:root{color-scheme:light;--bg: #f4f5f7;--surface: #ffffff;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--accent: #2563eb;--danger: #dc2626;--overdue: #dc2626;--due-soon: #d97706;--ok: #16a34a;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.top-nav{display:flex;gap:4px;padding:8px 12px;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto;position:sticky;top:0;z-index:10;-webkit-overflow-scrolling:touch;scrollbar-width:none}.top-nav::-webkit-scrollbar{display:none}.top-nav a{padding:8px 12px;border-radius:6px;text-decoration:none;color:var(--text);white-space:nowrap;font-size:14px}.top-nav a.active{background:var(--accent);color:#fff}.page{padding:16px;max-width:960px;margin:0 auto;width:100%}h1{font-size:20px;margin:0 0 16px}h2{font-size:16px;margin:24px 0 8px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px;overflow-x:auto;-webkit-overflow-scrolling:touch}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.stat{text-align:center}.stat .value{font-size:24px;font-weight:600}.stat .label{font-size:12px;color:var(--muted)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase}form{display:flex;flex-direction:column;gap:10px;max-width:420px}label{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px}.filter{margin-bottom:14px;max-width:220px}input,select,textarea{padding:10px;border:1px solid var(--border);border-radius:6px;font-size:15px}button{padding:10px 16px;border-radius:6px;border:none;background:var(--accent);color:#fff;font-size:15px;cursor:pointer}button.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}button.danger{background:var(--danger)}button.small{padding:5px 10px;font-size:13px}button:disabled{opacity:.5;cursor:default}.row-actions{display:flex;gap:6px}td input{width:100%;padding:6px 8px;font-size:14px}.error{color:var(--danger);font-size:14px}.muted{color:var(--muted)}.field-hint{font-size:12px;color:var(--muted)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.OVERDUE{background:#fee2e2;color:var(--overdue)}.badge.DUE_SOON{background:#fef3c7;color:var(--due-soon)}.badge.OK{background:#dcfce7;color:var(--ok)}.quick-pay-list{display:flex;flex-direction:column;gap:8px}.quick-pay-item{display:flex;justify-content:space-between;align-items:center;padding:18px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:10px;font-size:17px;cursor:pointer;text-align:left}.quick-pay-item small{display:block;color:var(--muted);font-size:13px;margin-top:2px}.toast{position:fixed;bottom:16px;left:50%;transform:translate(-50%);background:var(--ok);color:#fff;padding:10px 20px;border-radius:8px;font-size:14px}.toast button.secondary{background:#ffffff26;color:#fff;border:1px solid white}.reminder-links{display:flex;flex-wrap:wrap;gap:6px}.reminder-link{display:inline-block;padding:5px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;line-height:1.2;text-decoration:none;color:var(--accent);background:var(--surface);white-space:nowrap;cursor:pointer}.reminder-link.as-button{font-family:inherit}.landing{--accent-strong: #1d4ed8;--accent-tint: #eff4ff;--ink: #0f172a}.landing{color:var(--ink)}.landing section,.landing-nav{max-width:1080px;margin-inline:auto;padding-inline:24px}.landing-nav{display:flex;align-items:center;justify-content:space-between;padding-block:20px}.brand{font-weight:800;font-size:18px;display:inline-flex;align-items:center;gap:9px;letter-spacing:-.01em;color:var(--ink)}.brand-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent) 0%,#4f46e5 100%);color:#fff;font-weight:800;font-size:15px;display:inline-flex;align-items:center;justify-content:center}.landing-nav nav{display:flex;align-items:center;gap:18px}.nav-link{text-decoration:none;color:var(--ink);font-size:14px;font-weight:500}.nav-link:hover{color:var(--accent)}.btn-primary,.btn-ghost,.btn-cta{display:inline-block;text-decoration:none;border-radius:10px;font-size:14px;font-weight:600;padding:10px 18px;transition:transform .05s ease,box-shadow .2s ease}.btn-primary{background:linear-gradient(135deg,var(--accent) 0%,#4f46e5 100%);color:#fff;box-shadow:0 6px 16px #2563eb47}.btn-primary:hover{box-shadow:0 10px 24px #2563eb5c}.btn-primary:active{transform:translateY(1px)}.btn-ghost{color:var(--ink);border:1px solid var(--border);background:var(--surface)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-cta{background:#fff;color:var(--accent-strong);box-shadow:0 8px 24px #0000002e}.btn-cta:hover{box-shadow:0 12px 30px #0000003d}.btn-primary.lg,.btn-ghost.lg,.btn-cta.lg{padding:14px 26px;font-size:16px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-block:64px 72px}.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--accent);background:var(--accent-tint);padding:6px 12px;border-radius:999px;margin-bottom:18px}.hero h1{font-size:48px;line-height:1.06;letter-spacing:-.02em;margin:0 0 18px;max-width:15ch}.hero-sub{font-size:18px;color:var(--muted);margin:0 0 28px;line-height:1.55;max-width:46ch}.hero-cta{display:flex;gap:12px;flex-wrap:wrap}.