@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--bg-primary-light:#f8fafc;--bg-secondary-light:#fff;--text-primary-light:#0f172a;--text-secondary-light:#475569;--border-light:#e2e8f0;--bg-primary-dark:#090d16;--bg-secondary-dark:#121826;--text-primary-dark:#f8fafc;--text-secondary-dark:#94a3b8;--border-dark:#1e293b;--color-primary:#10b981;--color-primary-hover:#059669;--color-primary-light:#10b98126;--color-danger:#f43f5e;--color-danger-hover:#e11d48;--color-danger-light:#f43f5e1a;--color-success:#10b981;--color-warning:#f59e0b;--color-info:#3b82f6;--glass-bg-light:#ffffffb3;--glass-bg-dark:#121826b3;--glass-border-light:#ffffff80;--glass-border-dark:#ffffff0d;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #00000026, 0 8px 10px -6px #00000026;--font-display:"Outfit", sans-serif;--font-body:"Plus Jakarta Sans", sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--bg-primary:var(--bg-primary-light);--bg-secondary:var(--bg-secondary-light);--text-primary:var(--text-primary-light);--text-secondary:var(--text-secondary-light);--border:var(--border-light);--glass-bg:var(--glass-bg-light);--glass-border:var(--glass-border-light)}[data-theme=dark]{--bg-primary:var(--bg-primary-dark);--bg-secondary:var(--bg-secondary-dark);--text-primary:var(--text-primary-dark);--text-secondary:var(--text-secondary-dark);--border:var(--border-dark);--glass-bg:var(--glass-bg-dark);--glass-border:var(--glass-border-dark)}*{box-sizing:border-box;margin:0;padding:0;transition:background-color .3s,border-color .3s,color .3s}body{font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);letter-spacing:-.02em;font-weight:600}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:var(--shadow-md)}.app-container{grid-template-columns:280px 1fr;min-height:100vh;display:grid}@media (width<=900px){.app-container{grid-template-columns:1fr}}.sidebar{border-right:1px solid var(--border);background-color:var(--bg-secondary);flex-direction:column;height:100vh;padding:24px;display:flex;position:sticky;top:0}@media (width<=900px){.sidebar{border-right:none;border-bottom:1px solid var(--border);height:auto;position:relative}}.logo-container{align-items:center;gap:12px;margin-bottom:32px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--color-primary), #3b82f6);color:#fff;border-radius:var(--radius-md);justify-content:center;align-items:center;width:42px;height:42px;display:flex;box-shadow:0 4px 12px #10b9814d}.logo-text{background:linear-gradient(135deg, var(--text-primary), var(--color-primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:24px;font-weight:800}.nav-menu{flex-direction:column;gap:8px;margin-bottom:24px;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-weight:500;text-decoration:none;display:flex}.nav-item:hover,.nav-item.active{background-color:var(--color-primary-light);color:var(--color-primary)}.user-profile{border-top:1px solid var(--border);align-items:center;gap:12px;margin-top:auto;padding-top:16px;display:flex}.avatar{border-radius:var(--radius-full);color:#fff;text-transform:uppercase;background:linear-gradient(135deg,#10b981,#059669);justify-content:center;align-items:center;width:40px;height:40px;font-weight:600;display:flex}.user-info{flex:1;min-width:0}.user-name{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.user-email{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.main-content{width:100%;max-width:1200px;margin:0 auto;padding:40px;overflow-y:auto}@media (width<=600px){.main-content{padding:20px}}.header-row{justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;display:flex}@media (width<=600px){.header-row{flex-direction:column;align-items:flex-start}}.btn{border-radius:var(--radius-md);cursor:pointer;font-weight:600;font-family:var(--font-body);border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--color-primary), #059669);color:#fff;box-shadow:0 4px 14px #10b98133}.btn-primary:hover{background:linear-gradient(135deg, var(--color-primary-hover), #047857)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--border)}.btn-danger{background:var(--color-danger);color:#fff;box-shadow:0 4px 14px #f43f5e33}.btn-danger:hover{background:var(--color-danger-hover)}.theme-toggle{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-full);background:0 0;border:none;padding:8px}.theme-toggle:hover{background-color:var(--border);color:var(--text-primary)}.stats-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px;display:grid}@media (width<=768px){.stats-grid{grid-template-columns:1fr}}.stat-card{border-radius:var(--radius-lg);align-items:center;gap:20px;padding:24px;display:flex}.stat-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:52px;height:52px;display:flex}.stat-label{color:var(--text-secondary);margin-bottom:4px;font-size:14px}.stat-value{font-size:24px;font-weight:700;font-family:var(--font-display)}.stat-value.positive{color:var(--color-primary)}.stat-value.negative{color:var(--color-danger)}.dashboard-grid{grid-template-columns:2fr 