@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap";:root{--primary:#6366f1;--primary-hover:#4f46e5;--secondary:#ec4899;--bg-dark:#0f172a;--bg-card:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#ffffff1a;--glass:#ffffff08;--success:#10b981;--danger:#ef4444;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);background-image:radial-gradient(at 0 0,#6366f126 0,#0000 50%),radial-gradient(at 100% 100%,#ec489926 0,#0000 50%);min-height:100vh;font-family:Inter,sans-serif;overflow-x:hidden}h1,h2,h3{font-family:Outfit,sans-serif}.app-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:24px;padding:2rem;box-shadow:0 8px 32px #0000004d}.btn{cursor:pointer;transition:var(--transition);border:none;border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:Inter,sans-serif;font-weight:600;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 20px #6366f166}.input-group{margin-bottom:1.5rem}.input-group label{color:var(--text-muted);margin-bottom:.5rem;font-size:.875rem;display:block}input,select{background:var(--glass);border:1px solid var(--border);color:#fff;width:100%;transition:var(--transition);border-radius:12px;padding:.75rem 1rem;font-family:Inter,sans-serif}input:focus,select:focus{border-color:var(--primary);background:#ffffff0d;outline:none}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.expense-list{margin-top:2rem}.expense-item{border-bottom:1px solid var(--border);transition:var(--transition);justify-content:space-between;align-items:center;padding:1rem;display:flex}.expense-item:hover{background:var(--glass)}.amount{font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:700}.user-badge{text-transform:uppercase;border-radius:99px;padding:.25rem .75rem;font-size:.75rem;font-weight:600}.settlement-card{background:linear-gradient(135deg, var(--primary), var(--secondary));text-align:center;border-radius:24px;margin-top:2rem;padding:2rem}.settlement-card h2{margin-bottom:.5rem;font-size:2rem}.settlement-card p{opacity:.9}.main-grid{grid-template-columns:1fr 2fr;gap:2rem;display:grid}.header-actions{align-items:center;gap:1rem;display:flex}@media (width<=768px){.main-grid{grid-template-columns:1fr}.app-container{padding:1rem .5rem}.glass-card{border-radius:16px;padding:1.25rem}header{flex-direction:column;gap:1rem;align-items:flex-start!important}.header-actions{flex-wrap:wrap;gap:.5rem;width:100%}.header-actions select{flex:1;min-width:40%}.summary-grid{grid-template-columns:1fr}.expense-item{flex-direction:column;align-items:flex-start;gap:1rem}.expense-item>div:last-child{justify-content:space-between;width:100%}}