@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";.sidebar{width:260px;height:100vh;position:fixed;left:0;top:0;background:var(--sidebar-bg);display:flex;flex-direction:column;z-index:100;border-right:1px solid var(--sidebar-border);animation:fadeIn .4s ease;transition:background .3s ease,border-color .3s ease}.sidebar-logo{display:flex;align-items:center;gap:12px;padding:24px 22px;border-bottom:1px solid var(--sidebar-border)}.logo-icon{width:38px;height:38px;display:flex;align-items:center;justify-content:center}.logo-text{font-size:22px;font-weight:800;color:var(--text-primary);letter-spacing:-.3px}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:14px;transition:var(--transition);position:relative;overflow:hidden}.nav-item:hover{color:var(--text-primary);background:var(--sidebar-hover)}.nav-item.active{color:var(--accent);background:var(--accent-subtle);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--accent);border-radius:0 3px 3px 0;animation:scaleIn .3s ease}.nav-icon{display:flex;align-items:center;justify-content:center;width:22px}.nav-icon svg{width:20px;height:20px}.sidebar-footer{padding:18px 22px;border-top:1px solid var(--sidebar-border);display:flex;justify-content:space-between;align-items:center}.sidebar-footer-text{font-size:12px;color:var(--text-muted)}.theme-toggle-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:6px;border-radius:var(--radius-xs);transition:var(--transition)}.theme-toggle-btn:hover{color:var(--text-primary);background:var(--sidebar-hover)}@media(max-width:900px){.sidebar{width:72px}.logo-text,.nav-label,.sidebar-footer-text{display:none}.sidebar-logo{justify-content:center;padding:20px 12px}.nav-item{justify-content:center;padding:12px}.nav-icon svg{width:22px;height:22px}.sidebar-footer{justify-content:center;padding:16px 8px}}@media(max-width:600px){.sidebar{width:100%;height:60px;bottom:0;top:auto;flex-direction:row;border-right:none;border-top:1px solid var(--sidebar-border)}.sidebar-logo{display:none}.sidebar-footer{padding:0 16px;border-top:none;border-left:1px solid var(--sidebar-border)}.sidebar-footer-text{display:none}.sidebar-nav{flex-direction:row;padding:0 8px;align-items:center;justify-content:space-around;width:100%}.nav-label{display:none}.nav-item{padding:10px 14px}.nav-item.active:before{inset:0 20% auto;width:60%;height:3px;border-radius:0 0 3px 3px}}:root{--bg-primary: #f8fafc;--bg-secondary: #f1f5f9;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--bg-input: #f1f5f9;--border: #e2e8f0;--border-focus: #6366f1;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent: #6366f1;--accent-light: #818cf8;--accent-subtle: rgba(99, 102, 241, .08);--success: #10b981;--success-bg: rgba(16, 185, 129, .08);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .08);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .08);--cyan: #06b6d4;--purple: #7c3aed;--pink: #ec4899;--sidebar-bg: #ffffff;--sidebar-border: #e2e8f0;--sidebar-hover: var(--bg-input);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .03), 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 12px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .08);--radius: 12px;--radius-sm: 8px;--radius-xs: 6px;--transition: all .3s ease}.dark-theme{--bg-primary: #0f111a;--bg-secondary: #161925;--bg-card: #161925;--bg-card-hover: #1c202f;--bg-input: #1a1d2bd0;--border: #262a3f;--border-focus: #6366f1;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-subtle: rgba(99, 102, 241, .15);--success-bg: rgba(16, 185, 129, .15);--danger-bg: rgba(239, 68, 68, .15);--warning-bg: rgba(245, 158, 11, .15);--sidebar-bg: #0f111a;--sidebar-border: #262a3f;--sidebar-hover: rgba(255, 255, 255, .04);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .2), 0 1px 2px rgba(0, 0, 0, .3);--shadow: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;transition:background .3s ease,color .3s ease}#root{position:relative;z-index:1}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:260px;padding:32px 40px;animation:fadeIn .4s ease}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:var(--transition)}.card:hover{box-shadow:var(--shadow);border-color:var(--border-focus)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);animation:slideUp .5s ease both;transition:var(--transition)}.