/* ===== 诗词宇宙 · 主页 ===== */
html,body{height:100%;overflow:hidden}
#space{position:fixed;inset:0;z-index:1;display:block;cursor:grab;touch-action:none}
#space.dragging{cursor:grabbing}

.hud{position:fixed;z-index:10;pointer-events:none}
.hud>*{pointer-events:auto}

/* 标题 */
.brand{top:26px;left:6vw;max-width:46vw}
.brand h1{
  margin:0;font-size:clamp(26px,3.6vw,46px);letter-spacing:.22em;line-height:1.15;
  background:linear-gradient(96deg,#fff,#9fc2ff 30%,#ffd9a0 55%,#c9a6ff 78%,#fff);
  background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:flow 12s linear infinite;
  filter:drop-shadow(0 0 22px rgba(140,170,255,.45));
}
@keyframes flow{to{background-position:300% 50%}}
.brand p{margin:10px 0 0;color:#93a2d4;font-size:13px;letter-spacing:.28em}

/* 控制条 */
.ctrls{top:26px;right:6vw;display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.ctrls input{
  width:190px;padding:9px 14px;border-radius:999px;font-family:inherit;
  border:1px solid rgba(150,180,255,.25);background:rgba(10,14,32,.65);color:#e8edff;outline:none;
  backdrop-filter:blur(8px);
}
.ctrls input:focus{border-color:rgba(255,207,107,.6);box-shadow:0 0 0 3px rgba(255,207,107,.12)}
.chip{
  padding:8px 14px;border-radius:999px;font-size:13px;cursor:pointer;user-select:none;
  border:1px solid rgba(150,180,255,.22);background:rgba(10,14,32,.6);color:#c6d2ff;
  transition:.25s;backdrop-filter:blur(8px);
}
.chip:hover{border-color:rgba(255,207,107,.5);color:#fff}
.chip.on{background:linear-gradient(140deg,rgba(255,207,107,.22),rgba(120,160,255,.18));border-color:rgba(255,207,107,.6);color:#fff}

/* 底部提示 */
.tips{bottom:22px;left:6vw;color:#7f8cb8;font-size:12.5px;letter-spacing:.12em;line-height:2}
.tips b{color:#ffd9a0;font-weight:500}
.legend{bottom:22px;right:6vw;display:flex;gap:16px;font-size:12.5px;color:#8b98c6}
.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:-1px}

/* 悬停卡片 */
#tip{
  position:fixed;z-index:30;pointer-events:none;opacity:0;transform:translate(-50%,-118%);
  min-width:210px;max-width:300px;padding:13px 16px;border-radius:14px;
  background:linear-gradient(150deg,rgba(26,34,74,.94),rgba(9,12,28,.94));
  border:1px solid rgba(160,190,255,.28);box-shadow:0 18px 50px rgba(0,0,0,.55),0 0 30px rgba(90,140,255,.2);
  transition:opacity .18s ease;
}
#tip.on{opacity:1}
#tip .t-n{font-size:18px;letter-spacing:.1em;background:linear-gradient(90deg,#fff,#ffd9a0);
  -webkit-background-clip:text;background-clip:text;color:transparent}
#tip .t-d{font-size:11.5px;color:#93a2d4;margin:6px 0 8px;letter-spacing:.15em}
#tip .t-b{font-size:12.5px;color:#c3cdf3;line-height:1.75;max-height:96px;overflow:hidden}
#tip .t-h{margin-top:9px;font-size:11.5px;color:#ffd9a0;letter-spacing:.1em}

/* 生成面板 */
#modal{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;
  background:radial-gradient(60% 60% at 50% 45%,rgba(14,18,40,.5),rgba(3,4,9,.9));backdrop-filter:blur(6px)}
#modal.on{display:flex;animation:fadein .5s ease}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.parchment{
  position:relative;width:min(760px,92vw);max-height:86vh;overflow:auto;
  padding:34px 38px 30px;border-radius:22px;
  background:linear-gradient(160deg,rgba(28,36,80,.92),rgba(10,13,30,.94));
  border:1px solid rgba(170,200,255,.3);
  box-shadow:0 30px 90px rgba(0,0,0,.6),0 0 70px rgba(120,90,255,.25) inset;
  animation:pop .55s cubic-bezier(.2,.9,.2,1);
}
@keyframes pop{from{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:none}}
.parchment h2{margin:0 0 4px;font-size:clamp(24px,3vw,34px);letter-spacing:.16em;
  background:linear-gradient(92deg,#fff,#ffd9a0 45%,#9fc2ff 75%,#fff);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:flow 8s linear infinite}
.parchment .pm{color:#93a2d4;font-size:12.5px;letter-spacing:.22em;margin-bottom:20px}
.parchment .pl{font-size:clamp(17px,2.2vw,21px);line-height:2.35;color:#e3e9ff;letter-spacing:.06em}
.parchment .pl span{display:block;opacity:0;transform:translateY(14px);animation:lin .7s ease forwards}
@keyframes lin{to{opacity:1;transform:none}}
.parchment .ph{margin-top:22px;font-size:11.5px;color:#7f8cb8;letter-spacing:.1em}
.parchment .pacts{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:10px 20px;border-radius:999px;cursor:pointer;font-family:inherit;font-size:14px;letter-spacing:.1em;
  border:1px solid rgba(170,200,255,.35);background:rgba(20,26,58,.7);color:#dbe4ff;transition:.25s}
.btn:hover{border-color:rgba(255,207,107,.7);color:#fff;transform:translateY(-2px)}
.btn.pri{background:linear-gradient(140deg,rgba(255,207,107,.28),rgba(140,110,255,.25));border-color:rgba(255,207,107,.6);color:#fff}

