:root{--primary: #6366f1;--primary-light: #818cf8;--primary-dark: #4f46e5;--primary-glow: rgba(99, 102, 241, .3);--success: #10b981;--success-light: #34d399;--danger: #ef4444;--danger-light: #f87171;--warning: #f59e0b;--warning-light: #fbbf24;--info: #06b6d4;--bg: #0a0a1a;--bg-card: #12122a;--bg-elevated: #1a1a3e;--bg-hover: #22224a;--bg-input: #16163a;--border: #2a2a5a;--border-light: #3a3a6a;--text: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--radius: 16px;--radius-sm: 10px;--radius-xs: 6px;--shadow: 0 4px 24px rgba(0,0,0,.4);--shadow-lg: 0 8px 40px rgba(0,0,0,.5);--transition: .2s ease;--nav-height: 72px;--safe-bottom: env(safe-area-inset-bottom, 0px)}[data-theme=light]{--primary: #6366f1;--primary-light: #4f46e5;--primary-dark: #4338ca;--primary-glow: rgba(99, 102, 241, .2);--success: #059669;--success-light: #10b981;--danger: #dc2626;--danger-light: #ef4444;--warning: #d97706;--warning-light: #f59e0b;--info: #0891b2;--bg: #f1f5f9;--bg-card: #ffffff;--bg-elevated: #f8fafc;--bg-hover: #e2e8f0;--bg-input: #f8fafc;--border: #e2e8f0;--border-light: #cbd5e1;--text: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 4px 16px rgba(0,0,0,.1)}[data-theme=light] .balance-card{background:linear-gradient(135deg,#6366f1,#818cf8,#a78bfa);border-color:#6366f133;box-shadow:0 4px 20px #6366f140}[data-theme=light] .card-glass{background:linear-gradient(135deg,#6366f10d,#8b5cf608);border:1px solid rgba(99,102,241,.12)}[data-theme=light] .bottom-nav{background:linear-gradient(to top,#ffffff 80%,transparent);border-top-color:#e2e8f0}[data-theme=light] .card{box-shadow:0 1px 3px #0000000f}[data-theme=light] .expense-item{border-bottom-color:#f1f5f9}[data-theme=light] .modal{background:#fff}[data-theme=light] .modal-overlay{background:#0006}[data-theme=light] .modal-close{background:#f1f5f9;color:#475569}[data-theme=light] .filter-chip{background:#fff;color:#475569;border-color:#e2e8f0}[data-theme=light] .stat-card{background:#fff;border-color:#e2e8f0;box-shadow:0 1px 3px #0000000d}[data-theme=light] .login-page{background:linear-gradient(135deg,#e0e7ff,#f1f5f9)}[data-theme=light] .login-card{box-shadow:0 8px 32px #00000014}[data-theme=light] ::-webkit-scrollbar-thumb{background:#cbd5e1}*{margin:0;padding:0;box-sizing:border-box}html{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text);background:var(--bg)}body{min-height:100dvh;background:var(--bg);overflow-x:hidden}#root{min-height:100dvh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.app-layout{display:flex;flex-direction:column;min-height:100dvh}.page-content{flex:1;padding:16px 16px calc(var(--nav-height) + var(--safe-bottom) + 16px);max-width:600px;margin:0 auto;width:100%}@media (min-width: 768px){.page-content{max-width:720px;padding:24px 24px 40px}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:linear-gradient(to top,var(--bg-card) 80%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;justify-content:space-around;align-items:center;border-top:1px solid var(--border);z-index:1000}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;border:none;background:none;color:var(--text-muted);cursor:pointer;transition:var(--transition);border-radius:var(--radius-sm);-webkit-tap-highlight-color:transparent;min-width:56px}.nav-item.active{color:var(--primary-light)}.nav-item.active .nav-icon{background:var(--primary-glow);border-radius:12px;padding:4px 12px}.nav-label{font-size:.65rem;font-weight:600;letter-spacing:.02em}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--transition)}.card-glass{background:linear-gradient(135deg,#6366f114,#8b5cf60a);border:1px solid rgba(99,102,241,.2);border-radius:var(--radius);padding:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.balance-card{background:linear-gradient(135deg,#1e1b4b,#312e81,#4338ca);border:1px solid rgba(99,102,241,.3);border-radius:20px;padding:24px;position:relative;overflow:hidden;box-shadow:0 8px 32px #6366f133}.balance-card:before{content:"";position:absolute;top:-50%;right:-30%;width:200px;height:200px;background:radial-gradient(circle,rgba(129,140,248,.15),transparent 70%);border-radius:50%}.balance-label{font-size:.85rem;color:#fff9;font-weight:500;margin-bottom:8px;display:flex;align-items:center;gap:8px}.balance-amount{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;color:#fff;transition:var(--transition)}.balance-amount.negative{color:var(--danger-light)}.balance-hidden{font-size:2.2rem;font-weight:800;color:#ffffff4d;letter-spacing:4px}.balance-toggle{background:#ffffff1a;border:none;border-radius:50%;width:44px;height:44px;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;color:#ffffffb3;cursor:pointer;transition:var(--transition);touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;user-select:none;-webkit-user-select:none;position:relative;z-index:10}.balance-toggle:hover{background:#fff3}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent;min-height:48px}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 16px var(--primary-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px var(--primary-glow)}.btn-primary:active{transform:scale(.97)}.