*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}@media (width<=768px){html{font-size:14px}}@media (width<=480px){html{font-size:13px}}:root{--bg-primary:#f0f4f8;--bg-secondary:#e8ecf1;--bg-tertiary:#fff;--text-primary:#1a202c;--text-secondary:#4a5568;--accent-primary:#4a90e2;--accent-secondary:#2e5cb8;--accent-light:#a4c7f7;--accent-success:#48bb78;--accent-danger:#f56565;--border-color:#cbd5e0;--shadow:0 2px 8px #0000001a;--shadow-hover:0 4px 12px #4a90e233}body{color:var(--text-primary);background:linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;overflow-x:hidden}.App{width:100%;min-height:100vh}.btn{border:2px solid var(--accent-primary);cursor:pointer;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px;background:0 0;border-radius:8px;justify-content:center;align-items:center;min-height:2.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex;position:relative;overflow:hidden}.btn:before{content:"";background:var(--accent-primary);z-index:-1;width:100%;height:100%;transition:left .5s;position:absolute;top:0;left:-100%}.btn:hover:before{left:0}.btn:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.btn-primary{background:var(--accent-primary);color:#fff;border:none}.btn-primary:hover{background:var(--accent-secondary);box-shadow:0 4px 12px #2e5cb84d}.btn-secondary{border-color:var(--accent-light);color:var(--accent-primary)}.btn-secondary:hover{background:var(--accent-light);color:#fff}.btn.active{background:var(--accent-success);border-color:var(--accent-success);color:#fff}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-primary);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}.form-group input,.form-group select{border:2px solid 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1rem}.home-buttons{flex-direction:column;align-items:stretch}.home-buttons .btn{width:100%;min-width:auto}}@media (width<=480px){.home{justify-content:flex-start;padding:2rem 1rem 1rem}.home h1{margin-bottom:1rem;font-size:clamp(1.5rem,7vw,2.5rem)}.home p{margin-bottom:2rem;font-size:.95rem}.home-buttons{gap:.75rem}}.login{background:linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100vh;padding:1rem;display:flex}.login h2{color:var(--accent-secondary);margin-bottom:2rem;font-size:clamp(1.5rem,5vw,2.5rem);font-weight:700}.login form{background:var(--bg-tertiary);box-shadow:var(--shadow);border:1px solid var(--border-color);border-radius:15px;width:100%;max-width:400px;padding:clamp(1.5rem,5vw,2.5rem)}.login p{text-align:center;color:var(--text-secondary);margin-top:1.25rem;font-size:.95rem}.login a{color:var(--accent-primary);font-weight:600;text-decoration:none;transition:all .3s}.login a:hover{color:var(--accent-secondary)}.transaction-card{background:var(--bg-tertiary);box-shadow:var(--shadow);border:1px solid var(--border-color);word-wrap:break-word;overflow-wrap:break-word;border-radius:15px;width:100%;margin:clamp(.75rem,2vw,.9375rem);padding:clamp(1.25rem,4vw,1.5625rem);transition:all .3s}.transaction-card:hover{box-shadow:var(--shadow-hover);border-color:var(--accent-primary);transform:translateY(-5px)}.transaction-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:.9375rem;display:flex}.transaction-header h3{color:var(--text-primary);word-break:break-word;flex:1;margin:0;font-size:clamp(1rem,3vw,1.2rem)}.amount{white-space:nowrap;font-size:clamp(1.1rem,3vw,1.4rem);font-weight:700}.amount.income{color:var(--accent-success)}.amount.expense{color:var(--accent-danger)}.transaction-details p{color:var(--text-secondary);word-break:break-word;margin:.5rem 0;font-size:.9375rem}@media (width<=480px){.transaction-card{margin:.5rem;padding:1rem}.transaction-header{flex-direction:column}.transaction-header h3{font-size:1rem}}.total-card{background:var(--bg-tertiary);box-shadow:var(--shadow);border:2px solid var(--accent-primary);text-align:center;border-radius:20px;margin:clamp(1.25rem,3vw,1.5625rem);padding:clamp(2rem,5vw,2.5rem);position:relative;overflow:hidden}.total-card:before{content:"";pointer-events:none;background:#4a90e20d;border-radius:50%;width:300px;height:300px;position:absolute;top:-50%;right:-50%}.total-card h2{color:var(--accent-secondary);z-index:1;margin-bottom:1.5625rem;font-size:clamp(1.3rem,5vw,2rem);font-weight:700;position:relative}.total-amount{z-index:1;margin-bottom:2.1875rem;position:relative}.total-amount .amount{font-size:clamp(2rem,8vw,3rem);font-weight:700}.amount.positive{color:var(--accent-success)}.amount.negative{color:var(--accent-danger)}.filter-buttons{z-index:1;flex-wrap:wrap;justify-content:center;gap:.9375rem;display:flex;position:relative}.filter-buttons button{border:2px solid var(--border-color);background:var(--bg-secondary);cursor:pointer;color:var(--text-secondary);white-space:nowrap;border-radius:8px;min-height:2.25rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:600;transition:all .3s}.filter-buttons button:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.filter-buttons button.