:root{--color-bg:#1a1410;--color-surface:#2a2018;--color-gold:#c9a84c;--color-gold-dim:#8a6d2b;--color-copper:#b87333;--color-copper-light:#d4944a;--color-copper-dark:#7a4e1f;--color-text:#e8dcc8;--color-text-dim:#9a8b72;--color-red:#c44536;--font-display:"Ma Shan Zheng", cursive;--font-body:"Noto Serif SC", serif;--duration-flip:1s;--ease-flip:cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow-x:hidden}#root{min-height:100vh}.app{flex-direction:column;align-items:center;min-height:100vh;padding:3rem 1.5rem;display:flex;position:relative;overflow:hidden}.app:before{content:"";pointer-events:none;background:radial-gradient(at 50% 0,#c9a84c0f 0%,#0000 60%),radial-gradient(at 50% 100%,#b873330a 0%,#0000 50%);position:absolute;inset:0}.header{text-align:center;z-index:1;margin-bottom:3rem;position:relative}.title{font-family:var(--font-display);color:var(--color-gold);letter-spacing:.15em;text-shadow:0 2px 12px #c9a84c4d;margin-bottom:.75rem;font-size:clamp(2.5rem,6vw,4.5rem)}.subtitle{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.3em;font-size:clamp(.875rem,2vw,1rem)}.divider{background:linear-gradient(90deg, transparent, var(--color-gold-dim), transparent);width:120px;height:1px;margin:1.5rem auto 0}.coins-area{z-index:1;justify-content:center;align-items:center;gap:clamp(1.5rem,5vw,3rem);min-height:140px;margin:2rem 0 3rem;display:flex;position:relative}.cast-btn{z-index:1;font-family:var(--font-display);letter-spacing:.2em;background:linear-gradient(135deg, var(--color-copper-dark) 0%, var(--color-copper) 50%, var(--color-copper-dark) 100%);color:var(--color-gold);border:2px solid var(--color-gold-dim);cursor:pointer;border-radius:4px;padding:.8em 2.5em;font-size:1.5rem;transition:all .3s;position:relative;box-shadow:0 4px 16px #0006,0 0 20px #c9a84c1a}.cast-btn:hover:not(:disabled){background:linear-gradient(135deg, var(--color-copper) 0%, var(--color-copper-light) 50%, var(--color-copper) 100%);transform:translateY(-1px);box-shadow:0 4px 20px #00000080,0 0 30px #c9a84c33}.cast-btn:active:not(:disabled){transform:translateY(1px);box-shadow:0 2px 8px #0006}.cast-btn:disabled{opacity:.5;cursor:not-allowed}.result-area{text-align:center;z-index:1;opacity:0;margin-top:2.5rem;transition:opacity .6s,transform .6s;position:relative;transform:translateY(10px)}.result-area.visible{opacity:1;transform:translateY(0)}.result-label{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.2em;margin-bottom:.75rem;font-size:.875rem}.result-name{font-family:var(--font-display);color:var(--color-gold);text-shadow:0 2px 8px #c9a84c4d;margin-bottom:.5rem;font-size:clamp(2rem,5vw,3rem)}.result-symbol{color:var(--color-text);letter-spacing:.3em;margin-bottom:.75rem;font-size:1.5rem}.result-description{font-family:var(--font-body);color:var(--color-text-dim);max-width:360px;font-size:.9rem;line-height:1.8}.history{z-index:1;width:100%;max-width:480px;margin-top:3rem;position:relative}.history-title{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.2em;text-align:center;margin-bottom:1rem;font-size:.8rem}.history-list{flex-direction:column;gap:.5rem;display:flex}.history-item{background:#2a201899;border:1px solid #8a6d2b26;border-radius:4px;justify-content:space-between;align-items:center;padding:.6rem 1rem;font-size:.8rem;display:flex}.history-coins{color:var(--color-text-dim);font-family:var(--font-body);letter-spacing:.1em}.history-result{color:var(--color-gold);font-family:var(--font-display);font-size:1rem}.hint{font-family:var(--font-body);color:var(--color-text-dim);opacity:.6;letter-spacing:.1em;text-align:center;margin-top:1.5rem;font-size:.75rem}.controls{z-index:1;justify-content:center;margin:1rem 0;display:flex;position:relative}.casting-progress{z-index:1;flex-direction:column;align-items:center;gap:.75rem;margin:1.5rem 0;display:flex;position:relative}.progress-text{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.1em;font-size:.8rem}.progress-dots{gap:.5rem;display:flex}.dot{background:var(--color-surface);border:1px solid var(--color-gold-dim);border-radius:50%;width:10px;height:10px;transition:all .3s}.dot.filled{background:var(--color-gold);border-color:var(--color-gold)}.clear-history{color:var(--color-text-dim);font-family:var(--font-body);letter-spacing:.1em;cursor:pointer;background:0 0;border:1px solid #8a6d2b4d;border-radius:4px;margin-top:1rem;padding:.5rem 1rem;font-size:.75rem;transition:all .2s}.clear-history:hover{border-color:var(--color-red);color:var(--color-red)}.history-info{flex-direction:column;gap:.25rem;display:flex}.history-name{font-family:var(--font-display);color:var(--color-gold);font-size:1rem}.history-palace{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.1em;font-size:.7rem}.history-date{font-family:var(--font-body);color:var(--color-text-dim);font-size:.75rem}.history-delete{width:24px;height:24px;color:var(--color-text-dim);cursor:pointer;opacity:.5;background:0 