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;list-style:none;padding:0;margin:26px 0 0}.hero-points li{font-size:14px;color:var(--muted);position:relative;padding-left:22px}.hero-points li:before{content:"✓";position:absolute;left:0;top:-1px;color:var(--ok);font-weight:800}.hero-visual{display:flex;justify-content:center}.app-preview{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 30px 60px -20px #0f172a47;overflow:hidden;transform:perspective(1200px) rotateY(-4deg) rotateX(3deg)}.app-preview-bar{display:flex;align-items:center;gap:6px;padding:12px 14px;border-bottom:1px solid var(--border);background:#fafbfc}.app-preview-bar .dot{width:10px;height:10px;border-radius:50%;background:#e2e6ec}.app-preview-title{margin-left:10px;font-size:12px;font-weight:700;color:var(--muted)}.app-preview-body{padding:16px}.preview-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.preview-stat{background:var(--bg);border-radius:10px;padding:10px 6px;text-align:center}.preview-stat .pv{display:block;font-size:18px;font-weight:800;color:var(--ink)}.preview-stat .pv-alert{color:var(--overdue)}.preview-stat .pl{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.preview-rows{display:flex;flex-direction:column;gap:8px}.preview-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;padding:10px 12px;border:1px solid var(--border);border-radius:10px}.pill{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px}.pill-ok{background:#dcfce7;color:var(--ok)}.pill-soon{background:#fef3c7;color:var(--due-soon)}.pill-over{background:#fee2e2;color:var(--overdue)}.benefits-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;background:var(--accent-tint);border-radius:16px;padding:24px;margin-bottom:8px}.benefits-strip div{display:flex;flex-direction:column;gap:3px}.benefits-strip strong{font-size:15px;color:var(--ink)}.benefits-strip span{font-size:13px;color:var(--muted)}.section-title{font-size:30px;letter-spacing:-.02em;text-align:center;margin:0 0 8px}.section-sub{text-align:center;color:var(--muted);font-size:16px;margin:0 auto 36px;max-width:52ch}.features-section,.how-section{padding-block:64px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;transition:transform .15s ease,box-shadow .15s ease}.feature-card:hover{transform:translateY(-3px);box-shadow:0 16px 30px -18px #0f172a59}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;margin-bottom:14px;background:var(--accent-tint);color:var(--accent)}.feature-icon svg{width:24px;height:24px}.feature-card h3{margin:0 0 8px;font-size:17px;letter-spacing:-.01em}.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;list-style:none;padding:0;margin:0;counter-reset:hstep}.step{text-align:center;padding:8px}.step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;margin-bottom:14px;background:linear-gradient(135deg,var(--accent) 0%,#4f46e5 100%);color:#fff;font-weight:800;font-size:17px}.step h3{margin:0 0 6px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}.cta-band{text-align:center;color:#fff;border-radius:20px;margin-block:24px 56px;padding:56px 24px!important;background:linear-gradient(135deg,var(--accent) 0%,#4f46e5 100%)}.cta-band h2{font-size:30px;letter-spacing:-.02em;margin:0 0 10px}.cta-band p{margin:0 auto 26px;max-width:46ch;opacity:.92;font-size:16px}.landing-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;padding-block:28px 44px;border-top:1px solid var(--border);color:var(--muted);font-size:13px}.footer-links{display:flex;gap:20px}.footer-copy{color:var(--muted)}.auth-page{max-width:460px}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px;margin-top:24px}.auth-card form{max-width:100%}.auth-alt{margin-top:18px;font-size:14px;color:var(--muted)}.local-demo{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);display:flex;flex-direction:column;gap:8px;align-items:flex-start}.wizard-steps{display:flex;gap:8px;list-style:none;padding:0;margin:0 0 20px;counter-reset:step}.wizard-steps li{flex:1;font-size:12px;color:var(--muted);text-align:center;padding-top:22px;position:relative;counter-increment:step}.wizard-steps li:before{content:counter(step);position:absolute;top:0;left:50%;transform:translate(-50%);width:22px;height:22px;border-radius:999px;background:var(--border);color:var(--surface);font-weight:700;display:flex;align-items:center;justify-content:center}.wizard-steps li.active{color:var(--text)}.wizard-steps li.active:before{background:var(--accent);color:#fff}@media (max-width: 640px){.page{padding:12px}h1{font-size:19px;margin-bottom:12px}.hero{grid-template-columns:1fr;gap:32px;padding-block:32px 40px;text-align:center}.hero h1{font-size:32px;max-width:none}.hero-sub{font-size:16px;max-width:none;margin-inline:auto}.hero-cta,.hero-points{justify-content:center}.app-preview{transform:none}.benefits-strip{grid-template-columns:1fr}.features-section,.how-section{padding-block:44px}.steps{grid-template-columns:1fr}.section-title,.cta-band h2{font-size:24px}th,td{white-space:nowrap}input,select,textarea,td input{font-size:16px}form{max-width:100%}button.small{padding:8px 12px}.stat .value{font-size:21px}.toast{left:12px;right:12px;transform:none;text-align:center}}