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff;box-shadow:var(--shadow-hover)}@media (width<=768px){.total-card{margin:.9375rem;padding:1.5625rem}.total-amount .amount{font-size:clamp(1.5rem,6vw,2.2rem)}.filter-buttons{gap:.625rem}.filter-buttons button{padding:.5rem 1rem;font-size:.8125rem}}@media 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var(--border-color);border-radius:15px;margin-bottom:2.1875rem;padding:clamp(1.5rem,4vw,2.1875rem)}.add-transaction h2{color:var(--accent-secondary);margin-bottom:1.5625rem;font-size:clamp(1.3rem,4vw,1.8rem);font-weight:700}.add-transaction form{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5625rem;display:grid}.add-transaction form .form-group{margin-bottom:0}.add-transaction button{grid-column:1/-1;justify-self:start;min-width:150px}.transactions-list{background:var(--bg-tertiary);box-shadow:var(--shadow);border:1px solid var(--border-color);border-radius:15px;padding:clamp(1.5rem,4vw,2.1875rem)}.transactions-list h2{color:var(--accent-secondary);margin-bottom:1.5625rem;font-size:clamp(1.3rem,4vw,1.8rem);font-weight:700}.transactions-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5625rem;width:100%;display:grid}.charts-section{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5625rem;margin-bottom:2.1875rem;display:grid}.chart-card{background:var(--bg-tertiary);box-shadow:var(--shadow);border:1px solid var(--border-color);border-radius:15px;flex-direction:column;min-height:300px;padding:clamp(1.25rem,3vw,1.5625rem);display:flex}.chart-card h3{color:var(--accent-secondary);text-align:center;margin-bottom:1.25rem;font-size:clamp(1.1rem,3vw,1.3rem);font-weight:700}.chart-card>div{flex:1;justify-content:center;align-items:center;min-height:250px;display:flex}@media (width<=1024px){.charts-section{grid-template-columns:1fr}.add-transaction form{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}@media (width<=768px){.dashboard-header{flex-direction:column;align-items:flex-start}.dashboard-content{padding:1rem}.add-transaction{margin-bottom:1.5rem;padding:1.25rem}.add-transaction h2{margin-bottom:1rem;font-size:1.5rem}.add-transaction form{grid-template-columns:1fr;gap:1rem}.transactions-list{padding:1.25rem}.transactions-grid{grid-template-columns:1fr;gap:1rem}.charts-section{gap:1rem;margin-bottom:1.5rem}.chart-card{min-height:350px;padding:1rem}.chart-card>div{min-height:300px}}@media (width<=480px){.dashboard-header{padding:1rem}.dashboard-header h1{min-width:auto;font-size:1.3rem}.dashboard-header button{width:100%;padding:.75rem}.dashboard-content{padding:.75rem}.add-transaction{padding:1rem}.add-transaction h2{font-size:1.25rem}.add-transaction form{gap:.75rem}.transactions-list{padding:1rem}.transactions-list h2{font-size:1.25rem}.transactions-grid{gap:.75rem}.chart-card{min-height:300px}.chart-card>div{min-height:250px}}html{scroll-behavior:smooth}@media (hover:none) and (pointer:coarse){.btn,.filter-buttons button,.transaction-card,a{min-width:2.75rem;min-height:2.75rem;padding:.75rem 1rem}.transaction-card:hover{transform:none}.btn:hover:before{display:none}}@media (width<=640px){body{font-size:.9375rem}h1,h2,h3{overflow-wrap:break-word;word-wrap:break-word}}@media (width<=480px){.form-group input,.form-group select{border-radius:8px;padding:1rem;font-size:1rem}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{font-size:1rem}}img{max-width:100%;height:auto;display:block}@supports (container-type:inline-size){.transaction-card,.total-card,.chart-card{container-type:inline-size}}@media (orientation:landscape) and (height<=600px){.dashboard-content{padding:.75rem}.add-transaction{margin-bottom:1rem;padding:1rem}.chart-card{min-height:250px}.chart-card>div{min-height:200px}}@media (width>=768px) and (width<=1024px){.add-transaction form,.transactions-grid{grid-template-columns:repeat(2,1fr)}.charts-section{grid-template-columns:1fr}}@media (width>=1024px){.dashboard-content{padding:2rem}.add-transaction form{grid-template-columns:repeat(4,1fr)}.transactions-grid{grid-template-columns:repeat(3,1fr)}.charts-section{grid-template-columns:repeat(2,1fr)}}@media (width>=1600px){.dashboard-content{padding:2.5rem}.transactions-grid{grid-template-columns:repeat(4,1fr)}}