:root{--bg: #fffaf3;--surface: #ffffff;--text: #1f1a17;--muted: #5c524b;--brand: #b4410c;--brand-dark: #8a3009;--brand-soft: #fde9dc;--border: #e6d9cc;--ok: #1d7a3a;--warn: #a15c00;--danger: #b3261e;--radius: 16px;--tap: 56px;--gutter: max(16px, calc((100vw - 928px)/2) );font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Noto Sans Devanagari,Noto Sans Bengali,sans-serif;font-size:18px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:3px solid #1a5fd0;outline-offset:2px}.screen{min-height:100dvh;display:flex;flex-direction:column}.screen-shell{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:center;gap:12px;padding:12px var(--gutter);padding-top:calc(12px + env(safe-area-inset-top));background:var(--brand);color:#fff}.topbar-title{flex:1;min-width:0}.brand{font-size:.8rem;opacity:.9;letter-spacing:.02em}.topbar h1{margin:0;font-size:1.4rem;line-height:1.2}.net{font-size:.8rem;padding:4px 10px;border-radius:999px;background:#ffffff2e;white-space:nowrap}.net:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}.net-on:before{background:#7ee29a}.net-off:before{background:#ffcf70}.lock-button{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:var(--tap);min-height:var(--tap);padding:4px 10px;border:2px solid rgba(255,255,255,.6);border-radius:12px;background:transparent;color:#fff;font-size:.75rem;cursor:pointer}.guide-bar{padding:12px var(--gutter) 0}.guide-button{display:flex;align-items:center;gap:10px;width:100%;min-height:var(--tap);padding:8px 16px;border:2px solid var(--brand);border-radius:var(--radius);background:var(--brand-soft);color:var(--brand-dark);font-weight:600;cursor:pointer;text-align:left}.guide-panel{margin:12px 0 0;padding:16px;border:2px solid var(--brand);border-radius:var(--radius);background:var(--surface)}.guide-panel h2{margin:0 0 8px;font-size:1.1rem}.guide-transcript{font-size:1.05rem;margin:8px 0 12px}.guide-status{color:var(--ok);margin:0;font-weight:600}.guide-notice{color:var(--warn);margin:0;font-weight:600}.guide-actions{display:flex;flex-wrap:wrap;gap:8px}.content{flex:1;padding:16px var(--gutter)}.lead{font-size:1.15rem;margin:0 0 16px}.note{color:var(--muted);font-size:.95rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--tap);padding:8px 18px;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-weight:600;text-decoration:none;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-danger{border-color:var(--danger);color:var(--danger)}.confirm .btn-danger{background:var(--danger);color:#fff}.btn-quiet{border-color:transparent;background:transparent;color:var(--brand-dark)}.btn-wide{width:100%;margin-top:8px}.btn-big{justify-content:flex-start;text-align:left;width:100%;min-height:72px}.btn-big span{display:flex;flex-direction:column}.btn-big small{font-weight:400;color:var(--muted)}.form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px;font-weight:600}.field input{min-height:var(--tap);padding:8px 14px;font-size:1.3rem;letter-spacing:.08em;border:2px solid var(--border);border-radius:12px;background:var(--surface)}.field small{font-weight:400;color:var(--muted)}.error{color:var(--danger);font-weight:600;margin:0}.choice-list{display:grid;gap:12px;margin-bottom:16px}.choice{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:16px;min-height:80px;text-align:left;cursor:pointer;border:3px solid var(--border);border-radius:var(--radius);background:var(--surface)}.choice[aria-checked=true]{border-color:var(--brand);background:var(--brand-soft)}.choice-label{font-size:1.5rem;font-weight:700}.choice-preview{color:var(--muted)}.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:140px;padding:16px;border-radius:20px;background:var(--surface);border:2px solid var(--border);color:var(--brand-dark);text-decoration:none;font-size:1.15rem;font-weight:700;box-shadow:0 2px 0 var(--border)}.tile:active{transform:translateY(1px)}.tile-billing{background:var(--brand);color:#fff;border-color:var(--brand)}.bottomnav{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;background:var(--surface);border-top:2px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.navlink{flex:1;max-width:192px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:76px;color:var(--muted);text-decoration:none;font-size:.85rem;font-weight:600}.navlink.active{color:var(--brand)}.navlink.active .icon{stroke-width:2.6}.