:root{--bg:#0f1115;--surface:#1a1d24;--text:#f2f2f2;--muted:#9aa0ab;--accent:#ffb035;--danger:#e05555;--success:#3ecf8e}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px}.page,main{max-width:480px;margin:0 auto;padding:24px 16px 64px;min-height:100vh}h1,h2{margin:0 0 12px}button,input{font-size:16px;font-family:inherit}input[type=text]{width:100%;padding:14px;margin-bottom:12px;border-radius:10px;border:1px solid #333;background:var(--surface);color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:10px;border:none;font-weight:600;cursor:pointer}.btn-primary{background:var(--accent);color:#15202b;width:100%}.btn-primary:disabled{opacity:.5;cursor:default}.btn-secondary{background:transparent;border:1px solid var(--accent);color:var(--accent)}.btn-remove{background:transparent;border:none;color:var(--danger);min-height:40px;padding:0 8px;cursor:pointer}.form-error{color:var(--danger);margin:8px 0 0}.landing{justify-content:center;min-height:100vh;text-align:center;gap:16px}.landing,.qr-display{display:flex;flex-direction:column;align-items:center}.qr-display{gap:10px;background:var(--surface);padding:16px;border-radius:12px;margin:12px 0}.qr-link{font-size:13px;color:var(--muted);word-break:break-all;text-align:center;margin:0}.ledger-header{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.status-pill{display:inline-block;font-size:12px;padding:4px 10px;border-radius:999px;width:-moz-fit-content;width:fit-content}.status-connected{background:rgba(62,207,142,.15);color:var(--success)}.status-disconnected{background:rgba(224,85,85,.15);color:var(--danger)}.item-list ul,.participants ul{list-style:none;padding:0;margin:0}.item-list li,.participants li{display:flex;align-items:center;justify-content:space-between;padding:12px;background:var(--surface);border-radius:10px;margin-bottom:8px;gap:8px}.participant-offline{opacity:.5}.admin-badge,.you-badge{font-size:11px;margin-left:8px;padding:2px 8px;border-radius:999px;background:rgba(255,176,53,.15);color:var(--accent)}.you-badge{background:hsla(219,9%,64%,.2);color:var(--muted)}.item-owner{color:var(--muted);font-size:13px}.item-price{font-weight:600;margin-left:auto}.add-item-form{display:flex;gap:8px;margin-bottom:20px}.add-item-form input[type=text]{width:0;margin-bottom:0}.add-item-form input[type=text]:first-child{flex:2 1}.add-item-form input[type=text]:nth-child(2){flex:1 1}.add-item-form .btn-primary{width:auto;flex:0 0 auto}.empty-state,.join-hint{color:var(--muted)}.join-hint{font-size:13px;word-break:break-all}section{margin-bottom:24px}.btn-promote{background:transparent;border:1px solid var(--muted);color:var(--muted);min-height:36px;padding:0 10px;border-radius:8px;font-size:12px;cursor:pointer;white-space:nowrap}.shared-item-list ul{list-style:none;padding:0;margin:0 0 12px}.shared-item{display:flex;align-items:center;justify-content:space-between;padding:12px;background:var(--surface);border-radius:10px;margin-bottom:8px;gap:8px}.item-name{display:block;font-weight:600}.item-splitters{display:block}.item-quantity,.item-splitters{color:var(--muted);font-size:13px}.item-quantity{font-weight:400}.quantity-row{margin-bottom:4px}.quantity-row input[type=range]{width:100%;height:44px;accent-color:var(--accent)}.quantity-total{color:var(--muted);margin:0 0 16px}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:flex-end;justify-content:center;z-index:100}.modal{background:var(--surface);width:100%;max-width:480px;border-radius:16px 16px 0 0;padding:20px 16px 32px;max-height:85vh;overflow-y:auto}.modal-label{color:var(--muted);margin:4px 0 8px}.participant-select-list{list-style:none;padding:0;margin:0 0 12px}.participant-checkbox{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg);border-radius:10px;margin-bottom:8px;min-height:48px}.participant-checkbox input[type=checkbox]{width:22px;height:22px}.modal-actions{display:flex;gap:8px}.modal-actions .btn{flex:1 1}.checkout-link{display:inline-flex;width:-moz-fit-content;width:fit-content}.back-link{display:inline-block;color:var(--muted);margin-bottom:16px;text-decoration:none}.checkout-list{list-style:none;padding:0;margin:0 0 20px}.checkout-card{background:var(--surface);border-radius:12px;padding:16px;margin-bottom:12px}.checkout-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.checkout-base{color:var(--muted);font-size:13px}.tip-readonly{color:var(--muted);font-size:14px;margin:0 0 12px}.tip-label{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 6px}.tip-current{font-size:14px;color:var(--text);margin:0 0 10px}.tip-pills{display:flex;gap:8px;margin-bottom:10px}.tip-pill{flex:1 1;min-height:44px;border-radius:10px;border:1px solid var(--muted);background:transparent;color:var(--text);font-weight:600;cursor:pointer}.tip-pill-active{background:var(--accent);color:#15202b;border-color:var(--accent)}.tip-custom{display:flex;gap:8px;margin-bottom:12px}.tip-custom input[type=text]{flex:1 1;margin-bottom:0}.tip-flat-active{border-color:var(--accent);color:var(--accent)}.btn-clear-tip{background:transparent;border:none;padding:0 0 12px;min-height:32px;color:var(--muted);font-size:13px;text-decoration:underline;cursor:pointer}.btn-clear-tip:disabled{opacity:.5}.loading-state{color:var(--muted)}.checkout-final{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid hsla(0,0%,100%,.08);font-weight:600}.checkout-final-amount{font-size:18px;color:var(--accent)}.checkout-card-paid{border:1px solid var(--success)}.paid-badge{font-size:11px;margin-left:8px;padding:2px 8px;border-radius:999px;background:rgba(62,207,142,.15);color:var(--success)}.paid-checkbox{display:flex;align-items:center;gap:10px;margin-top:12px;min-height:44px;color:var(--text)}.paid-checkbox input[type=checkbox]{width:22px;height:22px}.grand-total{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--surface);border-radius:12px;font-weight:700;border:1px solid var(--accent)}.grand-total-amount{font-size:20px;color:var(--accent)}