/* ============================================================
   起始页 · 壁纸层与壁纸面板
   ============================================================ */

/* ---------- 壁纸层 ---------- */

.wallpaper{
  position:fixed;inset:0;z-index:0;overflow:hidden;
  pointer-events:none;opacity:0;
  transition:opacity .55s var(--ease);
}
.wallpaper.is-on{opacity:1}

.wp-layer{
  position:absolute;inset:-4%;
  background-size:cover;background-position:center;background-repeat:no-repeat;
  transition:filter .2s linear,transform .3s var(--ease);
  will-change:transform,filter;
}

.wp-video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;transition:filter .2s linear;
}

/* 壁纸启用时，极光层让位 */
.wallpaper.is-on ~ .aurora .blob{display:none}
/* 极光自带遮罩压暗，壁纸改由 .wp-tint 接管，这里只留一点点保证文字可读 */
.wallpaper.is-on ~ .scrim{opacity:.30}
.wallpaper.is-on ~ .grain{opacity:.55}

/* ---------- 可调遮罩 ---------- */

.wp-tint{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background-color:#060911;
  transition:opacity .3s var(--ease),background-color .3s var(--ease);
}

/* ---------- 暗角 ---------- */

.wp-vig{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(130% 105% at 50% 38%,rgba(0,0,0,0) 38%,rgba(0,0,0,.55) 100%),
    linear-gradient(to bottom,rgba(0,0,0,.22),rgba(0,0,0,0) 26%,rgba(0,0,0,.28));
}

/* ---------- 面板 ---------- */

.wp-panel{position:fixed;inset:0;z-index:80}

.wp-backdrop{
  position:absolute;inset:0;
  background:rgba(3,6,12,.5);
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);
  animation:wpFade .22s var(--ease);
}

.wp-card{
  position:relative;width:min(780px,94vw);
  max-height:88vh;margin:6vh auto 0;
  display:flex;flex-direction:column;overflow:hidden;
  background:rgba(13,17,26,.94);
  backdrop-filter:blur(26px) saturate(170%);-webkit-backdrop-filter:blur(26px) saturate(170%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:0 34px 100px -34px rgba(0,0,0,.92);
  animation:wpRise .32s var(--ease);
}

@keyframes wpFade{from{opacity:0}to{opacity:1}}
@keyframes wpRise{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}

.wp-head{
  flex:none;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:16px 18px 12px;
}
.wp-head h2{font-size:15.5px;font-weight:600;letter-spacing:.01em}
.wp-x{width:30px;height:30px;padding:7px}

/* ---------- 分类标签 ---------- */

.wp-tabs{
  flex:none;display:flex;gap:4px;
  padding:0 18px 12px;
  border-bottom:1px solid var(--line);
  overflow-x:auto;scrollbar-width:none;
}
.wp-tabs::-webkit-scrollbar{display:none}

.wp-tabs button{
  flex:none;appearance:none;cursor:pointer;
  padding:6px 13px;border-radius:999px;
  border:1px solid transparent;background:transparent;
  color:var(--text-dim);font-size:12.5px;font-family:inherit;
  transition:color .18s,background .18s,border-color .18s;
}
.wp-tabs button:hover{color:var(--text);background:var(--glass)}
.wp-tabs button.is-on{
  color:var(--text);background:var(--glass-hi);
  border-color:var(--line-hi);
}

/* ---------- 内容区 ---------- */

.wp-body{
  flex:1;min-height:180px;overflow-y:auto;overscroll-behavior:contain;
  padding:16px 18px 20px;
}

.wp-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(138px,1fr));
  gap:12px;
}