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:24px 8px;color:var(--brand-dark)}.empty .lead{color:var(--text)}.pill{margin:0;padding:4px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-weight:600}.card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.card h2{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:1.1rem}.segmented{display:flex;flex-wrap:wrap;gap:8px}.segmented button{min-height:48px;min-width:64px;padding:6px 14px;cursor:pointer;border:2px solid var(--border);border-radius:12px;background:var(--bg);font-weight:600}.segmented button[aria-checked=true]{border-color:var(--brand);background:var(--brand);color:#fff}.session-actions{display:grid;gap:12px}.confirm{position:fixed;left:16px;right:16px;bottom:calc(96px + env(safe-area-inset-bottom));max-width:560px;margin:0 auto;padding:16px;background:var(--surface);border:3px solid var(--danger);border-radius:var(--radius);box-shadow:0 8px 32px #0003}.confirm{z-index:10}.confirm h2{margin-top:0}.confirm-ok{border-color:var(--brand)}.lock-badge{display:flex;justify-content:center;color:var(--brand);margin:8px 0 16px}.sync-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;background:#ffffff2e;color:#fff;font-size:.8rem;text-decoration:none;white-space:nowrap}.sync-badge-alert{background:#ffcf70;color:#4a2a00;font-weight:700}.sync-label{display:none}.topbar h1{overflow-wrap:anywhere}.doc-meta a{color:var(--brand-dark)}.btn-action{min-height:72px;font-size:1.15rem;margin:0 0 16px}.btn-small{min-height:44px;padding:4px 12px;font-size:.9rem}.btn-grow{flex:1}.icon-btn{min-width:var(--tap);padding:8px}.back-link{margin:-8px 0 8px -12px}.button-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 16px}.search{display:flex;align-items:center;gap:8px;margin-bottom:12px;padding:0 14px;min-height:var(--tap);border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--muted)}.search input{flex:1;border:0;background:transparent;min-height:52px;font-size:1.1rem;outline:none;color:var(--text)}.search:focus-within{outline:3px solid #1a5fd0;outline-offset:2px}.rows{list-style:none;margin:0;padding:0;display:grid;gap:8px}.row{display:flex;align-items:center;gap:12px;width:100%;min-height:68px;padding:10px 14px;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);text-decoration:none;text-align:left;cursor:pointer}.row-main{flex:1;min-width:0;display:flex;flex-direction:column}.row-main strong{font-size:1.1rem;overflow-wrap:anywhere}.row-main small{color:var(--muted)}.row-side{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.row-side small{color:var(--muted)}.row-muted{opacity:.6}.row-payment{border-style:dashed}.empty-note{color:var(--muted);text-align:center;padding:24px 8px}.money{font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap}.money-due{color:var(--danger)}.money-in{color:var(--ok)}.big-money{font-size:2.2rem;margin:0}.status{padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:700;white-space:nowrap}.status-draft{background:#ece7e2;color:var(--muted)}.status-unpaid{background:#fbe1df;color:var(--danger)}.status-partial{background:#fff0d1;color:var(--warn)}.status-paid{background:#dff3e5;color:var(--ok)}.field-plain input,.field-plain textarea,.field-plain select{min-height:var(--tap);padding:8px 14px;font-size:1.1rem;letter-spacing:normal;font-weight:400;border:2px solid var(--border);border-radius:12px;background:var(--surface);width:100%}.field-plain textarea{min-height:72px;resize:vertical}.field-plain input[aria-invalid=true]{border-color:var(--danger)}fieldset.field{border:0;padding:0;margin:0;min-width:0}fieldset.field legend{padding:0;margin-bottom:6px}.check{display:flex;align-items:center;gap:12px;min-height:var(--tap);font-weight:600;cursor:pointer}.check input{width:28px;height:28px;accent-color:var(--brand)}.ok{color:var(--ok);font-weight:600;display:flex;align-items:center;gap:6px;margin:0}.pill-warn{background:#fff0d1;color:var(--warn);align-self:flex-start}.callout{padding:12px 14px;border-radius:12px;border:2px solid var(--border);margin:0 0 