0;border:none;justify-content:center;align-items:center;font-size:1.25rem;transition:all .2s;display:flex}.history-delete:hover{opacity:1;color:var(--color-red)}.coin{perspective:600px;cursor:default;width:120px;height:120px}.coin-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform var(--duration-flip) var(--ease-flip);position:relative}.coin.flipping .coin-inner{animation:coin-flip var(--duration-flip) var(--ease-flip)}.coin.show-front .coin-inner{transform:rotateY(0)}.coin.show-back .coin-inner{transform:rotateY(180deg)}.coin-face{backface-visibility:hidden;border:3px solid var(--color-gold-dim);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;inset:0;overflow:hidden;box-shadow:0 0 20px #c9a84c26,inset 0 0 30px #0000004d}.coin-img{object-fit:cover;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;border-radius:50%;width:100%;height:100%}.coin-front{background:0 0}.coin-front:before{content:"";border:2px solid var(--color-gold-dim);opacity:.5;z-index:1;pointer-events:none;border-radius:50%;position:absolute;inset:0}.coin-back{background:0 0;transform:rotateY(180deg)}.coin-back:before{content:"";border:2px solid var(--color-gold-dim);opacity:.5;z-index:1;pointer-events:none;border-radius:50%;position:absolute;inset:0}@keyframes coin-flip{0%{transform:rotateY(0)scale(1)}25%{transform:rotateY(540deg)scale(1.1)}50%{transform:rotateY(1080deg)scale(1.05)}75%{transform:rotateY(1620deg)scale(1)}to{transform:rotateY(2160deg)scale(1)}}@media (width<=480px){.coin{width:90px;height:90px}.coin-face:before{inset:6px}}.hexagram-panel{background:#2a2018cc;border:1px solid #8a6d2b33;border-radius:8px;width:100%;max-width:600px;margin:2rem auto;padding:1.5rem}.hexagram-main,.hexagram-bian{margin-bottom:1.5rem}.hexagram-bian{border-top:1px solid #8a6d2b33;padding-top:1.5rem}.hexagram-header{align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.hexagram-name{font-family:var(--font-display);color:var(--color-gold);text-shadow:0 2px 8px #c9a84c4d;margin:0;font-size:1.75rem}.hexagram-palace{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.1em;font-size:.875rem}.bian-label{font-family:var(--font-body);color:var(--color-red);letter-spacing:.1em;border:1px solid var(--color-red);border-radius:3px;padding:.2em .5em;font-size:.75rem}.hexagram-yaos{flex-direction:column;gap:.25rem;display:flex}.yao-row{font-family:var(--font-body);border-radius:4px;grid-template-columns:2em 2em 2em 3em 3em 2em;align-items:center;padding:.4rem .5rem;font-size:.875rem;transition:background .2s;display:grid}.yao-row:hover{background:#c9a84c0d}.yao-row.shi{background:#c9a84c1a}.yao-row.ying{background:#c9a84c0d}.yao-row.dong{background:#c4453626}.yao-position{color:var(--color-text-dim);font-family:var(--font-display)}.yao-symbol{color:var(--color-gold);text-align:center;font-size:1.25rem}.dong-marker{color:var(--color-red);margin-left:.25rem}.yao-wuxing{color:var(--color-text);text-align:center}.yao-liuqin{color:var(--color-gold);text-align:center}.yao-liushen{color:var(--color-text-dim);text-align:right;font-size:.8rem}.yao-shiying{justify-content:center;display:flex}.marker{border-radius:3px;padding:.15em .4em;font-size:.75rem;font-weight:700;display:inline-block}.shi-marker{background:var(--color-gold);color:var(--color-bg)}.ying-marker{color:var(--color-gold);border:1px solid var(--color-gold-dim);background:0 0}.hexagram-text{background:#0003;border-radius:4px;margin-top:1rem;padding:1rem}.text-label{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.2em;margin-bottom:.5rem;font-size:.75rem}.text-content{font-family:var(--font-body);color:var(--color-text);margin:0;font-size:1rem;line-height:1.8}.hexagram-yao-texts{margin-top:1rem}.yao-text-item{border-bottom:1px solid #8a6d2b1a;gap:.75rem;margin:0;padding:.5rem 0;display:flex}.yao-text-item:last-child{border-bottom:none}.yao-text-position{color:var(--color-gold);font-family:var(--font-display);min-width:3rem}.yao-text-content{color:var(--color-text);font-family:var(--font-body);line-height:1.6}.ri-gan-info{border-top:1px solid #8a6d2b33;justify-content:center;align-items:center;gap:.5rem;margin-top:1rem;padding-top:1rem;display:flex}.ri-gan-label{font-family:var(--font-body);color:var(--color-text-dim);letter-spacing:.1em;font-size:.75rem}.ri-gan-value{font-family:var(--font-display);color:var(--color-gold);font-size:1.25rem}@media (width<=480px){.hexagram-panel{padding:1rem}.yao-row{grid-template-columns:1.5em 1.5em 1.5em 2.5em 2.5em 1.5em;font-size:.8rem}.hexagram-name{font-size:1.5rem}}