:root{--primary: #667EEA;--primary-dark: #5A67D8;--primary-light: #EBF4FF;--danger: #FC5C65;--danger-light: #FFF0F0;--success: #26DE81;--success-light: #F0FFF4;--bg: #F0F2F5;--card: #FFFFFF;--text: #1A1A2E;--text-secondary: #6C757D;--text-light: #ADB5BD;--border: #E9ECEF;--shadow: 0 2px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--radius: 12px;--radius-sm: 8px;--nav-height: 64px}[data-theme=dark]{--primary: #7B8FF0;--primary-dark: #667EEA;--primary-light: #2A2D3E;--danger: #FC5C65;--danger-light: #3A2020;--success: #26DE81;--success-light: #1A3A2A;--bg: #121212;--card: #1E1E2E;--text: #E0E0E0;--text-secondary: #A0A0B0;--text-light: #666680;--border: #2A2A3A;--shadow: 0 2px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.app-layout{min-height:100vh;padding-bottom:var(--nav-height);background-image:url(/SpendTracking/assets/background-BLKeDZRV.webp);background-size:cover;background-position:center;background-attachment:fixed;background-repeat:no-repeat}.main-content,.bottom-nav{position:relative;z-index:1}.main-content{max-width:600px;margin:0 auto;padding:16px}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.1rem;color:var(--text-secondary)}.page{padding-bottom:80px}.page-title{font-size:1.5rem;font-weight:700;margin-bottom:20px;color:var(--text)}.page-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.page-header .page-title{margin-bottom:0}.back-btn{background:none;border:none;cursor:pointer;padding:4px;display:flex;align-items:center}.back-icon{width:24px;height:24px}.action-icon{width:20px;height:20px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background-image:linear-gradient(#00000061,#00000061),url(/SpendTracking/assets/background-BLKeDZRV.webp);background-size:cover;background-position:center;background-attachment:fixed}.auth-card{background:var(--card);border-radius:var(--radius);padding:32px 24px;width:100%;max-width:420px;box-shadow:var(--shadow-lg);position:relative;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-card-header{display:flex;align-items:center;justify-content:center;margin-bottom:20px}.auth-card-back{position:absolute;top:16px;left:16px;background:none;border:none;cursor:pointer;color:#2d6a4f;font-size:1.3rem;display:flex;align-items:center;padding:4px;transition:transform .2s}.auth-card-back:hover{transform:translate(-3px)}.auth-card-icon{width:48px;height:48px;background:#d4edda;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.auth-card h2{text-align:center;margin-bottom:6px;font-size:1.6rem;color:#2d6a4f;font-weight:800}.auth-card .tagline{text-align:center;color:#2d6a4f;margin-bottom:24px;font-size:.85rem;font-style:italic;opacity:.8}.auth-card .subtitle{text-align:center;color:var(--text-secondary);margin-bottom:24px;font-size:.9rem}.auth-card .form-group{margin-bottom:16px}.auth-card label{display:block;margin-bottom:6px;font-weight:500;font-size:.9rem;color:var(--text-secondary)}.auth-card input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s;outline:none;background-color:#f8f9fa}.auth-card input::placeholder{color:silver}.auth-card input:focus{border-color:var(--primary);background-color:#fff}.auth-card input.error{border-color:var(--danger)}.form-group-error{color:var(--danger);font-size:.85rem;margin-top:4px}.auth-card input:focus{border-color:var(--primary)}.auth-card .btn-primary{width:100%;margin-top:12px;background-color:#2d6a4f;border-radius:8px;padding:14px;font-size:.95rem;font-weight:600;transition:all .3s ease}.auth-card .btn-primary:hover{background-color:#1f4d36;transform:translateY(-1px);box-shadow:0 4px 12px #2d6a4f4d}.auth-divider{display:flex;align-items:center;margin:24px 0;gap:12px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.auth-divider-text{color:var(--text-secondary);font-size:.85rem;white-space:nowrap}.btn-google{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px;border:1.5px solid #D0D0D0;border-radius:8px;background:#fff;color:#333;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.95rem}.btn-google:hover{background:#f5f5f5;box-shadow:0 2px 8px #0000001a}.btn-google svg{width:20px;height:20px}.form-group-checkbox{display:flex;align-items:center;gap:8px;margin-bottom:16px}.auth-card input[type=checkbox]{width:auto;height:18px;width:18px;cursor:pointer;accent-color:#2D6A4F;margin:0}.form-group-checkbox label{margin:0;cursor:pointer;font-weight:400;font-size:.9rem}.auth-link{text-align:center;margin-top:16px;font-size:.9rem;color:var(--text-secondary)}.auth-link a{color:#2d6a4f;text-decoration:none;font-weight:600;transition:color .2s}.auth-link a:hover{color:#1f4d36;text-decoration:underline}.forgot-password-link{text-align:right;margin-top:8px;margin-bottom:16px}.forgot-password-link