@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-primary:#f0f2f5;--bg-secondary:#fff;--bg-card:#ffffffd9;--bg-glass:#fff9;--bg-input:#f8f9fb;--text-primary:#1a1d23;--text-secondary:#6b7280;--text-muted:#9ca3af;--border:#00000014;--border-focus:#6366f1;--accent:#6366f1;--accent-light:#818cf8;--accent-bg:#6366f114;--success:#22c55e;--success-bg:#22c55e1a;--danger:#ef4444;--danger-bg:#ef44441a;--warning:#f59e0b;--warning-bg:#f59e0b1a;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001a;--shadow-xl:0 20px 60px #0000001f;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--gradient-1:linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);--gradient-2:linear-gradient(135deg, #22c55e 0%, #16a34a 100%);--gradient-3:linear-gradient(135deg, #ef4444 0%, #dc2626 100%);--nav-width:260px;--deposit-color:#22c55e;--withdraw-color:#ef4444}[data-theme=dark]{--bg-primary:#0f1117;--bg-secondary:#1a1d27;--bg-card:#1a1d27e6;--bg-glass:#1a1d27b3;--bg-input:#242836;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#ffffff14;--shadow-sm:0 1px 3px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 30px #0006;--shadow-xl:0 20px 60px #00000080}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;transition:background .3s,color .3s}#root{min-height:100vh;display:flex}.app-layout{width:100%;min-height:100vh;display:flex}.main-content{margin-left:var(--nav-width);max-width:calc(100% - var(--nav-width));flex:1;padding:32px;animation:.3s fadeIn}.sidebar{width:var(--nav-width);background:var(--bg-secondary);border-right:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:24px 20px;display:flex}.sidebar-logo .logo-icon{background:var(--gradient-1);border-radius:var(--radius-md);color:#fff;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex;box-shadow:0 4px 12px #6366f14d}.sidebar-logo h1{background:var(--gradient-1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.2rem;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:12px;display:flex}.nav-link{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{background:var(--accent-bg);color:var(--accent);transform:translate(4px)}.nav-link.active{background:var(--accent-bg);color:var(--accent);font-weight:600}.nav-link .nav-icon{text-align:center;width:24px;font-size:1.2rem}.sidebar-footer{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding:16px;display:flex}.sidebar-user{border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:10px;padding:8px;font-size:.85rem;display:flex}.sidebar-user .user-avatar{background:var(--gradient-1);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.8rem;font-weight:600;display:flex}.sidebar-user .user-email{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:24px;transition:all .3s}.card:hover{box-shadow:var(--shadow-md)}.card-glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px 24px;transition:all .3s;position:relative;overflow:hidden}.stat-card:before{content:"";height:3px;position:absolute;top:0;left:0;right:0}.stat-card.balance:before{background:var(--gradient-1)}.stat-card.income:before{background:var(--gradient-2)}.stat-card.expense:before{background:var(--gradient-3)}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.stat-card .stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:.8rem;font-weight:500}.stat-card .stat-value{font-size:1.8rem;font-weight:700}.stat-card.balance .stat-value{color:var(--accent)}.stat-card.income .stat-value{color:var(--success)}.stat-card.expense .stat-value{color:var(--danger)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;display:grid}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:.85rem;font-weight:600;display:block}.form-input,.form-select,.form-textarea{background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);outline:none;padding:10px 14px;font-family:inherit;font-size:.9rem;transition:all .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.form-textarea{resize:vertical;min-height:80px}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-family:inherit;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:var(--gradient-1);color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f166}.btn-success{background:var(--gradient-2);color:#fff;box-shadow:0 4px 12px #22c55e4d}.btn-success:hover{transform:translateY(-1px);box-shadow:0 6px 20px #22c55e66}.btn-danger{background:var(--gradient-3);color:#fff;box-shadow:0 4px 12px #ef44444d}.btn-danger:hover{transform:translateY(-1px);box-shadow:0 6px 20px #ef444466}.btn-ghost{color:var(--text-secondary);border:1.5px solid var(--border);background:0 0}.btn-ghost:hover{background:var(--accent-bg);color:var(--accent);border-color:var(--accent)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-icon{width:36px;height:36px;padding:8px}.toggle-group{background:var(--bg-input);border-radius:var(--radius-sm);border:1px solid var(--border);display:inline-flex;overflow:hidden}.toggle-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;padding:8px 20px;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .2s}.toggle-btn.active{background:var(--accent);color:#fff}.toggle-btn.deposit.active{background:var(--success)}.toggle-btn.withdraw.active{background:var(--danger)}.table-container{border-radius:var(--radius-md);border:1px