:root{--navy:#0f2540;--navy-deep:#0a1a2e;--amber:#faac28;--amber-deep:#c98410;--ground:#f3f4f6;--surface:#fff;--line:#e4e7ec;--line-strong:#cbd1da;--ink:#18212f;--ink-soft:#4b5565;--ink-faint:#7a8494;--danger:#b42318;--success:#157347;--radius:14px;--radius-sm:10px;--nav-h:64px;color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{height:100%}body{margin:0;background:var(--ground);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}button,input,select,textarea{font:inherit;color:inherit}a{color:inherit}.app{min-height:100%;display:flex;flex-direction:column}.app-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:var(--navy-deep);color:#fff;padding:max(14px,env(safe-area-inset-top)) 18px calc(14px + env(safe-area-inset-top));display:flex;align-items:center;gap:10px}.app-header img{width:26px;height:26px}.app-header .title{font-weight:650;font-size:16px;flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-header button{background:none;border:0;color:hsla(0,0%,100%,.7);font-size:13px;padding:6px 4px}.app-main{flex:1 1;padding:16px 16px calc(var(--nav-h) + 24px);max-width:560px;width:100%;margin:0 auto}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line);display:flex;z-index:10}.bottom-nav a{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-decoration:none;color:var(--ink-faint);font-size:11.5px;font-weight:600}.bottom-nav a .dot{width:6px;height:6px;border-radius:50%;background:transparent}.bottom-nav a.active{color:var(--navy)}.bottom-nav a.active .dot{background:var(--amber)}h1{font-size:22px;letter-spacing:-.01em;margin:4px 0 2px}h1,h2{font-weight:650}h2{font-size:14.5px;margin:0 0 10px}.subtitle{color:var(--ink-soft);margin:0 0 18px;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;height:48px;padding:0 18px;border:1px solid var(--navy);border-radius:var(--radius-sm);background:var(--navy);color:#fff;font-weight:650;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.55}.btn.secondary{background:var(--surface);color:var(--navy);border-color:var(--line-strong)}.btn.danger{background:var(--surface);color:var(--danger);border-color:#efc9c5}.btn.auto{width:auto;height:40px;padding:0 16px;font-size:13.5px}.fab{position:fixed;right:18px;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 16px);width:56px;height:56px;border-radius:50%;background:var(--amber);color:var(--navy-deep);border:0;font-size:28px;line-height:1;box-shadow:0 4px 14px rgba(15,37,64,.3);display:flex;align-items:center;justify-content:center;text-decoration:none;z-index:5}.card{padding:16px;margin-bottom:14px}.card,.list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.list{overflow:hidden}.list-row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;min-height:56px}.list-row:last-child{border-bottom:0}.list-row:active{background:#f8f9fb}.list-row .main{flex:1 1;min-width:0}.list-row .primary{font-weight:600;font-size:15px}.list-row .primary,.list-row .secondary{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-row .secondary{color:var(--ink-soft);font-size:13px;margin-top:2px}.list-row .trailing{text-align:right;flex-shrink:0}.list-row .amount{font-weight:650;font-size:15px}.empty-state{text-align:center;color:var(--ink-soft);padding:48px 20px}.empty-state strong{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:650;text-transform:capitalize;margin-top:4px}.badge.draft{background:#eef0f3;color:#4b5565}.badge.sent{background:#fff1d6;color:#92590a}.badge.paid{background:#e0f4e8;color:var(--success)}.toolbar{display:flex;gap:10px;margin-bottom:14px}.toolbar input,.toolbar select{height:44px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-bottom:16px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.stat-card .label{color:var(--ink-soft);font-size:12.5px;margin-bottom:4px}.stat-card .value{font-size:20px;font-weight:650;color:var(--navy)}.stat-card.attention{border-top:3px solid var(--amber)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:13px;font-weight:650}.field .hint{font-size:12.5px;color:var(--ink-faint)}input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);height:46px;padding:0 13px}textarea{height:auto;min-height:90px;padding:10px 13px;resize:vertical}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(250,172,40,.35)}input,select,textarea{scroll-margin-top:76px;scroll-margin-bottom:96px}.section-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-faint);margin:22px 0 10px}.section-label:first-child{margin-top:0}.form-section{margin:22px 0 