a{color:#2d6a4f;text-decoration:none;font-size:.85rem;font-weight:500;transition:color .2s}.forgot-password-link a:hover{color:#1f4d36;text-decoration:underline}.success-message{background:#d1e7dd;color:#0f5132;padding:12px 14px;border-radius:8px;margin-bottom:16px;font-size:.9rem;text-align:center;border:1px solid #BADBCC}.error-message{background:#f8d7da;color:#842029;padding:12px 14px;border-radius:8px;margin-bottom:16px;font-size:.9rem;text-align:center;border:1px solid #F5C2C7}.landing-page{min-height:100vh;width:100%;background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center;justify-content:center;position:relative}.landing-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000047}.landing-content{position:relative;z-index:1;text-align:center;padding:24px;width:100%;display:flex;flex-direction:column;align-items:center;gap:0}.landing-title{font-size:2.8rem;font-weight:800;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.5);margin-bottom:8px;letter-spacing:-.5px;line-height:1.15}.landing-subtitle{font-size:1rem;color:#ffffffd9;text-shadow:0 1px 6px rgba(0,0,0,.5);margin-bottom:40px;font-style:italic}.landing-actions{display:flex;flex-direction:column;gap:16px;align-items:center;width:100%}.landing-btn-signin{width:100%;max-width:240px;padding:15px 32px;background:#ffffff38;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:none;border-radius:50px;color:#fff;font-size:1.05rem;font-weight:700;cursor:pointer;transition:all .25s ease;letter-spacing:.3px}.landing-btn-signin:hover{background:#ffffff61;transform:translateY(-2px);box-shadow:0 6px 20px #00000040}.landing-btn-signup{background:none;border:none;color:#ffffffe6;font-size:.95rem;font-style:italic;cursor:pointer;text-decoration:none;transition:color .2s;padding:4px 8px;letter-spacing:.2px}.landing-btn-signup:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover,.btn-primary:active{background:var(--primary-dark)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover,.btn-danger:active{background:#e74c3c}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:var(--card);display:flex;align-items:center;justify-content:space-around;box-shadow:0 -2px 12px #00000014;z-index:100;padding-bottom:env(safe-area-inset-bottom,0)}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 12px;text-decoration:none;color:var(--text-light);font-size:.7rem;transition:color .2s;background:none;border:none;cursor:pointer;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--primary)}.nav-icon-svg{width:22px;height:22px}.nav-label{font-weight:500}.nav-logout{color:var(--text-light)}.nav-logout:hover,.nav-logout:active{color:var(--danger)}.chart-range-bar{display:flex;gap:0;margin-bottom:8px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.chart-range-btn{flex:1;padding:8px;border:none;background:none;font-size:.85rem;font-weight:600;cursor:pointer;color:var(--text-secondary);transition:all .2s;font-family:inherit}.chart-range-btn.active{color:var(--primary);background:var(--primary-light)}.chart-container{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:var(--shadow);height:250px}.balance-card{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-radius:var(--radius);margin-bottom:20px}.balance-label{font-weight:600;font-size:1rem}.month-select-bar{display:flex;justify-content:flex-end;margin-bottom:12px}.month-select{background:var(--card);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 12px;font-size:.85rem;font-weight:600;cursor:pointer;outline:none;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.month-select:focus{border-color:var(--primary)}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}.summary-grid-card{background:var(--card);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px}.summary-grid-label{font-size:.78rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}.summary-grid-value{font-size:1.05rem;font-weight:700;color:var(--text)}.summary-grid-value.expense{color:var(--danger)}.summary-grid-value.income{color:#0ca678}.summary-grid-value.invest{color:var(--primary)}.summary-grid-value.positive{color:#0ca678}.summary-grid-value.negative{color:var(--danger)}.summary-grid-card.invest{border-left:3px solid var(--primary)}.summary-grid-card.expense{border-left:3px solid var(--danger)}.summary-grid-card.income{border-left:3px solid #0ca678}.summary-grid-card.balance{border-left:3px solid #888}.summary-grid-card.balance.positive{border-left-color:#0ca678}.summary-grid-card.balance.negative{border-left-color:var(--danger)}.captcha-group{background:var(--bg);border-radius:var(--radius-sm);padding:12px;margin-bottom:4px}.captcha-row{display:flex;align-items:center;gap:8px;margin-top:6px}.captcha-question{background:var(--primary);color:#fff;border-radius:var(--radius-sm);padding:8px 