/* ============================================
   知时 — 墨色山水 · 暖墨金辉
   古画底韵 · 流金辉光 · 宣纸质感 · 烟云氤氲
   ============================================ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#0e0c0a;
  --paper:#181612;
  --card:rgba(24,22,18,.82);
  --gold:#c9a84c;
  --gold-l:#e8cf70;
  --gold-d:#8a6d28;
  --gold-glow:rgba(201,168,76,.14);
  --star:#8a8070;
  --star-dim:#5a5045;
  --star-glow:rgba(160,140,110,.08);
  --mist:rgba(170,160,145,.35);
  --mist-dim:rgba(160,150,135,.16);
  --tx:#d8d0c0;
  --tx2:#a89880;
  --tx3:#8a8078;
  --bd:rgba(180,160,140,.08);
  --bd2:rgba(180,160,140,.2);
  --bd-star:rgba(160,140,120,.06);
  --radius:12px;
  --red:#c41e3a;
}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{
  font-family:'Source Han Serif SC','Noto Serif SC','PingFang SC','Songti SC','SimSun',serif;
  background:var(--ink);
  color:var(--tx);
  min-height:100vh;overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 50% at 30% 20%, rgba(160,140,110,.03) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 70% 70%, rgba(201,168,76,.02) 0%, transparent 50%);
  opacity:.7;
}

/* === Background Canvas === */
.bg-layer{position:fixed;inset:0;z-index:0;pointer-events:none}
#bgCanvas{width:100%;height:100%;opacity:.6}
.bg-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 20%,rgba(201,168,76,.04) 0%,transparent 60%),
    radial-gradient(ellipse 60% 60% at 50% 80%,rgba(10,8,4,.9) 0%,transparent 50%),
    linear-gradient(180deg,var(--ink) 0%,var(--paper) 100%);
}

/* === App Shell === */
.app{
  position:relative;z-index:1;
  max-width:1000px;margin:0 auto;
  padding:40px 20px 60px;
  display:flex;flex-direction:column;align-items:center;
  min-height:100vh;
  animation:fadeUp 1s ease-out;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* === Header === */
.header{text-align:center;margin-bottom:32px;width:100%}
.header-line{
  width:88px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold-d),transparent);
  margin:0 auto 22px;opacity:.6;
}
.header h1{
  font-size:48px;font-weight:900;letter-spacing:22px;
  background:linear-gradient(180deg,var(--gold-l) 0%,var(--gold) 50%,var(--gold-d) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  filter:drop-shadow(0 0 32px var(--gold-glow));
  margin-bottom:10px;
}
.header h1 a{color:inherit;text-decoration:none}
.tagline{
  font-size:14px;color:var(--mist);letter-spacing:8px;font-weight:400;
}

/* === Top Bar: Credits + Buy === */
.topbar{
  width:100%;display:flex;justify-content:flex-end;align-items:center;gap:12px;
  margin-bottom:24px;
}
.credits-badge{
  display:flex;align-items:center;gap:6px;
  background:var(--card);border:1px solid var(--bd);border-radius:20px;
  padding:8px 18px;font-size:14px;
}
.credits-badge .count{color:var(--gold-l);font-weight:700;font-size:1.1em}
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 22px;border-radius:20px;border:none;
  font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;
  transition:all .3s;letter-spacing:2px;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-d) 0%,var(--gold) 50%,var(--gold-l) 100%);
  background-size:200% 100%;
  color:var(--ink);
  box-shadow:0 4px 18px rgba(201,168,76,.2);
  animation:shimmer 3s ease-in-out infinite;
}
@keyframes shimmer{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(201,168,76,.3)}
.btn-gold:disabled{opacity:.4;cursor:not-allowed;transform:none;animation:none}
.btn-outline{background:transparent;border:1px solid var(--bd2);color:var(--gold-l)}
.btn-outline:hover{background:rgba(201,168,76,.06)}
.btn-sm{padding:6px 14px;font-size:12px;letter-spacing:1px}
.btn-full{width:100%;justify-content:center;padding:14px 24px;font-size:16px}

