:root{--bg-color: #f5f5f5;--text-main: #333333;--gold-color: #d4af37;--header-bg: #ffffff;--table-head-bg: #e0e0e0;--row-even-bg: #ffffff;--row-odd-bg: #f9f9f9;--font-family: system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0;user-select:none}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);overflow:hidden;width:100vw;height:100vh}.hidden{display:none!important}.screen{width:100%;height:100%;position:absolute;top:0;left:0;display:flex;flex-direction:column}#screen-pairing{justify-content:center;align-items:center;text-align:center;background:#fff}.pairing-container{display:flex;width:90%;max-width:1100px;background:#fff;border-radius:16px;box-shadow:0 10px 30px #00000026;overflow:hidden;text-align:left;margin:auto}.pairing-instructions{flex:1.2;padding:50px;background:#fdfdfd;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.pairing-instructions h1{font-size:2.5rem;color:#c49a00;margin-bottom:20px}.pairing-instructions ol{font-size:1.2rem;color:#555;padding-left:25px;margin-bottom:30px;line-height:1.6}.pairing-instructions li{margin-bottom:10px}.pairing-qr-area{flex:1;padding:40px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fff;border-left:1px solid #eee}.btn-primary{padding:15px 30px;font-size:1.3rem;background-color:#333;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background .2s;align-self:flex-start}.btn-primary:active{transform:translateY(1px)}.sub-text{margin-top:15px;font-size:.9rem;color:#999}.qr-placeholder{width:250px;height:250px;background:#eee;display:flex;align-items:center;justify-content:center;color:#999;border-radius:12px;font-style:italic;text-align:center;padding:20px}.qr-box{margin:0 auto;border:1px solid #ddd;padding:20px;background:#fff;display:inline-block;border-radius:12px;box-shadow:0 4px 12px #0000001a;position:relative}.qr-expired-overlay{position:absolute;inset:0;background:#ffffffe6;display:flex;justify-content:center;align-items:center;font-size:2rem;font-weight:700;color:#d32f2f;backdrop-filter:blur(2px)}.qr-status{margin-top:1rem;font-size:1.2rem;font-weight:700;color:#555;display:flex;flex-direction:column;gap:5px}.qr-timer{color:#d4af37;font-family:monospace;font-size:1.5rem}.btn-regen{margin-top:2rem;padding:10px 20px;font-size:1.2rem;background-color:var(--gold-color);color:#fff;border:none;border-radius:6px;cursor:pointer;box-shadow:0 2px 5px #0003}.btn-regen:active{transform:translateY(1px)}.dashboard-header{height:12vh;display:flex;justify-content:center;background:var(--header-bg);box-shadow:0 2px 8px #0000000d}.header-container,.main-container,.footer-container{width:90%;max-width:1200px;display:flex;justify-content:space-between;align-items:center}.header-container{height:100%}.header-left{display:flex;align-items:center;gap:20px}.shop-info{display:flex;flex-direction:column;justify-content:center}.shop-details{font-size:1.8vh;color:#666;margin-top:.5vh}.logo{height:8vh;object-fit:contain}#shop-name{font-size:3.5vh;font-weight:800;text-transform:uppercase;color:#b8860b}.clock{font-size:4vh;font-weight:700;font-variant-numeric:tabular-nums;color:#444}.dashboard-main{flex:1;display:flex;flex-direction:column;align-items:center;padding-top:2vh}.table-container{flex:1;display:flex;flex-direction:column;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000000d}.table-head{display:grid;grid-template-columns:2fr 1fr 1fr 1fr .5fr;background:var(--table-head-bg);padding:1.5vh 0;font-size:2.2vh;font-weight:700;text-transform:uppercase;color:#333}.th{text-align:right;padding:0 20px}.th.col-type{text-align:left;padding-left:40px}.rate-grid{flex:1;overflow-y:hidden}.rate-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr .5fr;padding:2vh 0;font-size:3.5vh;align-items:center;border-bottom:1px solid #eee}.rate-row:nth-child(2n){background:var(--row-even-bg)}.rate-row:nth-child(odd){background:var(--row-odd-bg)}.td{text-align:right;padding:0 20px;font-weight:600}.td.col-type{text-align:left;padding-left:40px;font-weight:700;color:#888}.td.col-buy,.td.col-sell{color:#d32f2f;font-weight:800}.td.col-other{color:#555}.td.col-unit{text-align:center;color:#888;font-size:.9em;padding-right:20px}.dashboard-footer{height:6vh;background:#eee;display:flex;justify-content:center;font-size:1.8vh;color:#666;border-top:1px solid #ddd}.footer-container{width:95%;max-width:1300px;display:flex;justify-content:space-between;align-items:center;height:100%}#btn-reset{background:transparent;border:1px solid #999;color:#666;padding:5px 15px;font-size:1.5vh;border-radius:4px;cursor:pointer;opacity:.6}#btn-fullscreen{background:transparent;border:1px solid #999;color:#666;padding:5px 15px;font-size:1.5vh;border-radius:4px;cursor:pointer;opacity:.8;margin-right:10px}#btn-fullscreen:hover{background:#e0e0e0}#btn-fullscreen:active{background:#ccc}#btn-reset:active{background:#ddd}.overlay{position:fixed;inset:0;background:#fffffff2;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999}.spinner{width:50px;height:50px;border:5px solid #ddd;border-top-color:#333;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{to{transform:rotate(360deg)}}#overlay-msg{font-size:2rem;color:#333;margin-bottom:20px}#btn-overlay-retry{padding:10px 30px;font-size:1.5rem;cursor:pointer}