:root{--bg-page: #f0f2f5;--bg-card: #ffffff;--card-shadow: 0 2px 8px rgba(0, 0, 0, .08);--bg-dropzone: #fafbfc;--bg-dropzone-active: #f0f4ff;--bg-filename: #f0f4ff;--bg-pill-inactive: #f4f6fa;--color-page-title: #1a1a2e;--color-subtitle: #666666;--color-card-title: #1a1a2e;--color-text-hint: #aaaaaa;--color-label: #555555;--color-td: inherit;--color-th: #888888;--border-dropzone: #c0c8d8;--border-th: #f0f0f0;--border-td: #f7f7f7;--border-delete-btn: #ffcdd2;--toggle-bg: #ffffff;--toggle-border: #dde1ec;--toggle-color: #555555;--error-bg: #fff0f0;--error-border: #ffcdd2;--error-color: #c62828;--tooltip-bg: #ffffff;--tooltip-border: #e0e0e0;--tooltip-color: #333333;--legend-color: #555555;--pill-inactive-color: #555555;--filter-label-color: #888888}.dark{--bg-page: #0f1117;--bg-card: #1e2130;--card-shadow: 0 2px 8px rgba(0, 0, 0, .3);--bg-dropzone: #161822;--bg-dropzone-active: #1a1f35;--bg-filename: #1a1f35;--bg-pill-inactive: #2a2f45;--color-page-title: #e8eaf6;--color-subtitle: #9e9e9e;--color-card-title: #e8eaf6;--color-text-hint: #666666;--color-label: #b0b8cc;--color-td: #c9d1e0;--color-th: #6b7280;--border-dropzone: #3a3f55;--border-th: #2a2f45;--border-td: #252a3d;--border-delete-btn: #5c2128;--toggle-bg: #1e2130;--toggle-border: #333333;--toggle-color: #e8eaf6;--error-bg: #2a1215;--error-border: #5c2128;--error-color: #f48a8a;--tooltip-bg: #1e2130;--tooltip-border: #333333;--tooltip-color: #e8eaf6;--legend-color: #aaaaaa;--pill-inactive-color: #b0b8cc;--filter-label-color: #777777}.app{min-height:100vh;padding:24px;background:var(--bg-page);transition:background .2s ease,color .2s ease}.app-header{text-align:center;margin-bottom:32px;position:relative;display:flex;flex-direction:column;align-items:center}.app-title{font-size:2rem;font-weight:700;color:var(--color-page-title)}.app-subtitle{color:var(--color-subtitle);margin-top:6px;font-size:.95rem;margin-bottom:16px}.toggle-btn{position:static;transform:none;background:var(--toggle-bg);border:1px solid var(--toggle-border);color:var(--toggle-color);border-radius:20px;padding:6px 14px;cursor:pointer;font-size:.85rem;font-weight:600;display:flex;align-items:center;gap:6px;box-shadow:0 1px 4px #0000001a;transition:all .15s ease;margin-left:8px}.app-header>button:first-of-type{margin-left:0}.toggle-btn:hover{opacity:.88;box-shadow:0 2px 8px #00000026}.toggle-btn--corner{position:fixed;top:16px;right:20px;z-index:100;margin-left:0}.expense-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.full-width{grid-column:1 / -1}.error-banner{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-color);padding:12px 16px;border-radius:8px;margin-bottom:16px;display:flex;flex-direction:column;gap:6px}.error-banner-hint{font-size:.85rem;opacity:.85}.error-banner-hint code{background:#ffffff26;border-radius:4px;padding:1px 5px;font-family:monospace}.card{background:var(--bg-card);border-radius:12px;box-shadow:var(--card-shadow)}.card-title{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--color-card-title)}.card-empty{text-align:center;color:#aaa;padding:32px}.upload-card{padding:32px;margin-bottom:24px}.dropzone{border:2px dashed var(--border-dropzone);border-radius:10px;padding:40px;text-align:center;cursor:pointer;transition:all .2s ease;background:var(--bg-dropzone)}.dropzone.active{border-color:#4a6cf7;background:var(--bg-dropzone-active)}.dropzone-icon{font-size:2.5rem;margin-bottom:12px}.dropzone-label{font-size:1rem;color:var(--color-label);margin-bottom:6px}.dropzone-hint{font-size:1rem;color:var(--color-text-hint)}.file-name{margin-top:14px;padding:8px 14px;background:var(--bg-filename);border-radius:6px;font-size:.88rem;color:#4a6cf7;display:inline-block}.upload-actions{display:flex;align-items:center;gap:12px;margin-top:18px;flex-wrap:wrap}.upload-btn{padding:10px 28px;background:#4a6cf7;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s}.upload-btn:disabled{opacity:.6;cursor:not-allowed}.new-category-btn{padding:10px 20px;background:none;color:var(--color-label);border:1px solid var(--toggle-border);border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .15s ease}.new-category-btn:hover{background:var(--bg-pill-inactive);border-color:#4a6cf7;color:#4a6cf7}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:16px;height:16px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite;margin-right:8px;vertical-align:middle}.filter-bar{background:var(--bg-card);border-radius:12px;padding:16px 