/* === Main Layout: two columns === */
.main-layout{
  width:100%;display:grid;
  grid-template-columns:380px 1fr;
  gap:24px;align-items:start;
}

/* === Card === */
.card{
  background:var(--card);
  border:1px solid var(--bd);
  border-radius:var(--radius);
  padding:28px 24px;
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  box-shadow:0 0 80px rgba(0,0,0,.5),0 0 0 1px rgba(180,160,140,.04) inset;
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(180,160,140,.15),transparent);
}
.card-title{
  font-size:14px;color:var(--gold-l);letter-spacing:6px;font-weight:600;
  margin-bottom:20px;text-align:center;
}

/* === Side Panel === */
.side-panel{display:flex;flex-direction:column;gap:20px}

/* === Bazi Input Form === */
.mode-tabs{
  display:flex;gap:4px;margin-bottom:20px;
  background:rgba(200,190,170,.02);border-radius:8px;padding:3px;
}
.mode-tab{
  flex:1;padding:10px 0;
  background:none;border:none;border-radius:6px;
  color:var(--tx3);font-size:13px;font-weight:600;
  letter-spacing:4px;cursor:pointer;font-family:inherit;
  transition:all .3s;
}
.mode-tab:hover{color:var(--tx2)}
.mode-tab.active{
  color:var(--gold-l);
  background:rgba(201,168,76,.08);
  box-shadow:0 0 16px rgba(201,168,76,.06);
}
.mode-panel{display:none;animation:panelIn .4s ease-out}
.mode-panel.active{display:block}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* === Form Rows === */
.row{display:flex;gap:12px;margin-bottom:14px}
.row.two .field{flex:1}
.field{flex:1;min-width:0}
.field label{
  display:block;font-size:10px;color:var(--mist);letter-spacing:3px;
  margin-bottom:6px;font-weight:500;
}
.field select{
  width:100%;padding:12px 34px 12px 12px;
  font-size:14px;font-family:inherit;font-weight:500;
  color:var(--tx);background:rgba(30,28,24,.6);
  border:1px solid rgba(200,190,170,.06);border-radius:8px;
  cursor:pointer;
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23989880' opacity='.4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
  transition:all .3s;
}
.field select:hover{border-color:rgba(200,190,170,.1);background:rgba(34,32,28,.7)}
.field select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 20px var(--gold-glow)}
.field select:disabled{opacity:.3;cursor:not-allowed}
.field select option{background:#201e1a;color:var(--tx)}

.minute-inp{
  width:100%;padding:12px 14px;
  font-size:14px;font-family:inherit;font-weight:500;
  color:var(--tx);background:rgba(30,28,24,.6);
  border:1px solid rgba(200,190,170,.06);border-radius:8px;
  text-align:center;letter-spacing:2px;
  transition:all .3s;
  -moz-appearance:textfield;
}
.minute-inp::-webkit-inner-spin-button,.minute-inp::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.minute-inp:focus{outline:none;border-color:var(--gold);box-shadow:0 0 20px var(--gold-glow)}
.minute-inp::placeholder{color:var(--tx3);opacity:.4}
.minute-hint{display:block;font-size:10px;color:var(--tx3);opacity:.4;margin-top:3px;text-align:center}

/* Radio */
.radio-group{display:flex;gap:6px}
.radio{
  flex:1;display:flex;align-items:center;justify-content:center;
  padding:11px 6px;
  background:rgba(28,26,22,.5);border:1px solid rgba(200,190,170,.05);border-radius:8px;
  cursor:pointer;transition:all .35s;font-size:13px;color:var(--mist);
}
.radio:hover{border-color:rgba(200,190,170,.1)}
.radio input{display:none}
.radio:has(input:checked){
  border-color:var(--gold);background:rgba(201,168,76,.08);
  color:var(--gold-l);box-shadow:0 0 24px var(--gold-glow);
}
.radio span{pointer-events:none;letter-spacing:1px}