12px}.callout-warn{border-color:#e9b45c;background:#fff7e6}.callout ul{margin:6px 0;padding-left:20px}.chosen{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:1.15rem}.picker{display:grid;gap:8px;margin-bottom:12px}.picker .search{margin-bottom:0}.picker-empty{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.lines{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:12px}.line{border:2px solid var(--border);border-radius:12px;padding:10px 12px;background:var(--bg)}.line-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:1.1rem}.line-head .field{flex:1}.line-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}.line-amount{text-align:right;margin:6px 0 0;font-weight:700}.line-amount small{color:var(--muted);font-weight:400}.discount{display:flex;gap:8px;align-items:center}.discount input{flex:1}.rate-row{display:grid;grid-template-columns:2fr 1fr auto;gap:8px;align-items:end;margin-bottom:8px}.totals{width:100%;border-collapse:collapse;margin:8px 0 16px}.totals th{text-align:left;font-weight:400;padding:6px 0}.totals td{text-align:right;padding:6px 0}.totals-grand th,.totals-grand td{font-size:1.35rem;font-weight:700;border-top:2px solid var(--text);padding-top:10px}.sticky-actions{position:sticky;bottom:calc(80px + env(safe-area-inset-bottom));z-index:1;background:var(--bg);padding:8px 0;margin:0}.document{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:16px}.doc-header{text-align:center;border-bottom:2px solid var(--border);margin-bottom:12px;padding-bottom:8px}.doc-header h2{margin:0;font-size:1.3rem;text-transform:uppercase;letter-spacing:.04em}.doc-header p{margin:2px 0}.doc-business{font-size:1.15rem;font-weight:700}.doc-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px 16px;margin:0 0 12px}.doc-meta dt{color:var(--muted);font-size:.85rem}.doc-meta dd{margin:0;font-weight:600}.doc-lines{width:100%;border-collapse:collapse}.doc-lines th{text-align:left;font-size:.85rem;color:var(--muted);border-bottom:2px solid var(--border);padding:6px 4px}.doc-lines td{padding:8px 4px;border-bottom:1px solid var(--border);vertical-align:top}.doc-lines td small{display:block;color:var(--muted)}.doc-lines th:not(:first-child),.doc-lines td:not(:first-child){text-align:right;white-space:nowrap}.doc-h2{font-size:1.05rem;margin:16px 0 8px}.doc-footer{text-align:center;margin-top:16px}.balance{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:1.2rem;margin:12px 0 0}.balance>span:first-child{flex:1;font-weight:600}.receipt-amount{text-align:center;font-size:2.2rem;margin:8px 0 16px;color:var(--ok)}.section-title{font-size:1.1rem;margin:0 0 8px}.buckets{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:8px}.bucket{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-height:76px;padding:10px 12px;border:2px solid var(--border);border-left-width:8px;border-radius:12px;background:var(--surface);cursor:pointer;text-align:left}.bucket span{font-weight:600;font-size:.95rem}.bucket[aria-pressed=true]{outline:3px solid var(--brand)}.bucket-current{border-left-color:#7aa67f}.bucket-d1to30{border-left-color:#e3b341}.bucket-d31to60{border-left-color:#e08a2c}.bucket-d61to90{border-left-color:#d0582a}.bucket-d90plus{border-left-color:var(--danger)}.dues-list{list-style:none;padding:0;margin:0}.due-card{padding:0;overflow:hidden}.due-head{display:flex;align-items:center;gap:12px;width:100%;min-height:72px;padding:12px 16px;border:0;background:transparent;text-align:left;cursor:pointer}.due-body{padding:0 16px 8px}.due-invoice{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}.due-invoice .row{flex:1 1 220px}.review-item{display:flex;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}@media print{.topbar,.guide-bar,.bottomnav,.no-print,.sync-badge{display:none!important}.screen-shell{padding-bottom:0}.document{border:0;padding:0}body,.screen{background:#fff}}@media(min-width:640px){.tiles{grid-template-columns:repeat(3,1fr)}.tile{min-height:170px}.session-actions{grid-template-columns:1fr 1fr}.form,.choice-list{max-width:520px}.invoice-form,.invoice-form .form,.form .form{max-width:none}.buckets{grid-template-columns:repeat(5,1fr)}.sync-label{display:inline}.sync-count{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}