1fr;gap:32px;margin-bottom:32px;display:grid}@media (width<=1024px){.dashboard-grid{grid-template-columns:1fr}}.panel-card{border-radius:var(--radius-lg);margin-bottom:32px;padding:28px}.panel-title{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.feed-list{flex-direction:column;gap:16px;display:flex}.feed-item{border-radius:var(--radius-md);background-color:var(--bg-secondary);border:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px;display:flex;position:relative;overflow:hidden}.feed-item:before{content:"";background-color:var(--border);width:4px;position:absolute;top:0;bottom:0;left:0}.feed-item.expense-item:before{background-color:var(--color-info)}.feed-item.settle-item:before{background-color:var(--color-primary)}.feed-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.item-left{align-items:center;gap:16px;display:flex}.item-avatar{border-radius:var(--radius-md);color:#fff;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.item-details{flex-direction:column;display:flex}.item-title{font-size:15px;font-weight:600}.item-subtitle{color:var(--text-secondary);margin-top:2px;font-size:12px}.item-right{align-items:center;gap:20px;display:flex}.item-amount-info{text-align:right}.item-amount{font-size:16px;font-weight:700}.item-desc-small{color:var(--text-secondary);font-size:11px}.delete-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px}.delete-btn:hover{color:var(--color-danger);background-color:var(--color-danger-light)}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background-color:#090d1699;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{border-radius:var(--radius-lg);width:100%;max-width:550px;animation:.3s cubic-bezier(.16,1,.3,1) modalFadeIn;overflow:hidden}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.95)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-header{border-bottom:1px solid var(--border);background-color:var(--bg-secondary);justify-content:space-between;align-items:center;padding:24px 28px;display:flex}.modal-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none}.modal-body{background-color:var(--bg-primary);max-height:70vh;padding:28px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border);background-color:var(--bg-secondary);justify-content:flex-end;gap:12px;padding:20px 28px;display:flex}.form-group{margin-bottom:20px}.form-label{margin-bottom:8px;font-size:14px;font-weight:600;display:block}.form-input,.form-select{border-radius:var(--radius-md);background-color:var(--bg-secondary);border:1px solid var(--border);width:100%;color:var(--text-primary);font-family:var(--font-body);padding:12px 16px;font-size:14px}.form-input:focus,.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light);outline:none}.checkbox-group{border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--bg-secondary);flex-direction:column;gap:8px;max-height:150px;padding:12px;display:flex;overflow-y:auto}.checkbox-item{cursor:pointer;align-items:center;gap:10px;padding:4px 0;font-size:14px;display:flex}.checkbox-item input{width:16px;height:16px;accent-color:var(--color-primary);border-radius:4px}.splits-section{background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);margin-top:12px;padding:16px}.split-user-row{grid-template-columns:2fr 1fr;align-items:center;gap:12px;margin-bottom:8px;display:grid}.split-user-row:last-child{margin-bottom:0}.debt-simplification-visualizer{flex-direction:column;gap:12px;margin-top:16px;display:flex}.debt-connection{background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);justify-content:space-between;align-items:center;padding:14px 18px;font-size:14px;display:flex}.debt-flow{flex:1;align-items:center;gap:8px;display:flex}.debt-arrow{color:var(--color-warning);font-weight:700}.chart-container{justify-content:center;align-items:center;height:180px;display:flex;position:relative}.add-user-modal-trigger{color:var(--color-primary);cursor:pointer;background:0 0;border:none;font-size:12px;font-weight:600;text-decoration:underline}.add-user-modal-trigger:hover{color:var(--color-primary-hover)}.active-user-select-bar{border-radius:var(--radius-md);background-color:var(--color-primary-light);border:1px solid var(--color-primary);align-items:center;gap:12px;margin-bottom:24px;padding:12px 16px;display:flex}.active-user-select-label{color:var(--color-primary);text-transform:uppercase;font-size:12px;font-weight:700}.active-user-dropdown{color:var(--color-primary);cursor:pointer;background:0 0;border:none;outline:none;font-size:14px;font-weight:700}