/* paipan.html 的起盘推演按钮 */
.submit{
  width:100%;padding:16px;margin-top:12px;
  font-family:inherit;font-size:17px;font-weight:700;letter-spacing:10px;
  color:var(--ink);
  background:linear-gradient(135deg,var(--gold-d) 0%,var(--gold) 40%,var(--gold-l) 100%);
  background-size:200% 100%;
  border:none;border-radius:8px;cursor:pointer;
  transition:all .4s;
  box-shadow:0 4px 24px rgba(201,168,76,.2);
  animation:shimmer 3s ease-in-out infinite;
}
.submit:hover{transform:translateY(-1px);box-shadow:0 6px 32px rgba(201,168,76,.3)}
.submit:active{transform:translateY(0);box-shadow:0 2px 12px rgba(180,160,140,.15)}
.submit.loading{pointer-events:none;opacity:.65}

.submit-btn{
  width:100%;padding:14px;margin-top:8px;
  font-family:inherit;font-size:15px;font-weight:700;letter-spacing:8px;
  color:var(--ink);
  background:linear-gradient(135deg,var(--gold-d) 0%,var(--gold) 40%,var(--gold-l) 100%);
  background-size:200% 100%;
  border:none;border-radius:8px;cursor:pointer;
  transition:all .4s;
  box-shadow:0 4px 24px rgba(201,168,76,.2);
  animation:shimmer 3s ease-in-out infinite;
}
.submit-btn:hover{transform:translateY(-1px);box-shadow:0 6px 32px rgba(201,168,76,.3)}
.submit-btn:active{transform:translateY(0)}

/* === Buy Card === */
.buy-card{text-align:center}
.buy-card .price{
  font-size:2.8rem;font-weight:900;color:var(--gold-l);margin:8px 0;
  letter-spacing:2px;
}
.buy-card .price small{font-size:.35em;color:var(--tx2);font-weight:400}
.buy-card .buy-desc{color:var(--tx2);font-size:13px;margin-bottom:18px;letter-spacing:1px}
.buy-card .features{
  list-style:none;text-align:left;margin-bottom:20px;font-size:13px;
}
.buy-card .features li{
  padding:4px 0;padding-left:18px;position:relative;color:var(--tx2);
}
.buy-card .features li::before{
  content:'◆';position:absolute;left:0;color:var(--gold);font-size:8px;top:6px;
}

/* === Chat Panel === */
.chat-panel{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);
  overflow:hidden;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  box-shadow:0 0 80px rgba(0,0,0,.5);
  min-height:500px;max-height:75vh;
}
.chat-header{
  padding:16px 20px;border-bottom:1px solid var(--bd);
  display:flex;justify-content:space-between;align-items:center;
}
.chat-header-title{font-weight:700;color:var(--gold-l);font-size:14px;letter-spacing:3px}
.chat-messages{
  flex:1;overflow-y:auto;padding:20px;
  display:flex;flex-direction:column;gap:14px;
  min-height:350px;max-height:55vh;
}
.chat-messages::-webkit-scrollbar{width:4px}
.chat-messages::-webkit-scrollbar-track{background:transparent}
.chat-messages::-webkit-scrollbar-thumb{background:var(--bd);border-radius:2px}

/* Message Bubbles */
.message{display:flex;gap:8px;max-width:88%;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.message.user{align-self:flex-end;flex-direction:row-reverse}
.message.ai{align-self:flex-start}
.msg-avatar{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;flex-shrink:0;
}
.message.user .msg-avatar{background:rgba(180,160,140,.15)}
.message.ai .msg-avatar{background:rgba(196,30,58,.12)}
.msg-bubble{
  padding:12px 16px;border-radius:14px;font-size:14px;line-height:1.7;word-break:break-word;
}
.message.user .msg-bubble{
  background:rgba(201,168,76,.1);border:1px solid var(--bd);
  border-bottom-right-radius:4px;
}
.message.ai .msg-bubble{
  background:rgba(200,190,170,.04);border:1px solid rgba(200,190,170,.06);
  border-bottom-left-radius:4px;
}
.msg-bubble p{margin-bottom:6px}
.msg-bubble p:last-child{margin-bottom:0}
.msg-bubble strong{color:var(--gold-l)}
.msg-bubble em{color:var(--tx2)}