.wp-item{
  display:block;width:100%;padding:0;
  position:relative;aspect-ratio:16/10;
  border-radius:13px;overflow:hidden;cursor:pointer;
  border:1px solid var(--line);
  background-color:#0b0f18;background-position:center;background-size:cover;background-repeat:no-repeat;
  color:inherit;font-family:inherit;text-align:left;
  transition:transform .22s var(--ease),border-color .2s,box-shadow .2s;
}
.wp-item:hover{transform:translateY(-3px);border-color:var(--line-hi)}
.wp-item.is-on{
  border-color:var(--accent);
  box-shadow:0 0 0 2px var(--accent-soft),0 10px 26px -14px rgba(0,0,0,.8);
}
.wp-item.is-on::after{
  content:'';position:absolute;top:7px;right:7px;width:18px;height:18px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23071018' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.6 4.6L19 7.6'/%3E%3C/svg%3E") center/11px no-repeat;
  box-shadow:0 2px 8px rgba(0,0,0,.5);
}

.wp-item .wp-name{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 9px 6px;
  font-size:11.5px;color:#fff;letter-spacing:.01em;
  background:linear-gradient(to top,rgba(0,0,0,.72),rgba(0,0,0,0));
  text-shadow:0 1px 5px rgba(0,0,0,.85);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.wp-item .wp-del{
  position:absolute;top:6px;right:6px;width:22px;height:22px;
  display:grid;place-items:center;padding:5px;
  border-radius:50%;border:1px solid rgba(255,255,255,.24);
  background:rgba(8,10,16,.7);color:#fff;cursor:pointer;
  opacity:0;transition:opacity .18s,background .18s;
}
.wp-item:hover .wp-del{opacity:1}
.wp-item .wp-del:hover{background:rgba(220,60,60,.86)}
.wp-item.is-on .wp-del{right:auto;left:7px}

/* ---------- 上传区 ---------- */

.wp-drop{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:20px;margin-bottom:14px;
  border:1.5px dashed var(--line-hi);border-radius:var(--r-md);
  background:var(--glass);
  text-align:center;transition:border-color .2s,background .2s;
}
.wp-drop.is-over{border-color:var(--accent);background:var(--accent-soft)}
.wp-drop svg{width:26px;height:26px;color:var(--text-faint);stroke-width:1.5}
.wp-drop p{font-size:12.5px;color:var(--text-dim);line-height:1.7}
.wp-drop b{color:var(--accent);font-weight:600;cursor:pointer}
.wp-drop small{font-size:11px;color:var(--text-faint)}

/* ---------- 表单行 ---------- */

.wp-form{display:flex;flex-direction:column;gap:10px}
.wp-field{display:flex;flex-direction:column;gap:6px}
.wp-field label{font-size:12px;color:var(--text-dim)}
.wp-input{
  display:flex;gap:8px;
}
.wp-input input[type=text],
.wp-input input[type=url]{
  flex:1;min-width:0;height:38px;padding:0 12px;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.045);color:var(--text);
  font-size:13px;font-family:inherit;
  transition:border-color .18s,background .18s;
}
.wp-input input:focus{
  outline:none;border-color:var(--line-hi);background:rgba(255,255,255,.08);
}
.wp-input input::placeholder{color:var(--text-faint)}

.wp-btn{
  flex:none;height:38px;padding:0 16px;cursor:pointer;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--glass-hi);color:var(--text);
  font-size:13px;font-family:inherit;
  transition:background .18s,border-color .18s,opacity .18s;
}
.wp-btn:hover{background:rgba(255,255,255,.16);border-color:var(--line-hi)}
.wp-btn.is-primary{background:var(--accent);border-color:var(--accent);color:#08120a;font-weight:600}
.wp-btn.is-primary:hover{opacity:.9}

.wp-colors{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:10px;
}
.wp-color{
  display:block;width:100%;padding:0;
  aspect-ratio:1;border-radius:12px;cursor:pointer;
  border:1px solid var(--line);
  transition:transform .18s var(--ease),border-color .2s;
}
.wp-color:hover{transform:scale(1.06)}
.wp-color.is-on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}

/* ---------- 每日一图 ---------- */

.wp-bing{
  display:flex;gap:14px;align-items:stretch;
  padding:12px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--glass);
}
.wp-bing-prev{
  flex:none;width:186px;aspect-ratio:16/10;border-radius:10px;
  background:#0b0f18 center/cover no-repeat;cursor:pointer;
  border:1px solid var(--line);
}
.wp-bing-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:6px}
.wp-bing-info strong{font-size:13.5px;font-weight:600}
.wp-bing-info p{font-size:12px;color:var(--text-dim);line-height:1.6}
.wp-bing-info .wp-btn{align-self:flex-start;margin-top:2px}