10px}.form-section:first-child{margin-top:0}.form-section-intro h2{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-faint);margin:0 0 10px}.form-section-intro p{display:none}.item-row{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;margin-bottom:10px}.item-row-top{display:flex;gap:8px;margin-top:8px}.item-row-top .field{flex:1 1;margin-bottom:0}.item-row-total{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:13px;color:var(--ink-soft)}.item-row-total strong{color:var(--ink)}.remove-link{background:none;border:0;color:var(--danger);font-size:13px;padding:4px 0}.totals-box{margin-top:6px}.totals-box .line{display:flex;justify-content:space-between;padding:6px 0;color:var(--ink-soft);font-size:14px}.totals-box .line.grand{color:var(--ink);font-weight:650;font-size:18px;border-top:1px solid var(--line-strong);margin-top:4px;padding-top:12px}.save-bar{display:flex;flex-direction:column;gap:10px;margin:26px 0 0;padding:18px 0 0;border-top:1px solid var(--line)}.status-msg{font-size:13.5px;text-align:center}.status-msg.error{color:var(--danger)}.status-msg.success{color:var(--success)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy-deep);padding:20px}.login-card{width:100%;max-width:360px;background:var(--surface);border-radius:var(--radius);padding:28px 22px}.login-logo{width:40px;height:40px;margin-bottom:10px}.center-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--ink-soft)}.logo-preview{width:100%;max-width:220px;height:84px;object-fit:contain;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:8px;margin-bottom:10px}.header-new-btn,.sidebar{display:none}@media (min-width:860px){.app-shell{display:flex;min-height:100%}.app{flex:1 1;min-width:0}.sidebar{display:flex;flex-direction:column;width:232px;flex-shrink:0;background:var(--navy-deep);color:#fff;padding:24px 14px;gap:3px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.sidebar .brand{display:flex;align-items:center;gap:12px;padding:4px 10px 24px}.sidebar .brand img{width:32px;height:32px}.sidebar .brand-name{font-weight:650;font-size:15px;line-height:1.25}.sidebar .brand-name,.sidebar .brand-sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar .brand-sub{font-size:12px;color:hsla(0,0%,100%,.55)}.sidebar a{color:hsla(0,0%,100%,.72);text-decoration:none;padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;border-left:3px solid transparent}.sidebar a:hover{background:hsla(0,0%,100%,.07);color:#fff}.sidebar a.active{background:hsla(0,0%,100%,.1);color:#fff;font-weight:600;border-left-color:var(--amber)}.sidebar-signout{margin-top:auto;text-align:left;color:hsla(0,0%,100%,.55);background:none;border:0;padding:10px 14px;font-size:13px;cursor:pointer;border-radius:var(--radius-sm)}.sidebar-signout:hover{color:#fff;background:hsla(0,0%,100%,.07)}.app-header,.bottom-nav,.fab{display:none}.app-main{max-width:1600px;width:100%;margin:0;padding:44px 48px 60px}h1{font-size:27px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.header-new-btn{display:inline-flex;width:auto;padding:0 20px;flex-shrink:0}.stats-grid{grid-template-columns:repeat(4,1fr);gap:16px}.toolbar{max-width:420px}.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 32px;max-width:760px}.form-section{display:grid;grid-template-columns:230px minmax(0,1fr);grid-gap:8px 40px;gap:8px 40px;margin:0;padding:30px 0;border-bottom:1px solid var(--line)}.form-section:last-child{border-bottom:0}.form-section-intro h2{font-size:15px;font-weight:650;text-transform:none;letter-spacing:normal;color:var(--ink);margin:0}.form-section-intro p{display:block;font-size:13px;color:var(--ink-soft);margin:6px 0 0;line-height:1.5}.form-section-fields{display:grid;grid-template-columns:1fr 1fr;grid-gap:18px 20px;gap:18px 20px;align-content:start}.form-section-fields .field{margin-bottom:0}.form-section-fields .field:has(textarea){grid-column:1/-1}.form-section:has(.form-section-block){grid-template-columns:1fr}.form-section:has(.form-section-block) .form-section-intro{margin-bottom:14px}.item-row{display:flex;align-items:flex-end;gap:14px;padding:14px}.item-row .field{margin-bottom:0}.item-row>.field:first-child{flex:1 1}.item-row-top{margin-top:0;flex-shrink:0}.item-row-top .field{flex:0 0 110px}.item-row-total{flex-direction:column;align-items:flex-end;gap:4px;margin-top:0;flex-shrink:0}.totals-box{margin-left:auto;width:280px}.save-bar{flex-direction:row;align-items:center;max-width:760px}.save-bar .btn{width:auto;padding:0 22px}.status-msg{text-align:left}.login-screen{background:var(--navy-deep)}}