:root{--bg: #f4f7fb;--surface: #ffffff;--border: #dbe3ef;--text: #1e293b;--muted: #64748b;--accent: #0891b2;--accent-dim: #0e7490;--danger: #dc2626;--radius: 14px;--input-bg: #f8fafc;--input-border: #cbd5e1;--input-border-hover: #94a3b8;--input-radius: 10px;--input-shadow: inset 0 1px 2px rgba(15, 23, 42, .04);--input-shadow-focus: 0 0 0 3px rgba(8, 145, 178, .14);font-family:DM Sans,system-ui,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(8,145,178,.1),transparent),var(--bg)}#root{min-height:100dvh}button,input,select{font:inherit}.app{max-width:420px;margin:0 auto;padding:24px 20px 40px;min-height:100dvh;display:flex;flex-direction:column}.brand{margin:8px 0 28px}.brand-logo{display:block;margin-bottom:20px;text-align:left;opacity:.95;transition:opacity .15s}.brand-logo:hover{opacity:1}.brand-logo img{height:36px;width:auto;display:block}.brand-logo--footer{margin-top:auto;margin-bottom:0;padding-top:32px;text-align:center}.brand-logo--footer img{display:inline-block;height:30px}.brand h1{margin:0;font-size:1.35rem;font-weight:600;letter-spacing:-.02em;color:var(--text)}.brand p{margin:6px 0 0;color:var(--muted);font-size:.95rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:0 1px 3px #0f172a0f}label{display:flex;flex-direction:column;gap:8px;font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.input-control,input,select{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--input-bg);border:1.5px solid var(--input-border);border-radius:var(--input-radius);padding:13px 15px;color:var(--text);font-size:1rem;font-weight:500;line-height:1.35;box-shadow:var(--input-shadow);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease}select.input-control,select{padding-right:40px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px}.input-control:hover:not(:disabled):not(:focus),input:hover:not(:disabled):not(:focus),select:hover:not(:disabled):not(:focus){border-color:var(--input-border-hover);background-color:#fff}.input-control:focus,input:focus,select:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:var(--input-shadow),var(--input-shadow-focus)}.type-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.type-label{font-size:.95rem;font-weight:500;color:var(--text);text-transform:none;letter-spacing:normal}.chevron-btn{border:1.5px solid var(--input-border);background:var(--input-bg);color:var(--muted);width:36px;height:36px;border-radius:var(--input-radius);cursor:pointer;font-size:1rem;line-height:1;box-shadow:var(--input-shadow);transition:transform .2s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;flex-shrink:0}.chevron-btn.expanded{transform:rotate(180deg)}.chevron-btn:hover{border-color:var(--accent);color:var(--accent);background:#fff;box-shadow:var(--input-shadow),var(--input-shadow-focus)}.type-panel{display:flex;flex-direction:column;gap:12px;padding-bottom:4px;border-bottom:1px solid var(--border)}.invoice-preview{margin:0;font-size:.85rem;color:var(--muted);text-transform:none;letter-spacing:normal;font-weight:400}.invoice-preview strong{color:var(--text);font-weight:600}.input-control::placeholder,input::placeholder{color:#94a3b8;font-weight:400}.input-control:disabled,input:disabled,select:disabled{opacity:.55;cursor:not-allowed;background:#f1f5f9}.input-amount{font-size:1.625rem;font-weight:600;letter-spacing:-.02em;text-align:center;padding:16px 15px}.input-amount::placeholder{font-weight:500;color:#cbd5e1}.btn{border:none;border-radius:var(--input-radius);padding:16px;font-weight:600;font-size:1rem;cursor:pointer;transition:transform .15s ease,opacity .15s ease,box-shadow .18s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px #0891b233}.btn-primary:hover:not(:disabled){box-shadow:0 4px 12px #0891b240}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.error{color:var(--danger);font-size:.875rem;margin:0;text-transform:none;letter-spacing:normal;font-weight:400}.toast{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);z-index:30;width:min(380px,calc(100vw - 32px));margin:0;padding:14px 18px;border-radius:var(--input-radius);background:#0891b2f2;border:1px solid rgba(8,145,178,.3);color:#fff;font-size:.9rem;font-weight:500;text-align:center;box-shadow:0 8px 24px #0891b240;pointer-events:none;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.user-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.875rem;color:var(--muted)}.session-header{display:flex;align-items:stretch;justify-content:space-between;gap:10px;margin-bottom:12px}.status-panel{display:flex;flex-direction:column;gap:8px;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:.8rem;box-shadow:0 1px 3px #0f172a0f;flex:1;min-width:0}.status-row{display:flex;align-items:center;gap:12px}.status-item{display:flex;align-items:center;gap:6px}.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.dot.ok{background:var(--accent)}.dot.bad{background:var(--danger)}.dot.muted{background:#94a3b8}.queue-count{color:var(--muted);min-width:72px;text-align:center}.user-badge{display:inline-flex;align-items:center;gap:0;padding:0;border:1px solid var(--border);border-radius:999px;background:var(--surface);cursor:pointer;overflow:hidden;flex-shrink:0;box-shadow:0 1px 2px #0f172a0a;transition:border-color .15s ease,box-shadow .15s ease}.user-badge:hover{border-color:var(--input-border-hover);box-shadow:0 2px 6px #0f172a14}.user-badge-name{padding:8px 12px;font-size:.8rem;font-weight:600;color:var(--text);line-height:1}.user-badge-action{padding:8px 12px;font-size:.75rem;font-weight:600;color:var(--muted);background:#f1f5f9;border-left:1px solid var(--border);line-height:1}.user-badge:hover .user-badge-action{color:var(--danger);background:#fef2f2}.link-btn{background:none;border:none;color:var(--accent-dim);cursor:pointer;text-decoration:underline;padding:0}.amount-display{font-size:2rem;font-weight:600;text-align:center;padding:4px 0 2px;color:var(--text);letter-spacing:-.02em}