20px;box-shadow:var(--card-shadow);display:flex;flex-wrap:wrap;gap:10px;align-items:center}.filter-label{font-weight:600;color:var(--filter-label-color);font-size:.85rem;margin-right:4px}.filter-pill{padding:6px 16px;border-radius:20px;border:none;cursor:pointer;font-weight:600;font-size:.85rem;transition:all .15s ease;background:var(--bg-pill-inactive);color:var(--pill-inactive-color);box-shadow:none}.chart-card{padding:24px}.chart-tooltip{background:var(--tooltip-bg);border:1px solid var(--tooltip-border);border-radius:8px;padding:10px 14px;font-size:.88rem;color:var(--tooltip-color);box-shadow:0 2px 8px #00000026}.legend-text{font-size:.82rem;color:var(--legend-color)}.table-card{padding:24px;overflow-x:auto}.expense-table{width:100%;border-collapse:collapse;font-size:.9rem}.expense-table th{padding:10px 12px;text-align:left;font-weight:600;color:var(--color-th);border-bottom:2px solid var(--border-th);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.expense-table td{padding:10px 12px;border-bottom:1px solid var(--border-td);vertical-align:middle;color:var(--color-td)}.sort-indicator{margin-left:4px;color:#4a6cf7}.category-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.78rem;font-weight:600;color:#fff}.category-select{appearance:none;border:none;border-radius:12px;padding:3px 10px;font-size:.78rem;font-weight:600;color:#fff;cursor:pointer;outline:none;transition:opacity .15s ease,box-shadow .15s ease}.category-select:hover{opacity:.88;box-shadow:0 0 0 2px #ffffff59}.category-select option{background:#2a2f45;color:#e8eaf6;font-weight:500}.amount-cell{font-weight:600}.delete-btn{background:none;border:1px solid var(--border-delete-btn);color:#e53935;border-radius:6px;padding:3px 10px;cursor:pointer;font-size:.8rem}.bookshelf-wrap{margin-bottom:24px}.bookshelf-label{font-size:.78rem;font-weight:600;color:var(--filter-label-color);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.bookshelf{position:relative;display:flex;flex-direction:row;align-items:flex-end;gap:4px;padding:16px 20px 26px;background:var(--bg-card);border-radius:12px;box-shadow:var(--card-shadow);overflow-x:auto;min-height:118px}.shelf-plank{position:absolute;bottom:0;left:0;right:0;height:20px;background:linear-gradient(to bottom,#c8a97a,#a8845a 45%,#8a6a44);border-radius:0 0 12px 12px;box-shadow:0 -2px 6px #0000002e,inset 0 2px 4px #ffffff1f}.book{flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:2px 2px 0 0;cursor:default;position:relative;transform-origin:bottom center;transform:rotate(var(--book-tilt, 0deg));background-image:linear-gradient(to right,#0000001a,#ffffff14 40%,#00000012);background-blend-mode:overlay;box-shadow:2px 0 5px #00000040,inset -3px 0 6px #00000026;transition:transform .15s ease,box-shadow .15s ease}.book:hover{transform:translateY(-8px);box-shadow:3px 0 14px #0000004d,inset -3px 0 6px #0000001f;z-index:2}.book-spine-text{writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);font-size:.6rem;font-weight:700;color:#ffffffe0;letter-spacing:.05em;text-shadow:0 1px 2px rgba(0,0,0,.45);-webkit-user-select:none;user-select:none;overflow:hidden;max-height:90%;pointer-events:none}@keyframes slideUp{0%{opacity:0;transform:translateY(22px) rotate(var(--book-tilt, 0deg))}to{opacity:1;transform:translateY(0) rotate(var(--book-tilt, 0deg))}}.book--new{animation:slideUp .4s ease}.shelf-empty{font-size:.85rem;color:var(--color-text-hint);font-style:italic;align-self:center;width:100%;text-align:center;padding-bottom:20px}.paywall-overlay{position:fixed;inset:0;z-index:1000;background:var(--bg-page);display:flex;align-items:center;justify-content:center}.paywall-container{width:100%;max-width:480px;height:100vh;overflow-y:auto}.paywall-error-box{display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px;background:var(--bg-card);border-radius:12px;box-shadow:var(--card-shadow);max-width:360px;text-align:center}.paywall-error-msg{color:var(--error-color);font-size:.95rem}.dark .shelf-plank{background:linear-gradient(to bottom,#7a5e38,#5e4428 45%,#3e2e18)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-content{background:var(--bg-card);border-radius:12px;box-shadow:0 10px 40px #0000004d;max-width:400px;width:90%;padding:0;overflow:hidden;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.95) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-th)}.modal-title{font-size:1.2rem;font-weight:700;color:var(--color-card-title);margin:0}.modal-close{background:none;border:none;font-size:1.8rem;color:var(--color-text-hint);cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background .15s ease}.modal-close:hover{background:var(--bg-pill-inactive)}.modal-form{padding:24px}.form-group{margin-bottom:18px}.form-group:last-of-type{margin-bottom:24px}.form-group label{display:block;font-weight:600;font-size:.85rem;color:var(--color-label);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.form-group input[type=text],.form-group input[type=color]{width:100%;padding:10px 12px;border:1px solid var(--border-th);border-radius:6px;font-size:.95rem;color:var(--color-td);background:var(--bg-page);transition:border-color .15s ease}.form-group input[type=text]:focus,.form-group input[type=color]:focus{outline:none;border-color:#4a6cf7;box-shadow:0 0 0 2px #4a6cf726}.form-group input[type=text]:disabled,.form-group input[type=color]:disabled{opacity:.6;cursor:not-allowed}.color-picker-wrapper{display:flex;align-items:center;gap:12px}.color-picker-wrapper input[type=color]{width:60px;height:40px;padding:2px;cursor:pointer}.color-display{flex-shrink:0;width:40px;height:40px;border-radius:6px;border:2px solid var(--border-th);box-shadow:inset 0 1px 3px #0000001a}.color-value{font-family:monospace;font-size:.85rem;color:var(--color-text-hint);font-weight:500}.modal-error{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-color);padding:10px 12px;border-radius:6px;font-size:.85rem;margin-bottom:16px}.modal-actions{display:flex;gap:12px;justify-content:flex-end}.modal-btn{padding:10px 18px;border:none;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .15s ease}.modal-btn:disabled{opacity:.6;cursor:not-allowed}.modal-btn-cancel{background:var(--bg-pill-inactive);color:var(--color-label)}.modal-btn-cancel:hover:not(:disabled){background:#0000001a}.modal-btn-primary{background:#4a6cf7;color:#fff}.modal-btn-primary:hover:not(:disabled){background:#3a5ce7;box-shadow:0 2px 8px #4a6cf74d}.dark .color-picker-wrapper input[type=color]{background:var(--bg-page)}.dark .form-group input[type=text]{color:var(--color-td);border-color:var(--border-th)}.delete-category-btn-action{border-color:var(--border-delete-btn);color:#e53935}.delete-category-btn-action:hover{background:var(--error-bg)!important;border-color:#e53935!important;color:#e53935!important}.export-btn-action{border-color:#2d9c6e;color:#2d9c6e}.export-btn-action:hover:not(:disabled){background:#2d9c6e1a!important;border-color:#2d9c6e!important;color:#2d9c6e!important}.export-btn-action:disabled{opacity:.4;cursor:not-allowed}.modal-body{padding:24px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-page);padding:24px}.login-card{background:var(--bg-card);border-radius:16px;box-shadow:0 8px 32px #0000001f;padding:48px 40px;width:100%;max-width:400px;display:flex;flex-direction:column;align-items:center;gap:12px}.login-logo{margin-bottom:8px}.login-title{font-size:1.75rem;font-weight:700;color:var(--color-page-title);margin:0}.login-subtitle{font-size:.95rem;color:var(--color-subtitle);margin:0 0 8px}.login-error{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-color);border-radius:8px;padding:10px 14px;font-size:.88rem;width:100%;text-align:center}.google-signin-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:12px 20px;background:#fff;color:#3c4043;border:1px solid #dadce0;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:box-shadow .15s ease,background .15s ease;margin-top:8px}.google-signin-btn:hover:not(:disabled){box-shadow:0 2px 8px #00000026;background:#f8f9fa}.google-signin-btn:disabled{opacity:.7;cursor:not-allowed}.login-footer{font-size:.8rem;color:var(--color-subtitle);text-align:center;margin-top:8px}.login-spinner{display:inline-block;width:18px;height:18px;border:2px solid #dadce0;border-top-color:#4f46e5;border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.login-spinner--large{width:40px;height:40px;border-width:3px}.login-input{width:100%;box-sizing:border-box;padding:11px 14px;border:1px solid var(--toggle-border);border-radius:8px;font-size:.95rem;background:var(--bg-page);color:var(--color-label);outline:none;transition:border-color .15s ease,box-shadow .15s ease;margin-bottom:10px;display:block}.login-input:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e526}.email-submit-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:12px 