(--v8-c) 56%,transparent 66% 82%,var(--v8-b) 89%,transparent 96%);
  filter:blur(8px);
  opacity:.5;
  animation:v8-hero-ring-spin 9s linear infinite;
}
.dream-hero-logo-glow {
  background:radial-gradient(circle,rgba(var(--v8-a-rgb),.34),rgba(var(--v8-c-rgb),.14) 45%,transparent 70%) !important;
  animation:v8-glow-pulse 4.6s ease-in-out infinite;
}
.dream-hero-logo-ring { border-color:rgba(var(--v8-c-rgb),.44) !important; box-shadow:0 0 12px rgba(var(--v8-c-rgb),.18); }
.dream-hero-logo svg:not(.dream-hero-star) { filter:drop-shadow(0 0 12px rgba(var(--v8-c-rgb),.52)) !important; }
.dream-hero-star-one { color:var(--v8-a) !important; }
.dream-hero-star-two { color:var(--v8-c) !important; }
.dream-home-hero h2 {
  background:linear-gradient(100deg,var(--v8-a),var(--v8-c) 34%,#fff 50%,var(--v8-a) 67%,var(--v8-b)) !important;
  -webkit-background-clip:text !important;
  background-clip:text !important;
  color:transparent !important;
}

/* 五套中间图书标预设 */
.dream-hero-preset-layer { position:absolute; pointer-events:none; }
.dream-hero-preset-nebula-book .dream-hero-preset-layer-a {
  inset:23px; border-radius:50%; border:1px dashed rgba(var(--v8-a-rgb),.32); animation:v8-hero-ring-spin 13s linear infinite;
}
.dream-hero-preset-nebula-book .dream-hero-preset-layer-b {
  width:54px; height:12px; bottom:23px; left:32px; border-radius:50%; background:linear-gradient(90deg,var(--v8-a),var(--v8-b),var(--v8-c)); filter:blur(9px); opacity:.8;
}
.dream-hero-preset-aurora-book .dream-hero-preset-layer-a {
  width:78px;height:78px;border-radius:26px; background:linear-gradient(145deg,rgba(var(--v8-a-rgb),.18),rgba(var(--v8-c-rgb),.05)); transform:rotate(18deg); animation:v8-orbit-drift 5s ease-in-out infinite;
}
.dream-hero-preset-aurora-book .dream-hero-preset-layer-b {
  inset:15px;border-radius:30px;border-top:1px solid rgba(var(--v8-a-rgb),.5);border-bottom:1px solid rgba(var(--v8-c-rgb),.28);transform:rotate(-12deg);
}
.dream-hero-preset-crystal-book { clip-path:polygon(8% 0,92% 0,100% 18%,100% 82%,82% 100%,18% 100%,0 82%,0 18%); }
.dream-hero-preset-crystal-book .dream-hero-preset-layer-a {
  inset:15px;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);background:linear-gradient(135deg,rgba(var(--v8-a-rgb),.17),rgba(var(--v8-c-rgb),.26),transparent);filter:blur(2px);
}
.dream-hero-preset-crystal-book .dream-hero-preset-layer-b { inset:8px;border:1px solid rgba(255,255,255,.08);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%); }
.dream-hero-preset-moon-book .dream-hero-preset-layer-a {
  width:76px;height:76px;border-radius:50%;border:1px solid rgba(var(--v8-c-rgb),.36);border-right-color:var(--v8-a);transform:rotate(-28deg);animation:v8-hero-ring-spin 15s linear infinite;
}
.dream-hero-preset-moon-book .dream-hero-preset-layer-b {
  width:46px;height:46px;border-radius:50%;right:18px;top:20px;box-shadow:-10px 5px 0 0 rgba(var(--v8-c-rgb),.2);opacity:.65;
}
.dream-hero-preset-minimal-book { background:linear-gradient(145deg,rgba(18,20,36,.96),rgba(6,8,18,.98)) padding-box,linear-gradient(135deg,rgba(var(--v8-c-rgb),.42),rgba(var(--v8-a-rgb),.2),rgba(var(--v8-b-rgb),.35)) border-box !important; }
.dream-hero-preset-minimal-book .dream-hero-preset-layer-a { width:74px;height:1px;background:linear-gradient(90deg,transparent,var(--v8-c),transparent);bottom:30px;left:22px;box-shadow:0 0 10px rgba(var(--v8-c-rgb),.7); }
.dream-hero-preset-minimal-book .dream-hero-preset-layer-b { display:none; }
.dream-hero-logo-image { overflow:hidden; padding:12px; }
.dream-hero-logo-image img { position:relative; z-index:3; width:100%; height:100%; -o-object-fit:contain; object-fit:contain; border-radius:22px; filter:drop-shadow(0 12px 24px rgba(0,0,0,.28)); }

