.login-container{display:flex;align-items:center;justify-content:center;min-height:95vh;width:100%;background:linear-gradient(135deg,#e0e7ff,#ddd6f3);padding:2rem}.login-card{display:flex;width:100%;max-width:1800px;height:auto;min-height:650px;background:#fff;border-radius:30px;overflow:hidden;box-shadow:0 20px 60px #00000026}.login-left{flex:1;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;padding:0;position:relative;overflow:hidden}.login-left:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:pulse 15s ease-in-out infinite}.login-image{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}.login-right{flex:1;display:flex;align-items:center;justify-content:center;background-color:#fff;padding:3rem 2rem}.login-form-wrapper{width:100%;max-width:500px;padding:2rem 1.5rem}.login-header{text-align:center;margin-bottom:2.5rem}.login-title{font-size:2.25rem;font-weight:700;color:#1a202c;margin-bottom:.75rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{font-size:1rem;color:#718096;line-height:1.5}.login-form{display:flex;flex-direction:column;gap:1.75rem}.login-button{padding:1.125rem;font-size:1.05rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;margin-top:.5rem;font-family:inherit;box-shadow:0 4px 15px #667eea33}.login-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea59}.login-button:active{transform:translateY(0)}.login-footer{text-align:center;margin-top:2rem;padding-top:2rem;border-top:1px solid #e2e8f0}.login-footer p{font-size:.95rem;color:#718096}.login-footer a{color:#667eea;text-decoration:none;font-weight:600;transition:color .3s ease}.login-footer a:hover{color:#764ba2;text-decoration:underline}@media(max-width:1024px){.login-card{max-width:95%;min-height:600px}.login-title{font-size:2rem}}@media(max-width:968px){.login-container{padding:1rem}.login-card{flex-direction:column;max-width:600px;min-height:auto;border-radius:25px}.login-left{min-height:350px;height:350px}.login-image{object-fit:cover}.login-right{padding:2rem 1.5rem}.login-form-wrapper{padding:1.5rem 1rem}.login-title{font-size:1.85rem}}@media(max-width:480px){.login-container{padding:.5rem}.login-card{border-radius:20px}.login-left{min-height:280px;height:280px}.login-right{padding:1.5rem 1rem}.login-form-wrapper{padding:1rem .5rem}.login-title{font-size:1.65rem}.login-subtitle{font-size:.9rem}.form-group input{padding:.875rem 1rem}.login-button{padding:1rem}}*{margin:0;padding:0;box-sizing:border-box}body,html{margin:0;padding:0;width:100%;height:100%;overflow-x:hidden}.register-container{display:flex;align-items:center;justify-content:center;min-height:95vh;width:100%;background:linear-gradient(135deg,#e0e7ff,#ddd6f3);padding:2rem}.register-card{display:flex;width:100%;max-width:1800px;height:auto;min-height:650px;background:#fff;border-radius:30px;overflow:hidden;box-shadow:0 20px 60px #00000026}.register-left{flex:1;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;padding:0;position:relative;overflow:hidden}.register-left:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:pulse 15s ease-in-out infinite}.register-image{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}.register-right{flex:1;display:flex;align-items:center;justify-content:center;background-color:#fff;padding:3rem 2rem}.register-form-wrapper{width:100%;max-width:500px;padding:2rem 1.5rem}.register-header{text-align:center;margin-bottom:2.5rem}.register-title{font-size:2.25rem;font-weight:700;color:#1a202c;margin-bottom:.75rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.register-subtitle{font-size:1rem;color:#718096;line-height:1.5}.register-form{display:flex;flex-direction:column;gap:1.75rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.95rem;font-weight:600;color:#2d3748;margin-bottom:.25rem}.form-group input{padding:1rem 1.25rem;font-size:1rem;border:2px solid #e2e8f0;border-radius:10px;outline:none;transition:all .3s 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a:hover{color:#764ba2;text-decoration:underline}@media(max-width:1024px){.register-card{max-width:95%;min-height:600px}.register-title{font-size:2rem}}@media(max-width:968px){.register-container{padding:1rem}.register-card{flex-direction:column;max-width:600px;min-height:auto;border-radius:25px}.register-left{min-height:350px;height:350px}.register-image{object-fit:cover}.register-right{padding:2rem 