12px;font-weight:700;font-size:1rem;white-space:nowrap;flex-shrink:0}.captcha-input{width:70px!important;flex-shrink:0;text-align:center;font-size:1rem!important;padding:8px!important}.captcha-refresh{background:none;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:7px 10px;cursor:pointer;font-size:1rem;color:var(--text-secondary);transition:all .2s;flex-shrink:0}.captcha-refresh:hover{background:var(--bg)}.captcha-error{display:block;color:var(--danger);font-size:.82rem;margin-top:6px}.captcha-hint{color:var(--text-secondary);font-size:.8rem;margin-top:6px}.balance-amount{font-size:1.3rem;font-weight:700}.balance-amount.positive{color:#0ca678}.balance-amount.negative{color:var(--danger)}.summary-section{margin-bottom:20px}.summary-section h3{font-size:1rem;font-weight:600;margin-bottom:10px;color:var(--text)}.summary-list{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.summary-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);font-size:.95rem}.summary-item:last-child{border-bottom:none}.summary-item.total{font-weight:700;background:var(--bg)}.amount.expense{color:var(--danger);font-weight:600}.amount.income{color:#0ca678;font-weight:600}.filter-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.filter-group{display:flex;flex-direction:column;gap:4px;flex:1 1 calc(50% - 8px);min-width:0}.filter-label{font-size:.8rem;font-weight:600;color:var(--text-secondary)}.filter-select,.filter-input{padding:8px 10px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.85rem;background:var(--card);color:var(--text);outline:none;transition:border-color .2s;width:100%}.filter-select:focus,.filter-input:focus{border-color:var(--primary)}.filter-select{flex:0 0 auto;width:100%}.filter-input{flex:1;min-width:0;width:100%}.transaction-list{display:flex;flex-direction:column;gap:10px}.scroll-sentinel{height:1px}.transaction-card{display:flex;justify-content:space-between;align-items:center;background:var(--card);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s,box-shadow .15s;-webkit-tap-highlight-color:transparent}.transaction-card:active{transform:scale(.98);box-shadow:var(--shadow-lg)}.transaction-info{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}.transaction-title{font-weight:600;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.transaction-category{font-size:.8rem;color:var(--text-secondary);background:var(--bg);padding:2px 8px;border-radius:4px;display:inline-block;width:fit-content}.transaction-right{text-align:right;display:flex;flex-direction:column;gap:4px;flex-shrink:0;margin-left:12px}.transaction-amount{font-weight:700;font-size:1rem}.transaction-amount.expense{color:var(--danger)}.transaction-amount.income{color:#0ca678}.transaction-date{font-size:.8rem;color:var(--text-secondary)}.empty-text{text-align:center;color:var(--text-secondary);padding:32px 16px;font-size:.95rem}.fab{position:fixed;bottom:calc(var(--nav-height) + 16px);right:20px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:1.8rem;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #667eea66;cursor:pointer;transition:transform .2s,box-shadow .2s;z-index:50;-webkit-tap-highlight-color:transparent;line-height:1}.fab:active{transform:scale(.9)}.fab-income{background:#0ca678;box-shadow:0 4px 16px #0ca67866}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center;z-index:200;animation:fadeIn .2s ease}.modal{background:var(--card);border-radius:var(--radius) var(--radius) 0 0;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease;padding-bottom:env(safe-area-inset-bottom,0)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 20px 12px}.modal-header h3{font-size:1.2rem;font-weight:700}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:4px 8px;line-height:1;-webkit-tap-highlight-color:transparent}.modal-form{padding:0 20px calc(var(--nav-height) + 24px)}.modal-form .form-group{margin-bottom:16px}.modal-form label{display:block;margin-bottom:6px;font-weight:500;font-size:.9rem;color:var(--text-secondary)}.modal-form input,.modal-form select{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;outline:none;transition:border-color .2s;background:var(--card);color:var(--text)}.modal-form input:focus,.modal-form select:focus{border-color:var(--primary)}.modal-actions{display:flex;gap:10px;margin-top:20px}.modal-actions .btn{flex:1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.nav-lang{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 12px;background:none;border:none;cursor:pointer;color:var(--text-light);font-size:.7rem;transition:color .2s;-webkit-tap-highlight-color:transparent}.nav-lang:hover,.nav-lang:active{color:var(--primary)}.lang-badge{font-size:1.2rem;line-height:1}@media (min-width: 768px){.main-content{padding:24px}.modal-overlay{align-items:center}.modal{border-radius:var(--radius);max-height:80vh;margin:20px}.chart-container{height:300px}}.nav-icon-img{width:24px;height:24px;opacity:.5;transition:opacity .2s;filter:var(--nav-icon-filter, none)}.nav-item.active .nav-icon-img{opacity:1}[data-theme=dark] .nav-icon-img{filter:invert(1)}.settings-list{display:flex;flex-direction:column;gap:2px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.menu-item{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:none;border:none;border-bottom:1px solid var(--border);cursor:pointer;font-size:1rem;color:var(--text);text-align:left;width:100%;transition:background .15s;font-family:inherit}.menu-item:last-child{border-bottom:none}.menu-item:active{background:var(--bg)}.menu-item-label{font-weight:500}.menu-item-icon{width:22px;height:22px;opacity:.6}[data-theme=dark] .menu-item-icon{filter:invert(1)}.menu-item-lang-badge{font-size:1.3rem}.toggle-switch{width:44px;height:24px;border-radius:12px;background:var(--border);position:relative;transition:background .2s;flex-shrink:0}.toggle-switch.on{background:var(--primary)}.toggle-knob{width:20px;height:20px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;transition:transform .2s;box-shadow:0 1px 3px #0003}.toggle-switch.on .toggle-knob{transform:translate(20px)}.tab-bar{display:flex;gap:0;margin-bottom:16px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.tab-btn{flex:1;padding:12px;border:none;background:none;font-size:.95rem;font-weight:600;cursor:pointer;color:var(--text-secondary);transition:all .2s;font-family:inherit}.tab-btn.active{color:var(--primary);background:var(--primary-light)}.category-add-row{display:flex;gap:8px;margin-bottom:16px}.category-input{flex:1;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;outline:none;background:var(--card);color:var(--text);transition:border-color .2s}.category-input:focus{border-color:var(--primary)}.btn-sm{padding:10px 16px;font-size:.9rem}.category-list{display:flex;flex-direction:column;gap:2px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.category-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.category-item:last-child{border-bottom:none}.category-name{font-size:.95rem;font-weight:500}.category-actions{display:flex;gap:8px}.category-edit-row{display:flex;gap:8px;width:100%;align-items:center}.btn-icon{background:none;border:none;cursor:pointer;font-size:1.1rem;padding:4px;line-height:1}.budget-list{display:flex;flex-direction:column;gap:10px}.budget-card{background:var(--card);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}.budget-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.budget-card-name{font-weight:600;font-size:.95rem}.budget-card-date{font-size:.8rem;color:var(--text-secondary)}.budget-progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:6px}.budget-progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .3s}.budget-progress-fill.warning{background:var(--danger)}.budget-card-footer{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-secondary)}.budget-percent{font-weight:600}.budget-percent.warning{color:var(--danger)}.budget-form-card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.budget-form-card .form-group{margin-bottom:14px}.budget-form-card label{display:block;margin-bottom:6px;font-weight:500;font-size:.9rem;color:var(--text-secondary)}.budget-form-card input,.budget-form-card select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;outline:none;background:var(--card);color:var(--text);transition:border-color .2s}.budget-form-card input:focus,.budget-form-card select:focus{border-color:var(--primary)}.budget-manage-list{display:flex;flex-direction:column;gap:8px}.budget-manage-item{display:flex;justify-content:space-between;align-items:center;background:var(--card);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}.budget-manage-info{display:flex;flex-direction:column;gap:4px}.budget-manage-name{font-weight:600;font-size:.95rem}.budget-manage-detail{font-size:.8rem;color:var(--text-secondary)}.settings-form{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.settings-form .form-group{margin-bottom:16px}.settings-form label{display:block;margin-bottom:6px;font-weight:500;font-size:.9rem;color:var(--text-secondary)}.settings-form input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;outline:none;background:var(--card);color:var(--text);transition:border-color .2s}.settings-form input:focus{border-color:var(--primary)}.success-message{background:var(--success-light);color:var(--success);padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.9rem;text-align:center}