:root{--bg-color:#0f172a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--glass-bg:#1e293bb3;--glass-border:#ffffff1a;--primary:#3b82f6;--primary-hover:#2563eb;--success:#10b981;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(circle at 15%,#3b82f626,#0000 25%),radial-gradient(circle at 85% 30%,#10b9811a,#0000 25%);min-height:100vh;overflow-x:hidden}#app{width:100vw;height:100vh;display:flex}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px}.view{opacity:0;width:100%;height:100%;transition:opacity .4s;display:none}.view.active{opacity:1;display:flex}#auth-view{justify-content:center;align-items:center}.auth-container{width:100%;max-width:400px;padding:2.5rem;box-shadow:0 25px 50px -12px #00000080}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2rem;font-weight:700}.auth-header p{color:var(--text-secondary);margin-top:.25rem;font-size:.9rem}.auth-tabs{border-bottom:1px solid var(--glass-border);margin-bottom:1.5rem;display:flex}.tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;flex:1;padding:.75rem;font-weight:500;transition:all .3s}.tab.active{color:var(--text-primary);border-bottom:2px solid var(--primary)}.input-group{margin-bottom:1.25rem}.input-group label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.85rem;display:block}.input-group input,.input-group select{border:1px solid var(--glass-border);width:100%;color:var(--text-primary);background:#0f172a99;border-radius:8px;padding:.75rem 1rem;font-size:.95rem;transition:border-color .3s}.input-group input:focus,.input-group select:focus{border-color:var(--primary);outline:none}.btn{cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;transition:all .3s}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn.full-width{width:100%}.btn.text-only{color:var(--text-secondary);background:0 0;padding:.5rem}.btn.text-only:hover{color:var(--text-primary)}.error-msg{color:var(--danger);text-align:center;min-height:1.2rem;margin-top:1rem;font-size:.85rem}#dashboard-view{flex-direction:row}.sidebar{flex-direction:column;width:250px;margin:1rem;padding:1.5rem;display:flex}.sidebar .logo h2{background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:2rem;font-size:1.5rem}.sidebar nav{flex-direction:column;flex:1;gap:.5rem;display:flex}.nav-item{color:var(--text-secondary);border-radius:8px;padding:.75rem 1rem;font-weight:500;text-decoration:none;transition:all .2s}.nav-item:hover,.nav-item.active{color:var(--text-primary);background:#ffffff0d}.user-profile{border-top:1px solid var(--glass-border);justify-content:space-between;align-items:center;margin-top:auto;padding-top:1rem;display:flex}.main-content{flex-direction:column;flex:1;gap:2rem;padding:2rem 2rem 2rem 0;display:flex;overflow-y:auto}.topbar{justify-content:space-between;align-items:center;display:flex}.summary-cards{grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}.card{padding:1.5rem}.card h3{color:var(--text-secondary);margin-bottom:.5rem;font-size:.9rem;font-weight:500}.card h2{font-size:2rem;font-weight:700}.income-card h2{color:var(--success)}.expense-card h2{color:var(--danger)}.recent-transactions{flex-direction:column;flex:1;padding:1.5rem;display:flex}.section-header{margin-bottom:1rem}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid #ffffff0d;padding:1rem}th{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:500}td{font-size:.95rem}tr:hover td{background:#ffffff05}.type-income{color:var(--success);font-weight:500}.type-expense{color:var(--danger);font-weight:500}.delete-btn{color:var(--danger);cursor:pointer;opacity:.6;background:0 0;border:none;transition:opacity .2s}.delete-btn:hover{opacity:1}.modal{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#00000080;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.modal.active{display:flex}.modal-content{width:100%;max-width:400px;padding:2rem;animation:.3s modalIn;position:relative}.modal-content h2{margin-bottom:1.5rem}.close-modal{cursor:pointer;color:var(--text-secondary);font-size:1.5rem;position:absolute;top:1.5rem;right:1.5rem}.close-modal:hover{color:var(--text-primary)}@keyframes modalIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}