.wp-note{
  font-size:12px;color:var(--text-faint);
  padding:10px 2px 0;line-height:1.7;
}
.wp-loading{
  display:flex;align-items:center;justify-content:center;gap:9px;
  padding:38px 0;font-size:12.5px;color:var(--text-faint);
}
.wp-spin{
  width:15px;height:15px;border-radius:50%;
  border:2px solid var(--line-hi);border-top-color:var(--accent);
  animation:wpSpin .7s linear infinite;
}
@keyframes wpSpin{to{transform:rotate(360deg)}}

/* ---------- 底部调节 ---------- */

.wp-foot{
  flex:none;display:flex;flex-direction:column;gap:12px;
  padding:13px 18px 15px;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.02);
}

.wp-adv-toggle{
  align-self:flex-start;display:inline-flex;align-items:center;gap:6px;
  appearance:none;cursor:pointer;padding:0;border:0;background:none;
  color:var(--text-dim);font-size:12.5px;font-family:inherit;
  transition:color .18s;
}
.wp-adv-toggle:hover{color:var(--text)}
.wp-adv-toggle svg{width:14px;height:14px;transition:transform .22s var(--ease)}
.wp-adv-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}

.wp-adv{
  display:grid;grid-template-columns:1fr 1fr;gap:11px 22px;
  animation:wpFade .2s var(--ease);
}

.wp-row{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--text-dim)}
.wp-row>span:first-child{flex:none;width:54px}
.wp-row input[type=range]{
  flex:1;min-width:60px;height:3px;appearance:none;
  border-radius:2px;background:var(--line-hi);cursor:pointer;
}
.wp-row input[type=range]::-webkit-slider-thumb{
  appearance:none;width:13px;height:13px;border-radius:50%;
  background:var(--accent);border:0;cursor:pointer;
  box-shadow:0 1px 5px rgba(0,0,0,.55);
}
.wp-row input[type=range]::-moz-range-thumb{
  width:13px;height:13px;border-radius:50%;
  background:var(--accent);border:0;cursor:pointer;
}
.wp-row output{
  flex:none;width:24px;text-align:right;
  color:var(--text);font-variant-numeric:tabular-nums;font-size:12px;
}
.wp-row input[type=checkbox]{
  appearance:none;width:34px;height:19px;border-radius:999px;
  background:var(--line-hi);position:relative;cursor:pointer;
  transition:background .2s var(--ease);
}
.wp-row input[type=checkbox]::after{
  content:'';position:absolute;top:2px;left:2px;width:15px;height:15px;
  border-radius:50%;background:#fff;transition:transform .2s var(--ease);
}
.wp-row input[type=checkbox]:checked{background:var(--accent)}
.wp-row input[type=checkbox]:checked::after{transform:translateX(15px)}
.wp-row input[type=color]{
  width:38px;height:24px;padding:0;border:1px solid var(--line);
  border-radius:7px;background:none;cursor:pointer;
}
.wp-row input[type=color]::-webkit-color-swatch-wrapper{padding:2px}
.wp-row input[type=color]::-webkit-color-swatch{border:0;border-radius:5px}

.wp-reset{
  align-self:flex-start;appearance:none;cursor:pointer;
  padding:0;border:0;background:none;
  color:var(--text-faint);font-size:12px;font-family:inherit;
  transition:color .18s;
}
.wp-reset:hover{color:var(--text-dim)}

/* ---------- 窄屏 ---------- */

@media (max-width:720px){
  .wp-card{width:100vw;max-height:92vh;margin:auto auto 0;border-radius:var(--r-xl) var(--r-xl) 0 0}
  .wp-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:9px}
  .wp-adv{grid-template-columns:1fr}
  .wp-bing{flex-direction:column}
  .wp-bing-prev{width:100%}
  .wp-body{padding:14px}
}