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text)}.btn-sm{padding:8px 16px;font-size:.85rem;min-height:36px}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.fab{position:fixed;bottom:calc(var(--nav-height) + var(--safe-bottom) + 16px);right:16px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 24px #6366f166;cursor:pointer;z-index:900;transition:all .2s ease}.fab:hover{transform:scale(1.08)}.fab:active{transform:scale(.95)}.input-group{margin-bottom:16px}.input-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.input{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:1rem;transition:var(--transition);min-height:48px}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.input-amount{font-size:1.5rem;font-weight:700;text-align:center;letter-spacing:.02em}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}textarea.input{min-height:80px;resize:vertical}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s ease}@media (min-width: 640px){.modal-overlay{align-items:center}}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:20px 20px 0 0;width:100%;max-height:90dvh;overflow-y:auto;padding:24px;animation:slideUp .3s 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#ef444426}.modal-tab.active.income-active{background:#10b9811f;color:var(--success-light);box-shadow:0 2px 8px #10b98126}.btn-success{background:linear-gradient(135deg,var(--success),#059669);color:#fff;box-shadow:0 4px 16px #10b9814d}.btn-success:hover{transform:translateY(-1px);box-shadow:0 6px 20px #10b98159}.btn-success:active{transform:scale(.97)}.input-amount-income{color:var(--success-light)!important}.input-amount-income:focus{border-color:var(--success)!important;box-shadow:0 0 0 3px #10b98126!important}.expense-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05);transition:var(--transition)}.expense-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.expense-info{flex:1;min-width:0}.expense-desc{font-weight:600;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.expense-meta{font-size:.8rem;color:var(--text-muted);margin-top:2px}.expense-amount{font-size:1.05rem;font-weight:700;color:var(--danger-light);white-space:nowrap}.expense-amount.income{color:var(--success-light)}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}.category-chip{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg-elevated);cursor:pointer;transition:var(--transition);text-align:center}.category-chip.selected{border-color:var(--primary);background:#6366f11a}.category-chip-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center}.category-chip-name{font-size:.7rem;font-weight:600;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.stat-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;text-align:center}.stat-value{font-size:1.3rem;font-weight:800;margin-bottom:4px}.stat-label{font-size:.75rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.chart-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px}.chart-title{font-size:.95rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}.login-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#0a0a1a,#1e1b4b)}.login-card{width:100%;max-width:400px;background:var(--bg-card);border:1px solid var(--border);border-radius:24px;padding:40px 32px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--primary-light),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-logo p{color:var(--text-muted);font-size:.9rem;margin-top:4px}.login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger-light);padding:12px;border-radius:var(--radius-xs);font-size:.85rem;margin-bottom:16px;text-align:center}.page-header{margin-bottom:20px}.page-title{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}.page-subtitle{color:var(--text-muted);font-size:.85rem;margin-top:4px}.section-title{font-size:.85rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin:24px 0 12px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-state svg{margin-bottom:12px;opacity:.4}.empty-state