/* 按当前配色重写关键交互按钮 */
.dream-search-submit,
.dream-empty-state button,
.dream-empty-downloads a,
.dream-primary-button {
  color:#fff !important;
  background:linear-gradient(110deg,var(--v8-b),var(--v8-a) 52%,var(--v8-c)) !important;
  box-shadow:0 13px 30px rgba(var(--v8-b-rgb),.22),inset 0 1px 0 rgba(255,255,255,.32) !important;
}
.dream-channel-tabs button.is-active,
.dream-sort-pills button.is-active,
.dream-download-tabs button.is-active {
  border-color:rgba(var(--v8-c-rgb),.5) !important;
  background:linear-gradient(125deg,rgba(var(--v8-b-rgb),.48),rgba(var(--v8-a-rgb),.2)) !important;
  box-shadow:0 9px 24px rgba(var(--v8-b-rgb),.2) !important;
}
.dream-ranking-badge,
.dream-rank-1 { background:linear-gradient(135deg,var(--v8-a),var(--v8-b),var(--v8-c)) !important; color:white !important; }

/* 右上角主题色号选择 */
.dream-palette-trigger { position:relative; overflow:visible !important; }
.dream-palette-trigger > svg { transform:translateY(-4px); }
.dream-palette-mini { position:absolute; left:50%; bottom:7px; transform:translateX(-50%); display:flex; gap:2px; }
.dream-palette-mini i { width:6px;height:6px;border-radius:50%;box-shadow:0 0 6px currentColor; }
.dream-palette-backdrop { position:fixed; z-index:130; inset:0; background:rgba(2,3,10,.48); backdrop-filter:blur(8px); display:flex; justify-content:center; align-items:flex-start; padding:max(82px,calc(env(safe-area-inset-top) + 72px)) 14px 20px; }
.dream-palette-panel { width:min(100%,470px); max-height:min(76vh,620px); overflow:auto; padding:18px; border:1px solid transparent; border-radius:26px; outline:none; background:linear-gradient(145deg,rgba(22,24,44,.97),rgba(8,10,22,.98)) padding-box,linear-gradient(125deg,var(--v8-a),var(--v8-b),var(--v8-c)) border-box; box-shadow:0 28px 90px rgba(0,0,0,.58),0 0 38px rgba(var(--v8-b-rgb),.12); }
.dream-palette-panel-head { display:flex; justify-content:space-between; gap:14px; align-items:flex-start; }
.dream-palette-panel-head span { color:#777d98;font-size:9px;letter-spacing:.2em;font-weight:800; }
.dream-palette-panel-head h2 { margin:3px 0 0;color:#f8f8ff;font-size:20px; }
.dream-palette-panel-head button { width:35px;height:35px;border:1px solid rgba(255,255,255,.09);border-radius:12px;color:#aeb4c8;background:rgba(255,255,255,.04);display:grid;place-items:center; }
.dream-palette-tip { margin:10px 0 14px;color:#858ba2;font-size:11px;line-height:1.7; }
.dream-palette-options { display:grid;gap:9px; }
.dream-palette-options > button { min-height:68px;display:grid;grid-template-columns:86px minmax(0,1fr) 28px;gap:12px;align-items:center;padding:9px 10px;border:1px solid rgba(255,255,255,.075);border-radius:18px;background:rgba(255,255,255,.035);text-align:left;color:#e8e9f3; }
.dream-palette-options > button.is-active { border-color:rgba(var(--v8-c-rgb),.5);background:linear-gradient(120deg,rgba(var(--v8-b-rgb),.2),rgba(var(--v8-a-rgb),.09));box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 10px 28px rgba(var(--v8-b-rgb),.11); }
.dream-palette-swatch { height:48px;border-radius:14px;overflow:hidden;display:flex;border:1px solid rgba(255,255,255,.1); }
.dream-palette-swatch i { flex:1; }
.dream-palette-copy { min-width:0;display:block; }.dream-palette-copy strong{display:block;font-size:13px;color:#f6f6ff}.dream-palette-copy small{display:block;margin-top:4px;color:#777e96;font-size:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dream-palette-check{color:var(--v8-c)}