/* Typing */
.typing-indicator{display:flex;gap:4px;padding:10px 14px;align-self:flex-start}
.typing-indicator span{
  width:7px;height:7px;background:var(--gold);border-radius:50%;
  animation:typing 1.4s infinite ease-in-out;
}
.typing-indicator span:nth-child(2){animation-delay:.2s}
.typing-indicator span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,80%,100%{transform:scale(.5);opacity:.3}40%{transform:scale(1);opacity:1}}

/* Chat Input */
.chat-input-area{padding:14px 18px;border-top:1px solid var(--bd);display:flex;gap:10px;align-items:flex-end}
.chat-input{
  flex:1;padding:12px 16px;
  background:rgba(30,28,24,.6);border:1px solid rgba(200,190,170,.06);border-radius:20px;
  color:var(--tx);font-size:14px;font-family:inherit;outline:none;
  resize:none;min-height:42px;max-height:100px;line-height:1.5;
  transition:border-color .3s;
}
.chat-input:focus{border-color:var(--gold);box-shadow:0 0 16px var(--gold-glow)}
.chat-input::placeholder{color:var(--tx3);opacity:.5}
.chat-send-btn{
  width:42px;height:42px;border-radius:50%;border:none;
  background:linear-gradient(135deg,var(--gold-d),var(--gold));
  color:var(--ink);font-size:18px;cursor:pointer;flex-shrink:0;
  transition:all .3s;display:flex;align-items:center;justify-content:center;
}
.chat-send-btn:hover{transform:scale(1.06);box-shadow:0 4px 20px rgba(201,168,76,.3)}
.chat-send-btn:disabled{opacity:.3;cursor:not-allowed;transform:none}

/* Chat Empty */
.chat-empty{
  flex:1;display:flex;flex-direction:column;align-items:center;
  justify-content:center;color:var(--tx3);text-align:center;padding:40px;gap:10px;
}
.chat-empty-icon{font-size:42px;margin-bottom:4px;opacity:.6}
.chat-empty h3{color:var(--gold-l);font-weight:600;font-size:15px;letter-spacing:2px}
.chat-empty p{max-width:280px;font-size:13px;line-height:1.7}
.chat-empty code{
  display:block;margin-top:6px;padding:8px 14px;
  background:rgba(201,168,76,.06);border:1px dashed var(--bd2);
  border-radius:6px;font-size:12px;color:var(--gold-l);letter-spacing:1px;
}

/* === Modal === */
.modal-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(0,0,0,.75);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .25s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);
  padding:32px 28px;max-width:400px;width:90%;text-align:center;
  box-shadow:0 0 60px rgba(0,0,0,.6);
}
.modal h3{color:var(--gold-l);font-size:1.2rem;margin-bottom:10px;letter-spacing:3px}
.modal p{color:var(--tx2);margin-bottom:18px;font-size:13px;line-height:1.6}
.modal .code-display{
  background:rgba(30,28,24,.6);border:2px dashed var(--bd2);border-radius:8px;
  padding:14px;font-size:1.4rem;font-weight:700;color:var(--gold-l);
  letter-spacing:6px;margin-bottom:14px;user-select:all;
  font-family:monospace;
}
.modal .btn{margin-top:6px}