20px;background:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s ease,box-shadow .15s ease;margin-bottom:4px}.email-submit-btn:hover:not(:disabled){background:#4338ca;box-shadow:0 2px 8px #4f46e559}.email-submit-btn:disabled{opacity:.7;cursor:not-allowed}.login-divider{display:flex;align-items:center;gap:10px;width:100%;font-size:.8rem;color:var(--color-subtitle);margin:4px 0}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--toggle-border)}.login-link-btn{background:none;border:none;padding:4px 0;font-size:.85rem;color:#4f46e5;cursor:pointer;text-align:center;width:100%;transition:color .15s ease}.login-link-btn:hover{color:#4338ca;text-decoration:underline}.login-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;border-radius:8px;padding:10px 14px;font-size:.88rem;width:100%;text-align:center}.dark .login-success{background:#052e16;border-color:#166534;color:#86efac}.user-bar{display:flex;align-items:center;gap:10px;position:fixed;top:14px;left:20px;z-index:100}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid var(--toggle-border)}.user-name{font-size:.85rem;font-weight:600;color:var(--color-label);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai-memory-btn{padding:6px 14px;border:1px solid #4a6cf7;border-radius:20px;background:transparent;color:#4a6cf7;font-size:.8rem;font-weight:600;cursor:pointer;transition:background .15s ease,color .15s ease;white-space:nowrap}.ai-memory-btn:hover{background:#4a6cf7;color:#fff}.dark .ai-memory-btn{border-color:#7b9cff;color:#7b9cff}.dark .ai-memory-btn:hover{background:#4a6cf7;color:#fff}.category-cell{display:flex;align-items:center;gap:6px}.rule-indicator{font-size:.65rem;color:#4a6cf7;cursor:default;flex-shrink:0;opacity:.8}.dark .rule-indicator{color:#7b9cff}.rules-modal-content{max-width:580px}.rules-modal-body{padding:20px 24px;max-height:420px;overflow-y:auto}.rules-modal-description{font-size:.88rem;color:var(--color-subtitle);margin:0 0 16px;line-height:1.5}.rules-empty{text-align:center;color:var(--color-text-hint);font-size:.9rem;padding:32px 0}.rules-loading{display:flex;justify-content:center;padding:32px 0}.rules-table{width:100%;border-collapse:collapse;font-size:.88rem}.rules-table th{text-align:left;padding:8px 10px;font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-th);border-bottom:1px solid var(--border-th)}.rules-table td{padding:9px 10px;border-bottom:1px solid var(--border-td);color:var(--color-td);vertical-align:middle}.rules-td-description{word-break:break-word;max-width:260px}.rules-category-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.78rem;font-weight:600;background:var(--bg-pill-inactive);color:var(--pill-inactive-color);white-space:nowrap}.rules-modal-footer{padding:16px 24px;border-top:1px solid var(--border-th)}.signout-btn{padding:5px 12px;background:none;border:1px solid var(--toggle-border);border-radius:20px;color:var(--toggle-color);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s ease}.signout-btn:hover{border-color:#e53e3e;color:#e53e3e}.delete-modal-empty{text-align:center;color:var(--color-text-hint);font-size:.95rem;padding:16px 0}.delete-modal-hint{font-size:.85rem;color:var(--color-subtitle);margin-bottom:16px}.delete-category-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.delete-category-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:8px;background:var(--bg-page);border:1px solid var(--border-th)}.delete-category-info{display:flex;align-items:center;gap:10px;font-weight:600;font-size:.92rem;color:var(--color-card-title)}.delete-category-swatch{width:16px;height:16px;border-radius:4px;flex-shrink:0}.delete-category-btn{background:none;border:1px solid var(--border-delete-btn);color:#e53935;border-radius:6px;padding:5px 14px;cursor:pointer;font-size:.82rem;font-weight:600;transition:all .15s ease}.delete-category-btn:hover:not(:disabled){background:#e53935;color:#fff}.delete-category-btn:disabled{opacity:.5;cursor:not-allowed}.delete-month-btn-action{border-color:#e57c00;color:#e57c00}.delete-month-btn-action:hover:not(:disabled){background:#e57c001a!important;border-color:#e57c00!important;color:#e57c00!important}.delete-month-btn-action:disabled{opacity:.4;cursor:not-allowed}.delete-month-info{display:flex;align-items:center;gap:12px}.delete-month-label{font-weight:600;font-size:.92rem;color:var(--color-card-title)}.delete-month-count{font-size:.8rem;color:var(--color-subtitle);font-weight:400}