solid var(--border);overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;background:var(--bg-input);border-bottom:1px solid var(--border);padding:12px 16px;font-size:.8rem;font-weight:600}td{border-bottom:1px solid var(--border);vertical-align:middle;padding:12px 16px;font-size:.9rem}tr:hover{background:var(--accent-bg)}tr:last-child td{border-bottom:none}.amount-deposit{color:var(--success);font-weight:600}.amount-withdraw{color:var(--danger);font-weight:600}.tag{background:var(--accent-bg);color:var(--accent);border-radius:20px;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.tag .tag-dot{border-radius:50%;width:6px;height:6px}.frequency-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:4px;padding:3px 8px;font-size:.7rem;font-weight:700;display:inline-flex}.frequency-badge.weekly{color:#2563eb;background:#dbeafe}.frequency-badge.monthly{color:#db2777;background:#fce7f3}.frequency-badge.yearly{color:#16a34a;background:#dcfce7}[data-theme=dark] .frequency-badge.weekly{background:#2563eb33}[data-theme=dark] .frequency-badge.monthly{background:#db277733}[data-theme=dark] .frequency-badge.yearly{background:#16a34a33}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border-radius:var(--radius-xl);width:90%;max-width:520px;box-shadow:var(--shadow-xl);max-height:90vh;padding:32px;animation:.3s slideUp;overflow-y:auto}.modal h2{margin-bottom:20px;font-size:1.3rem}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.month-picker{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);align-items:center;gap:12px;padding:8px 16px;display:flex}.month-picker button{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.1rem;transition:all .2s;display:flex}.month-picker button:hover{background:var(--accent-bg);color:var(--accent)}.month-picker .month-label{text-align:center;min-width:140px;font-size:.95rem;font-weight:600}.theme-toggle{background:var(--bg-input);border:1px solid var(--border);cursor:pointer;color:var(--text-secondary);border-radius:20px;align-items:center;gap:6px;padding:6px 14px;font-size:1rem;transition:all .2s;display:flex}.theme-toggle:hover{border-color:var(--accent)}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.page-header h2{font-size:1.6rem;font-weight:700}.page-header-actions{align-items:center;gap:12px;display:flex}.login-page{background:linear-gradient(135deg,#0f0c29 0%,#302b63 50%,#24243e 100%);justify-content:center;align-items:center;width:100%;min-height:100vh;padding:20px;display:flex}.login-card{-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border-radius:var(--radius-xl);background:#ffffff0d;border:1px solid #ffffff1a;width:100%;max-width:420px;padding:40px;box-shadow:0 30px 60px #0000004d}.login-card h1{text-align:center;color:#fff;margin-bottom:8px;font-size:1.8rem}.login-card p{text-align:center;color:#fff9;margin-bottom:32px;font-size:.9rem}.login-card .form-label{color:#ffffffb3}.login-card .form-input{color:#fff;background:#ffffff14;border-color:#ffffff26}.login-card .form-input:focus{border-color:var(--accent-light);box-shadow:0 0 0 3px #818cf833}.login-card .form-input::placeholder{color:#ffffff4d}.login-card .btn-primary{width:100%;margin-top:8px;padding:12px;font-size:1rem}.login-switch{text-align:center;color:#ffffff80;margin-top:20px;font-size:.85rem}.login-switch button{color:var(--accent-light);cursor:pointer;background:0 0;border:none;font-family:inherit;font-weight:600}.login-error{color:#fca5a5;border-radius:var(--radius-sm);background:#ef444426;border:1px solid #ef444433;margin-bottom:16px;padding:10px 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var(--border);z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);justify-content:space-around;padding:8px 0;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-nav .nav-link{text-align:center;flex-direction:column;gap:2px;padding:8px;font-size:.7rem;transform:none}.mobile-nav .nav-link:hover{transform:none}.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.page-header{flex-direction:column;align-items:flex-start}}@media (width>=769px){.mobile-nav{display:none}}.tag-selector{position:relative}.tag-selector-dropdown{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);z-index:50;max-height:200px;margin-top:4px;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.tag-option{cursor:pointer;text-align:left;width:100%;color:var(--text-primary);background:0 0;border:none;align-items:center;gap:8px;padding:8px 12px;font-family:inherit;transition:background .15s;display:flex}.tag-option:hover{background:var(--accent-bg)}.tag-option .tag-color{border-radius:50%;flex-shrink:0;width:12px;height:12px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.chart-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.chart-container h3{color:var(--text-secondary);margin-bottom:16px;font-size:1rem;font-weight:600}.charts-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=900px){.charts-grid{grid-template-columns:1fr}}.file-upload{position:relative}.file-upload input[type=file]{display:none}