/* === Toast === */
.toast{
  position:fixed;top:20px;right:20px;z-index:200;
  padding:12px 22px;border-radius:20px;font-size:13px;font-weight:600;
  letter-spacing:1px;
  animation:slideIn .3s ease;pointer-events:none;
}
.toast.success{background:#1a2e1a;border:1px solid #2d4a2d;color:#8cd98c}
.toast.error{background:#2e1a1a;border:1px solid #4a2d2d;color:#d98c8c}
.toast.info{background:#1a242e;border:1px solid #2d404a;color:#8cbad9}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* === Footer === */
.footer{width:100%;text-align:center;margin-top:40px}
.footer p{font-size:11px;color:var(--tx3);letter-spacing:2px;line-height:2}

/* === Ink Splash === */
.ink-splash{
  position:fixed;pointer-events:none;z-index:0;
  border-radius:50%;filter:blur(80px);opacity:.03;
}
.ink-splash.tl{top:-120px;left:-80px;width:300px;height:300px;background:var(--gold)}
.ink-splash.br{bottom:-100px;right:-60px;width:260px;height:260px;background:var(--gold-d)}

/* === Responsive === */
@media(max-width:800px){
  .main-layout{grid-template-columns:1fr}
  .chat-messages{max-height:35vh}
  .header h1{font-size:36px;letter-spacing:16px}
  .app{padding:24px 12px 40px}
}
@media(max-width:400px){
  .app{padding:20px 10px 36px}
  .card{padding:20px 14px}
  .header h1{font-size:30px;letter-spacing:12px}
  .tagline{font-size:12px;letter-spacing:5px}
}

/* === Page Loader — 随机卦象 === */
.page-loader{position:fixed;inset:0;z-index:9999;background:var(--ink,#0e0c0a);
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  transition:opacity .5s ease,visibility .5s ease}
.page-loader.hidden{opacity:0;visibility:hidden;pointer-events:none}

/* === 卦象 reveal — 大尺寸金线 + 梅花同款动画 === */
.hexa-reveal{display:flex;flex-direction:column-reverse;align-items:center;gap:14px}
/* 阳爻：整条金线 */
.hexa-yao-yang{
  width:200px;height:12px;border-radius:6px;
  background:var(--gold-l,#e8cf70);
  box-shadow:0 0 20px rgba(201,168,76,.4),0 0 6px rgba(201,168,76,.7);
  opacity:0;animation:hexaReveal .5s ease-out forwards;
}
/* 阴爻：两段 */
.hexa-yao-yin{
  display:flex;gap:28px;opacity:0;animation:hexaReveal .5s ease-out forwards;
}
.hexa-yao-yin span{
  display:block;width:86px;height:12px;border-radius:6px;
  background:var(--gold-l,#e8cf70);
  box-shadow:0 0 18px rgba(201,168,76,.35),0 0 5px rgba(201,168,76,.65);
}
@keyframes hexaReveal{from{opacity:0;transform:scale(.5);filter:blur(8px)}to{opacity:1;transform:scale(1);filter:blur(0)}}
/* 卦名 */
.hexa-name{
  font-size:22px;color:var(--gold-l);font-weight:700;letter-spacing:6px;
  opacity:0;animation:hexaReveal .5s ease-out forwards;margin-top:12px;
}
/* 卦辞 */
.hexa-sub{
  font-size:12px;color:rgba(180,165,140,.5);letter-spacing:3px;
  opacity:0;animation:hexaReveal .5s ease-out forwards;
}

/* 页面内容初始隐藏 */
body.loading .landing-wrap,body.loading .app,body.loading .result-container{opacity:0}
body.loaded .landing-wrap,body.loaded .app,body.loaded .result-container{
  animation:pageReveal .6s ease-out forwards}
@keyframes pageReveal{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.loader-eye{width:100px;height:60px;position:relative}
.loader-eye-svg{width:100%;height:100%}
@keyframes eyeGlow{0%,100%{filter:drop-shadow(0 0 5px var(--gold-glow))}50%{filter:drop-shadow(0 0 20px rgba(201,168,76,.5))}}


/* 修复手机端select需要点两次 */
@media(max-width:768px){
  .field select,.form-select{cursor:pointer;font-size:16px!important;-webkit-appearance:none;appearance:none}
}