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--accent)}.stat-card:nth-child(1){animation-delay:.05s}.stat-card:nth-child(2){animation-delay:.1s}.stat-card:nth-child(3){animation-delay:.15s}.stat-card:nth-child(4){animation-delay:.2s}.stat-card .stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.stat-card .stat-icon svg{width:22px;height:22px}.stat-card .stat-icon.purple{background:#7c3aed1a;color:#7c3aed}.stat-card .stat-icon.cyan{background:#06b6d41a;color:#06b6d4}.stat-card .stat-icon.pink{background:#ec48991a;color:#ec4899}.stat-card .stat-icon.green{background:#10b9811a;color:#10b981}.stat-card .stat-icon.indigo{background:#6366f11a;color:#6366f1}.stat-card .stat-value{font-size:30px;font-weight:800;color:var(--text-primary);line-height:1.1}.stat-card .stat-label{font-size:13px;color:var(--text-secondary);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.btn{padding:10px 20px;border-radius:var(--radius-sm);border:none;font-family:Inter,sans-serif;font-weight:600;font-size:14px;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px #6366f140}.btn-primary:hover{background:#5558e6;transform:translateY(-1px);box-shadow:0 4px 14px #6366f159}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-subtle)}.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(239,68,68,.15)}.btn-danger:hover{background:#ef444426;border-color:#ef44444d;transform:translateY(-1px)}.btn-sm{padding:6px 10px;font-size:13px;border-radius:var(--radius-xs)}.btn svg{width:16px;height:16px}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:Inter,sans-serif;font-size:14px;transition:var(--transition);outline:none}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #6366f114;background:var(--bg-card)}.form-group input::placeholder{color:var(--text-muted)}.form-group select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.form-group select option{background:var(--bg-card);color:var(--text-primary)}.form-card{max-width:500px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.multi-select{max-height:180px;overflow-y:auto;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px}.multi-select label{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-xs);cursor:pointer;transition:var(--transition);text-transform:none;font-size:14px;color:var(--text-primary)}.multi-select label:hover{background:var(--accent-subtle)}.multi-select input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}.page-header{margin-bottom:32px;animation:fadeIn .4s ease}.page-header h1{font-size:26px;font-weight:800;color:var(--text-primary);letter-spacing:-.3px}.page-header p{color:var(--text-secondary);margin-top:4px;font-size:15px}.section-title{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--text-primary);display:flex;align-items:center;gap:8px}.content-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:28px;align-items:start}.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.item-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;animation:slideUp .4s ease both;transition:var(--transition);box-shadow:var(--shadow-sm)}.item-card:hover{border-color:var(--accent-light);box-shadow:var(--shadow);transform:translateY(-1px)}.item-card .item-name{font-size:15px;font-weight:600;color:var(--text-primary)}.item-card .item-detail{font-size:13px;color:var(--text-secondary);margin-top:3px}.item-card .item-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;margin-top:10px}.badge-purple{background:#7c3aed1a;color:#7c3aed}.badge-cyan{background:#06b6d41a;color:#0891b2}.badge-green{background:#10b9811a;color:#059669}.badge-pink{background:#ec48991a;color:#db2777}.badge-indigo{background:#6366f11a;color:#6366f1}.dark-theme .badge-cyan{color:#22d3ee}.dark-theme .badge-green{color:#34d399}.dark-theme .badge-pink{color:#f472b6}.dark-theme .badge-purple{color:#a78bfa}.dark-theme .badge-indigo{color:#818cf8}.item-card:nth-child(1){animation-delay:.02s}.item-card:nth-child(2){animation-delay:.06s}.item-card:nth-child(3){animation-delay:.1s}.item-card:nth-child(4){animation-delay:.14s}.item-card:nth-child(5){animation-delay:.18s}.item-card:nth-child(6){animation-delay:.22s}.settlement-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;animation:slideUp .4s ease both;transition:var(--transition);box-shadow:var(--shadow-sm)}.settlement-card:hover{border-color:var(--accent-light);transform:translateY(-1px);box-shadow:var(--shadow)}.settlement-card .user-from,.settlement-card .user-to{flex:1;text-align:center}.settlement-card .user-name{font-weight:700;font-size:15px;color:var(--text-primary)}.settlement-card .arrow{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:80px}.settlement-card .arrow-line{width:60px;height:2px;background:var(--accent);position:relative;border-radius:1px}.settlement-card .arrow-line:after{content:"";position:absolute;right:-3px;top:-4px;width:0;height:0;border-left:6px solid var(--accent);border-top:5px solid transparent;border-bottom:5px solid transparent}.settlement-card .arrow-amount{font-size:18px;font-weight:800;color:var(--accent)}.chart-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);animation:fadeIn .5s ease both}.chart-container h3{font-size:15px;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.chart-wrapper{position:relative;max-height:300px}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px}.toast{padding:14px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;animation:slideInRight .3s ease,fadeOut .4s ease 2.6s;border:1px solid;min-width:280px;background:var(--bg-card);color:var(--text-primary);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px}.toast svg{width:18px;height:18px;flex-shrink:0}.toast-success{border-color:var(--success);color:var(--success)}.toast-error{border-color:var(--danger);color:var(--danger)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted);font-size:15px}.empty-state .empty-icon{margin-bottom:12px;color:var(--text-muted);opacity:.5;display:flex;justify-content:center}.empty-state .empty-icon svg{width:44px;height:44px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}.avatar-stack{display:flex;margin-top:10px}.avatar-stack .avatar{width:30px;height:30px;font-size:11px;margin-left:-8px;border:2px solid var(--bg-card)}.avatar-stack .avatar:first-child{margin-left:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(60px)}to{opacity:1;transform:translate(0)}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.recurring-toggle{display:flex;align-items:center;gap:10px;cursor:pointer;padding:8px 0;-webkit-user-select:none;user-select:none}.toggle-switch{width:40px;height:22px;background:var(--border);border-radius:11px;position:relative;transition:var(--transition)}.toggle-switch.active{background:var(--accent)}.toggle-knob{width:18px;height:18px;background:#fff;border-radius:50%;position:absolute;top:2px;left:2px;transition:var(--transition);box-shadow:0 1px 3px #0003}.toggle-switch.active .toggle-knob{left:20px}.badge-recurring{background:#f59e0b1a;color:#f59e0b;display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;vertical-align:middle}.modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal-content{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;max-width:400px;width:90%;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.modal-content h3{font-size:18px;font-weight:700;color:var(--text-primary)}.progress-bar-container{width:100%;height:6px;background:var(--bg-input);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--success));border-radius:3px;transition:width .4s ease;min-width:0}.metrics-comparison{display:flex;align-items:center;justify-content:center;gap:40px}.metrics-before,.metrics-after{text-align:center}.metrics-circle{width:90px;height:90px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:800;margin:0 auto 10px}.metrics-label{font-size:14px;font-weight:700;color:var(--text-primary)}.metrics-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.metrics-arrow{display:flex;flex-direction:column;align-items:center}.debt-table{width:100%;border-collapse:collapse}.debt-table th{text-align:left;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;padding:8px 12px;border-bottom:1px solid var(--border)}.debt-table td{padding:10px 12px;font-size:14px;border-bottom:1px solid var(--border)}.debt-table tr:last-child td{border-bottom:none}.debt-table tr:hover td{background:var(--bg-card-hover)}.debt-graph-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}@media(max-width:900px){.main-content{margin-left:72px;padding:24px 20px}.content-grid,.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.metrics-comparison{flex-direction:column;gap:20px}}@media(max-width:600px){.main-content{margin-left:0;padding-bottom:80px}.stats-grid{grid-template-columns:1fr}}