:root{--bg: #111418;--surface: #1c2026;--surface-2: #262b33;--primary: #4472C4;--on-primary: #ffffff;--text: #e7eaee;--muted: #9aa3af;--error: #ff6b6b;--error-bg: #3a1f23;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:560px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 4px}.topbar h1{font-size:22px;margin:0;font-weight:700}.icon-btn{background:none;border:none;color:var(--text);font-size:22px;padding:6px;cursor:pointer;border-radius:10px}.icon-btn:active{background:var(--surface-2)}.month-nav{display:flex;align-items:center;justify-content:space-between;padding:8px 12px}.month-nav .label{font-size:19px;font-weight:600}.content{flex:1;padding:0 16px 120px}.summary{background:var(--primary);color:var(--on-primary);border-radius:var(--radius);padding:18px 20px;display:flex;justify-content:space-between;align-items:center;margin:6px 0 12px}.summary .total-label{font-size:13px;opacity:.9}.summary .total{font-size:30px;font-weight:800;line-height:1.1}.summary .dup-note{font-size:12px;opacity:.85;margin-top:4px}.summary .count{font-size:24px;font-weight:800;text-align:right}.summary .count small{display:block;font-size:12px;font-weight:500;opacity:.9}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;width:100%}.btn-outline{background:transparent;border-color:#3a414b;color:var(--text)}.btn-outline:active{background:var(--surface-2)}.btn-primary{background:var(--primary);color:var(--on-primary)}.btn-primary:active{filter:brightness(.92)}.btn-text{background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;padding:10px 14px}.btn[disabled]{opacity:.5;pointer-events:none}.list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.card{background:var(--surface);border-radius:var(--radius)}.receipt-row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:var(--radius);cursor:pointer}.receipt-row.dup{border-color:var(--error)}.receipt-row .thumb{width:56px;height:56px;border-radius:10px;object-fit:cover;background:var(--surface-2);flex:none}.receipt-row .info{flex:1;min-width:0}.receipt-row .date{font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px}.receipt-row .sub{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.receipt-row .amount{font-weight:700;font-size:15px;white-space:nowrap}.receipt-row .amount.dup{color:var(--muted)}.badge-dup{background:var(--error-bg);color:var(--error);font-size:10px;font-weight:800;letter-spacing:.5px;padding:2px 7px;border-radius:20px}.fab{position:fixed;left:50%;transform:translate(-50%);bottom:calc(20px + env(safe-area-inset-bottom));background:var(--primary);color:var(--on-primary);border:none;border-radius:30px;padding:15px 26px;font-size:16px;font-weight:700;box-shadow:0 6px 20px #0006;display:inline-flex;align-items:center;gap:10px;cursor:pointer}.empty{text-align:center;color:var(--muted);padding:60px 24px}.empty .big{font-size:48px}.field{margin-bottom:12px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.input{width:100%;background:var(--surface);border:1px solid #3a414b;color:var(--text);border-radius:10px;padding:12px;font-size:16px}.input.error{border-color:var(--error)}.field .hint{font-size:12px;color:var(--muted);margin-top:4px}.field .hint.error{color:var(--error)}.row2{display:flex;gap:10px}.row2>*{flex:1}.review-img{width:100%;max-height:240px;object-fit:contain;border-radius:10px;background:#000;margin-bottom:12px}.warn-banner{background:var(--error-bg);color:var(--error);border-radius:10px;padding:10px 12px;font-size:13px;font-weight:500;margin-bottom:12px}.sticky-save{position:sticky;bottom:0;padding:12px 0 calc(12px + env(safe-area-inset-bottom));background:linear-gradient(180deg,transparent,var(--bg) 24%)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{background:var(--surface);border-radius:16px;padding:18px;width:100%;max-width:420px;max-height:86vh;overflow-y:auto}.modal h2{margin:0 0 6px;font-size:18px}.modal .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.divider{height:1px;background:#2f353d;margin:16px 0;border:none}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;z-index:100}.spinner{width:42px;height:42px;border:4px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;left:50%;transform:translate(-50%);bottom:calc(96px + env(safe-area-inset-bottom));background:#2c333d;color:var(--text);padding:12px 18px;border-radius:24px;font-size:14px;box-shadow:0 4px 16px #0006;z-index:120;max-width:90%}.section-title{font-size:15px;font-weight:700;margin:0 0 4px}.muted{color:var(--muted);font-size:13px}.detail-row{display:flex;justify-content:space-between;padding:4px 0}.detail-row .k{color:var(--muted)}