p{font-size:.9rem}.toggle{position:relative;width:48px;height:28px;background:var(--border);border-radius:14px;cursor:pointer;transition:var(--transition);border:none}.toggle.active{background:var(--primary)}.toggle:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;background:#fff;border-radius:50%;transition:var(--transition)}.toggle.active:after{transform:translate(20px)}.color-grid{display:flex;flex-wrap:wrap;gap:8px}.color-swatch{width:36px;height:36px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:var(--transition)}.color-swatch.selected{border-color:#fff;transform:scale(1.15)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-sm);padding:24px;text-align:center;cursor:pointer;transition:var(--transition);color:var(--text-muted)}.upload-zone:hover{border-color:var(--primary);color:var(--primary-light)}.receipt-preview{width:80px;height:80px;border-radius:var(--radius-xs);object-fit:cover}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.05)}.settings-item-info{flex:1}.settings-item-label{font-weight:600;font-size:.95rem}.settings-item-desc{font-size:.8rem;color:var(--text-muted);margin-top:2px}.currency-picker{display:flex;flex-direction:column;gap:8px}.currency-option{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg-elevated);cursor:pointer;transition:var(--transition);-webkit-tap-highlight-color:transparent}.currency-option:hover{border-color:var(--border-light);background:var(--bg-hover)}.currency-option.active{border-color:var(--primary);background:#6366f114}.currency-flag{font-size:1.6rem;line-height:1}.currency-details{flex:1;display:flex;flex-direction:column;gap:2px}.currency-name{font-weight:600;font-size:.95rem;color:var(--text)}.currency-symbol{font-size:.8rem;color:var(--text-muted);font-weight:500}.currency-check{color:var(--primary-light);font-size:1.2rem;font-weight:700}.filter-bar{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}.filter-chip{flex-shrink:0;padding:8px 16px;border-radius:20px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-secondary);font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .3s ease}.skeleton{background:linear-gradient(90deg,var(--bg-elevated) 25%,var(--bg-hover) 50%,var(--bg-elevated) 75%);background-size:200% 100%;animation:pulse 1.5s ease-in-out 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ease;user-select:none;-webkit-user-select:none}.lightbox-close{position:fixed;top:max(16px,env(safe-area-inset-top,16px));right:16px;width:44px;height:44px;border-radius:50%;background:#ffffff26;border:none;color:#fff;font-size:1.4rem;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:3001;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.lightbox-close:active{background:#ffffff4d}@keyframes lightboxZoomIn{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.receipt-badge{width:32px;height:32px;border-radius:6px;object-fit:cover;border:2px solid var(--border);cursor:pointer;transition:var(--transition);flex-shrink:0}.receipt-badge:hover{border-color:var(--primary);transform:scale(1.1)}.theme-switcher{display:flex;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.theme-option{flex:1;padding:12px 16px;border:none;background:none;color:var(--text-secondary);font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition);-webkit-tap-highlight-color:transparent;touch-action:manipulation}.theme-option.active{background:var(--primary);color:#fff}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes syncSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes syncPulse{0%,to{opacity:1}50%{opacity:.6}}.sync-bar{position:sticky;top:0;z-index:1500;animation:slideDown .3s ease}.sync-bar__content{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;font-size:.78rem;font-weight:600;letter-spacing:.01em}.sync-bar__icon{display:flex;align-items:center;flex-shrink:0}.sync-bar__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sync-bar__retry{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:50%;background:#fff3;color:inherit;cursor:pointer;flex-shrink:0;transition:background .2s ease;-webkit-tap-highlight-color:transparent}.sync-bar__retry:hover{background:#ffffff4d}.sync-bar--offline{background:linear-gradient(135deg,#d97706,#b45309);color:#fef3c7}.sync-bar--syncing{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#dbeafe}.sync-bar--error{background:linear-gradient(135deg,#dc2626,#b91c1c);color:#fee2e2}.sync-bar--synced{background:linear-gradient(135deg,#059669,#047857);color:#d1fae5}.sync-bar--pending{background:linear-gradient(135deg,#d97706,#b45309);color:#fef3c7}.sync-spinner{animation:syncSpin 1s linear infinite}.sync-dot{position:absolute;top:8px;right:12px;width:8px;height:8px;border-radius:50%;z-index:10;transition:background .3s ease}.sync-dot--ok{background:#10b981}.sync-dot--offline{background:#f59e0b;animation:syncPulse 2s ease-in-out infinite}.sync-dot--syncing{background:#3b82f6;animation:syncPulse 1s ease-in-out infinite}.sync-dot--pending{background:#f59e0b}.sync-dot--error{background:#ef4444;animation:syncPulse 1.5s ease-in-out infinite}.pending-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:10px;background:#f59e0b26;color:#f59e0b;font-size:.65rem;font-weight:600;margin-left:8px}