:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#1b2721;background:#f4f7f5;font-synthesis:none;text-rendering:optimizeLegibility;--green: #174f3b;--green-2: #247255;--green-soft: #e7f1ec;--ink: #1b2721;--muted: #64736b;--border: #d7e0db;--danger: #a32f2f;--shadow: 0 10px 30px rgba(31, 60, 47, .08)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f4f7f5}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding-bottom:calc(24px + env(safe-area-inset-bottom))}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;padding:12px max(16px,calc((100vw - 980px)/2));color:#fff;background:var(--green);box-shadow:0 3px 16px #1236292e}.topbar h1{margin:0;font-size:1.05rem;line-height:1.2}.topbar .subtitle{display:block;margin-top:2px;color:#ffffffb8;font-size:.75rem;font-weight:500}.topbar-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.container{width:min(980px,calc(100% - 28px));margin:24px auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:9px 14px;border:1px solid transparent;border-radius:10px;font-weight:700;text-decoration:none;transition:.15s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:var(--green-2)}.btn-secondary{color:var(--green);background:#fff;border-color:var(--border)}.btn-ghost{color:#fff;background:#ffffff1f;border-color:#ffffff38}.btn-danger{color:var(--danger);background:#fff5f5;border-color:#efcccc}.btn-small{min-height:34px;padding:6px 10px;font-size:.84rem}.btn-wide{width:100%}.icon-btn{width:42px;height:42px;border:0;border-radius:10px;color:#fff;background:#ffffff1f;font-size:1.2rem}.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:20px;align-items:stretch;margin-bottom:22px}.hero-card,.card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.hero-card{padding:26px}.hero h2{margin:0 0 8px;font-size:clamp(1.55rem,4vw,2.3rem);line-height:1.08}.hero p{margin:0;color:var(--muted);line-height:1.55}.hero-actions{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:20px}.section-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 12px}.section-header h2,.section-header h3{margin:0}.empty{padding:34px 20px;text-align:center;color:var(--muted)}.trip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.trip-card{padding:18px}.trip-card h3{margin:0 0 5px;font-size:1.08rem}.trip-card p{margin:4px 0;color:var(--muted);font-size:.9rem}.trip-card-footer{display:flex;gap:8px;justify-content:space-between;align-items:center;margin-top:16px}.trip-total{font-size:1.15rem;font-weight:800;color:var(--green)}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.summary-card{padding:16px}.summary-card span{display:block;color:var(--muted);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.summary-card strong{display:block;margin-top:5px;font-size:1.35rem}.expense-list{display:grid;gap:10px}.expense-card{display:grid;grid-template-columns:74px 1fr auto;gap:14px;align-items:center;padding:14px 16px}.expense-date{padding-right:12px;border-right:1px solid var(--border);color:var(--muted);font-size:.8rem;font-weight:700;text-align:center}.expense-date strong{display:block;color:var(--ink);font-size:1.5rem;line-height:1}.expense-main h3{margin:0 0 3px;font-size:.98rem}.expense-main p{margin:0;color:var(--muted);font-size:.86rem;line-height:1.35}.expense-side{text-align:right}.expense-side strong{display:block;font-size:1.05rem}.expense-actions{display:flex;gap:5px;margin-top:7px;justify-content:flex-end}.badge{display:inline-flex;align-items:center;gap:4px;margin-top:6px;padding:3px 7px;border-radius:999px;color:var(--green);background:var(--green-soft);font-size:.72rem;font-weight:800}.form-card{padding:20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .full{grid-column:1 / -1}.field{display:grid;gap:6px}.field label{font-size:.8rem;font-weight:800;color:#39483f}.field input,.field select,.field textarea{width:100%;min-height:44px;padding:10px 11px;border:1px solid #cbd7d0;border-radius:9px;color:var(--ink);background:#fff}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(36,114,85,.14);border-color:var(--green-2)}.field small{color:var(--muted);line-height:1.35}.form-section{margin:22px 0 8px;padding-top:18px;border-top:1px solid var(--border)}.form-section h3{margin:0 0 12px;font-size:1rem}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.inline-grid{display:grid;grid-template-columns:80px 1fr;gap:9px;margin-bottom:9px}.allocation-grid{display:grid;grid-template-columns:1.1fr .8fr .8fr 1.2fr;gap:8px;margin-bottom:8px}.receipt-preview{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}.receipt-tile{position:relative;min-height:130px;overflow:hidden;border:1px solid var(--border);border-radius:10px;background:#eef3f0}.receipt-tile img{width:100%;height:130px;object-fit:cover;display:block}.receipt-tile button{position:absolute;top:6px;right:6px;width:30px;height:30px;border:0;border-radius:999px;color:#fff;background:#000000a6}.notice{padding:12px 14px;border-radius:10px;color:#395449;background:var(--green-soft);font-size:.87rem;line-height:1.45}.warning{color:#7b4b18;background:#fff6e8}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));z-index:30;transform:translate(-50%);max-width:calc(100% - 32px);padding:11px 16px;border-radius:999px;color:#fff;background:#1b2721;box-shadow:var(--shadow);font-weight:700}.hidden{display:none!important}@media(max-width:720px){.topbar{padding-inline:14px;align-items:flex-start}.topbar-actions .btn span{display:none}.container{width:min(100% - 20px,980px);margin-top:14px}.hero{grid-template-columns:1fr}.hero-card{padding:22px}.summary-grid{grid-template-columns:1fr;gap:8px}.summary-card{display:flex;align-items:center;justify-content:space-between;padding:13px 15px}.summary-card strong{margin:0;font-size:1.1rem}.expense-card{grid-template-columns:54px 1fr;padding:13px}.expense-side{grid-column:2;display:flex;align-items:center;justify-content:space-between;text-align:left}.expense-actions{margin:0}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.allocation-grid{grid-template-columns:1fr 1fr;padding:10px;border:1px solid var(--border);border-radius:10px}.form-actions{position:sticky;bottom:0;z-index:5;margin-inline:-20px;margin-bottom:-20px;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:#fffffff5;border-top:1px solid var(--border)}.form-actions .btn{flex:1}}