/* 弹窗公告 */
.dream-popup-backdrop { position:fixed;z-index:125;inset:0;display:grid;place-items:center;padding:20px 16px;background:rgba(1,2,9,.68);backdrop-filter:blur(14px); }
.dream-popup-card { position:relative;width:min(100%,460px);max-height:82vh;overflow:auto;padding:18px;border-radius:28px!important;box-shadow:0 32px 100px rgba(0,0,0,.65),0 0 50px rgba(var(--v8-b-rgb),.14)!important; }
.dream-popup-close { position:absolute;z-index:4;right:13px;top:13px;width:36px;height:36px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);border-radius:50%;color:#fff;background:rgba(7,8,18,.68);backdrop-filter:blur(10px); }
.dream-popup-image { width:100%;max-height:260px;-o-object-fit:cover;object-fit:cover;border-radius:20px;margin-bottom:16px;border:1px solid rgba(255,255,255,.08); }
.dream-popup-kicker { display:flex;align-items:center;gap:7px;color:var(--v8-c);font-size:9px;font-weight:900;letter-spacing:.18em; }
.dream-popup-card h2 { margin:8px 0 0;color:#f7f7ff;font-size:22px; }.dream-popup-copy{margin-top:12px;color:#b1b5c7;font-size:13px;line-height:1.85;white-space:pre-wrap;word-break:break-word}.dream-popup-actions{margin-top:18px}.dream-popup-actions a,.dream-popup-actions button{width:100%;min-height:48px;border:0;border-radius:16px;display:flex;align-items:center;justify-content:center;gap:7px;color:white;font-weight:850;background:linear-gradient(110deg,var(--v8-b),var(--v8-a),var(--v8-c));box-shadow:0 12px 28px rgba(var(--v8-b-rgb),.18)}

/* 网盘链接下载记录 */
.dream-download-card.is-share-link { background:linear-gradient(145deg,rgba(var(--v8-b-rgb),.11),rgba(10,12,26,.92)) padding-box,linear-gradient(105deg,transparent,var(--v8-c),var(--v8-a),transparent) border-box!important; }
.dream-download-card.is-share-link .dream-download-cover { color:white!important;background:linear-gradient(145deg,var(--v8-b),var(--v8-a))!important; }
.dream-download-card.is-share-link .dream-progress-track i { background:linear-gradient(90deg,var(--v8-b),var(--v8-a),var(--v8-c))!important; }
.dream-download-card.is-share-link .dream-download-extract button { color:white!important;background:linear-gradient(110deg,var(--v8-b),var(--v8-a))!important;border-color:transparent!important; }
.dream-download-card.is-share-link .dream-download-extract span { color:var(--v8-c)!important; }

@media (max-width:390px) {
  .dream-palette-options > button { grid-template-columns:74px minmax(0,1fr) 24px; }
  .dream-palette-swatch { height:44px; }
  .dream-popup-card { padding:15px; }
}
@media (prefers-reduced-motion:reduce) {
  .dream-flow-surface,.dream-search-card,.dream-recommend-card,.dream-download-card,.dream-result-card,.dream-popup-card,.dream-announcement-card,.dream-hero-logo,.dream-hero-logo::before,.dream-search-card::after,.dream-hero-logo-glow { animation:none!important; }
}