1.5rem}.register-form-wrapper{padding:1.5rem 1rem}.register-title{font-size:1.85rem}}@media(max-width:480px){.register-container{padding:.5rem}.register-card{border-radius:20px}.register-left{min-height:280px;height:280px}.register-right{padding:1.5rem 1rem}.register-form-wrapper{padding:1rem .5rem}.register-title{font-size:1.65rem}.register-subtitle{font-size:.9rem}.form-group input{padding:.875rem 1rem}.register-button{padding:1rem}}.balance-summary-container{max-width:1800px;margin:0 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small{font-size:.95rem;color:#718096}.balance-list{display:flex;flex-direction:column;gap:1rem}.balance-item{display:flex;align-items:center;justify-content:space-between;padding:1.25rem;border-radius:12px;transition:all .3s ease}.owe-item{background:linear-gradient(135deg,#fef2f2,#fee2e2);border-left:4px solid #ef4444}.owe-item:hover{background:linear-gradient(135deg,#fee2e2,#fecaca);transform:translate(5px)}.owed-item{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border-left:4px solid #10b981}.owed-item:hover{background:linear-gradient(135deg,#dcfce7,#bbf7d0)}.balance-info{display:flex;align-items:center;gap:1rem}.person-avatar{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;flex-shrink:0}.balance-details{display:flex;flex-direction:column;gap:.25rem}.person-name{font-size:1.1rem;font-weight:600;color:#2d3748;margin:0}.balance-amount{font-size:1.25rem;font-weight:700;margin:0}.owe-amount{color:#dc2626}.owed-amount{color:#059669}@media(max-width:968px){.balance-cards{grid-template-columns:1fr}.balance-title{font-size:2rem}.balance-card{padding:1.5rem}.card-header{margin-bottom:1.25rem}}@media(max-width:480px){.balance-summary-container{padding:1rem}.balance-header{margin-bottom:2rem}.balance-title{font-size:1.75rem}.balance-subtitle{font-size:1rem}.balance-cards{gap:1.5rem}.balance-card{padding:1.25rem}.card-icon{font-size:2rem;width:50px;height:50px}.card-title{font-size:1.25rem}.balance-item{padding:1rem;flex-direction:column;align-items:flex-start;gap:1rem}.person-avatar{width:40px;height:40px;font-size:1rem}.person-name{font-size:1rem}.balance-amount{font-size:1.1rem}.empty-state{padding:2rem 1rem}.empty-icon{font-size:3rem}.empty-state p{font-size:1.1rem}}.dashboard-container{min-height:100vh;width:100%;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem;position:relative;overflow-x:hidden;box-sizing:border-box}.dashboard-container:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(120,119,198,.3) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(138,43,226,.3) 0%,transparent 50%);pointer-events:none}.dashboard-header{margin-bottom:2.5rem;animation:fadeInDown .6s ease-out;width:100%}.header-content{width:100%;max-width:100%}.dashboard-title{font-size:3rem;font-weight:800;color:#fff;margin:0;text-shadow:2px 4px 12px rgba(0,0,0,.2);letter-spacing:-.5px}.dashboard-subtitle{font-size:1.125rem;color:#ffffffe6;margin:.5rem 0 0;font-weight:400}.balance-section{width:100%;max-width:100%;margin:0 0 3rem;animation:fadeInUp .6s ease-out .1s backwards}.groups-section{width:100%;max-width:100%;margin:0;animation:fadeInUp .6s ease-out .2s backwards}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem;width:100%}.section-title{font-size:2rem;font-weight:700;color:#fff;margin:0;text-shadow:1px 2px 8px rgba(0,0,0,.15)}.section-subtitle{font-size:.95rem;color:#ffffffd9;margin:.25rem 0 0}.create-group-btn{display:flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;background:linear-gradient(135deg,#fff,#f8f9fa);color:#667eea;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #0003;position:relative;overflow:hidden}.create-group-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}.create-group-btn:hover:before{left:100%}.create-group-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.create-group-btn:active{transform:translateY(0)}.btn-icon{font-size:1.5rem;line-height:1;font-weight:300}.btn-text{line-height:1}.create-form-wrapper{margin-bottom:2rem;animation:slideDown .3s ease-out;width:100%}.form-card{background:#fffffffa;border-radius:16px;padding:2rem;box-shadow:0 8px 32px #00000026;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.5);width:100%;box-sizing:border-box}.form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid #f0f0f0}.form-header h3{margin:0;font-size:1.5rem;font-weight:700;color:#2d3748}.close-btn{background:none;border:none;font-size:2rem;color:#a0aec0;cursor:pointer;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .2s;line-height:1}.close-btn:hover{background:#f7fafc;color:#667eea;transform:rotate(90deg)}.