/* 加载 */
#loading{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;gap:20px;
  align-items:center;justify-content:center;background:#04050a;transition:opacity .8s}
#loading.off{opacity:0;pointer-events:none}
.ring{width:66px;height:66px;border-radius:50%;border:2px solid rgba(140,170,255,.2);
  border-top-color:#ffd9a0;border-right-color:#9fc2ff;animation:spin 1.1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#loading p{color:#8b98c6;letter-spacing:.3em;font-size:13px}

/* 星点计数 */
#countdown{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:10;
  color:#7f8cb8;font-size:12px;letter-spacing:.14em;pointer-events:none}
@media(max-width:760px){
  .brand{max-width:70vw}
  .ctrls{top:auto;bottom:70px;right:5vw;left:5vw;justify-content:center}
  .ctrls input{width:140px}
  .legend{display:none}
  .tips{font-size:11px}
}

/* ===== 设置面板 ===== */
#gear{position:fixed;top:50%;right:18px;transform:translateY(-50%);z-index:25;width:40px;height:40px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:19px;color:#cfd8ff;
  border:1px solid rgba(150,180,255,.25);background:rgba(10,14,32,.6);backdrop-filter:blur(8px);transition:.3s}
#gear:hover{color:#ffd9a0;border-color:rgba(255,207,107,.55);transform:translateY(-50%) rotate(45deg)}
#panel{position:fixed;top:50%;right:68px;transform:translateY(-50%) translateX(12px);z-index:26;
  width:326px;max-width:84vw;padding:16px 18px 14px;border-radius:16px;
  border:1px solid rgba(160,190,255,.24);background:rgba(9,12,26,.88);backdrop-filter:blur(14px);
  box-shadow:0 24px 60px rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:.3s}
#panel.show{opacity:1;transform:translateY(-50%);pointer-events:auto}
#panel h3{margin:0 0 14px;font-size:14px;letter-spacing:.18em;color:#dfe6ff;font-weight:500;display:flex;justify-content:space-between}
.p-x{cursor:pointer;color:#7f8cb8}.p-x:hover{color:#ffd9a0}
.p-row{display:flex;align-items:center;gap:10px;margin:11px 0;font-size:12.5px;color:#a9b4dd}
.p-k{width:58px;flex:0 0 58px;color:#8b98c6;letter-spacing:.1em}
.p-seg{display:flex;border:1px solid rgba(150,180,255,.2);border-radius:8px;overflow:hidden}
.p-seg b{padding:6px 10px;cursor:pointer;font-weight:400;transition:.2s;color:#8b98c6}
.p-seg b.on{background:linear-gradient(140deg,rgba(255,207,107,.25),rgba(120,160,255,.2));color:#fff}
.p-row input[type=range]{flex:1;accent-color:#ffd9a0;height:3px}
.p-row i{width:44px;text-align:right;color:#ffd9a0;font-style:normal}
.p-toggles{flex-wrap:wrap;gap:8px}
.p-chip{padding:5px 11px;border-radius:999px;cursor:pointer;font-weight:400;font-size:12px;
  border:1px solid rgba(150,180,255,.2);color:#8b98c6;transition:.2s}
.p-chip.on{background:linear-gradient(140deg,rgba(255,207,107,.22),rgba(120,160,255,.16));color:#fff;border-color:rgba(255,207,107,.5)}
#panel button{padding:7px 14px;border-radius:999px;cursor:pointer;font-family:inherit;font-size:12.5px;
  border:1px solid rgba(150,180,255,.25);background:rgba(20,26,58,.6);color:#cfd8ff}
#panel button:hover{border-color:rgba(255,207,107,.6);color:#fff}
.p-hint{font-size:10.5px;color:#6f7cab;line-height:1.6;margin-left:auto;text-align:right;max-width:150px}
@media(max-width:760px){#gear{top:auto;bottom:150px;transform:none}#panel{top:auto;bottom:200px;right:18px;transform:none}#panel.show{transform:none}}