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;animation:fadeIn .4s ease-out;width:100%}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;color:#fff;width:100%}.loader{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.loading-container p{font-size:1.125rem;margin:0;opacity:.9}.empty-state{text-align:center;padding:4rem 2rem;background:#fffffff2;border-radius:20px;box-shadow:0 8px 32px #0000001f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.5);width:100%;box-sizing:border-box}.empty-icon{font-size:5rem;margin-bottom:1.5rem;opacity:.6;animation:float 3s ease-in-out infinite}.empty-state h3{font-size:1.75rem;font-weight:700;color:#2d3748;margin:0 0 .75rem}.empty-state p{font-size:1.125rem;color:#718096;margin:0 0 2rem}.empty-cta-btn{padding:1rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-size:1.0625rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #667eea66}.empty-cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea80}.empty-cta-btn:active{transform:translateY(0)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-20px)}to{opacity:1;max-height:1000px;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media(max-width:768px){.dashboard-container{padding:1.5rem 1rem}.dashboard-title{font-size:2rem}.dashboard-subtitle{font-size:1rem}.section-title{font-size:1.5rem}.section-header{flex-direction:column;align-items:flex-start}.create-group-btn{width:100%;justify-content:center}.groups-grid{grid-template-columns:1fr}.form-card{padding:1.5rem}.empty-state{padding:3rem 1.5rem}.empty-icon{font-size:4rem}}@media(max-width:480px){.dashboard-title{font-size:1.75rem}.btn-icon{font-size:1.25rem}.btn-text{font-size:.9375rem}}.navbar{background:linear-gradient(135deg,#1e88e5,#1565c0);box-shadow:0 4px 20px #1e88e54d;position:sticky;top:0;z-index:1000;width:100%;border-bottom:3px solid #1565c0}.navbar-container{max-width:100%;margin:0 auto;padding:.75rem 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ease}.nav-link:hover:before{transform:translate(0)}.nav-link:hover{background:#ffffff26;transform:translateY(-2px)}.nav-icon{font-size:1.25rem}.navbar-user{display:flex;align-items:center;gap:1rem;flex-shrink:0}.user-info{display:flex;align-items:center;gap:.75rem;padding:.5rem 1rem;background:#ffffff26;border-radius:50px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);transition:all .3s ease}.user-info:hover{background:#fff3;transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#fff,#f0f4f8);color:#1e88e5;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.125rem;box-shadow:0 2px 8px #00000026}.user-name{color:#fff;font-weight:600;font-size:.9375rem;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{display:flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:8px;font-size:.9375rem;font-weight:600;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.logout-btn:hover{background:#fff;color:#1e88e5;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.logout-btn:active{transform:translateY(0)}.logout-icon{font-size:1.125rem}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media(max-width:1024px){.navbar-container{padding-left:2rem;padding-right:2rem}}@media(max-width:768px){.navbar-container{padding:.75rem 1.5rem;gap:1rem}.brand-name{font-size:1.25rem}.brand-icon{font-size:1.75rem}.navbar-menu{gap:1rem}.nav-link{padding:.5rem 1rem;font-size:.9375rem}.user-name{display:none}.user-info{padding:.5rem}.logout-btn{padding:.5rem 1rem;font-size:.875rem}.logout-btn span:last-child{display:none}}@media(max-width:480px){.navbar-container{padding:.625rem 1rem;gap:.75rem}.brand-name{display:none}.nav-link span:last-child{display:none}.nav-link{padding:.5rem}.user-avatar{width:32px;height:32px;font-size:1rem}.logout-icon{font-size:1.25rem}}*{margin:0;padding:0}