:root{--bg: #0b1020;--bg-grad-1: #131a33;--bg-grad-2: #0b1020;--surface: #ffffff;--surface-2: #f7f8fc;--surface-3: #eef0f8;--border: #e7e9f4;--border-strong: #d7dbec;--text: #101426;--text-2: #5b6178;--text-3: #8b90a6;--text-invert: #ffffff;--brand: #6d5efc;--brand-2: #a855f7;--brand-ink: #4a3cf0;--brand-soft: #efeafe;--pos: #12b886;--pos-soft: #e3f9f1;--neg: #f0476b;--neg-soft: #fdeaef;--amber: #f59e0b;--shadow-sm: 0 1px 2px rgba(16, 20, 38, .06), 0 1px 3px rgba(16, 20, 38, .04);--shadow-md: 0 6px 20px rgba(16, 20, 38, .08), 0 2px 6px rgba(16, 20, 38, .05);--shadow-lg: 0 24px 60px rgba(16, 20, 38, .22);--shadow-brand: 0 10px 30px rgba(109, 94, 252, .35);--r-sm: 10px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--sidebar-w: 300px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);color:var(--text);background:radial-gradient(1200px 700px at 15% -10%,#1c2650 0%,transparent 55%),radial-gradient(900px 600px at 100% 0%,#34215c 0%,transparent 50%),linear-gradient(160deg,var(--bg-grad-1),var(--bg-grad-2));-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-tap-highlight-color:transparent}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;touch-action:manipulation}input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}::selection{background:var(--brand);color:#fff}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-thumb{background:#7882aa59;border-radius:999px;border:2px solid transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:#7882aa99;background-clip:padding-box}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh;height:100dvh;max-width:1440px;margin:0 auto;padding:18px;gap:18px}.mobile-topbar,.mobile-actions,.sidebar-backdrop{display:none}.sidebar{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.brand{display:flex;align-items:center;gap:12px;padding:22px 22px 18px}.brand-logo{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:var(--shadow-brand)}.brand-name{font-size:21px;font-weight:800;letter-spacing:-.02em}.brand-name span{color:var(--brand)}.brand-sub{font-size:11.5px;color:var(--text-3);font-weight:500;margin-top:1px}.side-section-label{font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3);padding:8px 24px;display:flex;align-items:center;justify-content:space-between}.side-add-btn{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;color:var(--brand);background:var(--brand-soft);font-size:16px;line-height:1;transition:transform .12s ease,background .12s ease}.side-add-btn:hover{transform:scale(1.08);background:#e4dcff}.group-list{flex:1;overflow-y:auto;padding:4px 12px 12px}.group-item{width:100%;display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:var(--r-md);text-align:left;transition:background .13s ease;position:relative}.group-item:hover{background:var(--surface-2)}.group-item.active{background:var(--brand-soft)}.group-item.active:before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:0 4px 4px 0;background:var(--brand)}.group-emoji{width:38px;height:38px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;font-size:19px;background:var(--surface-3)}.group-item.active .group-emoji{background:#fff}.group-meta{min-width:0;flex:1}.group-title{font-weight:650;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-sub{font-size:12px;color:var(--text-3);margin-top:1px}.group-badge{font-size:12px;font-weight:700;flex-shrink:0;padding:3px 8px;border-radius:999px}.badge-pos{color:var(--pos);background:var(--pos-soft)}.badge-neg{color:var(--neg);background:var(--neg-soft)}.badge-zero{color:var(--text-3);background:var(--surface-3)}.sidebar-footer{padding:14px 18px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}.me-chip{display:flex;align-items:center;gap:10px;min-width:0}.me-name{font-weight:650;font-size:14px}.me-role{font-size:11.5px;color:var(--text-3)}.ghost-btn{font-size:12.5px;font-weight:600;color:var(--text-2);padding:7px 11px;border-radius:9px;transition:background .12s}.ghost-btn:hover{background:var(--surface-2);color:var(--text)}.main{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column}.group-header{position:relative;padding:28px 32px 46px;color:#fff;overflow:hidden}.group-header:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 60%,#d946ef 100%);z-index:0}.group-header:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;opacity:.5;background:radial-gradient(340px 220px at 88% -30%,rgba(255,255,255,.35),transparent 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rgba(255,255,255,.28);padding-left:56px}.gh-stat-label{font-size:12px;opacity:.82;font-weight:600;letter-spacing:.02em}.gh-stat-value{font-size:22px;font-weight:800;margin-top:3px;letter-spacing:-.01em}.gh-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:14px;padding:11px 18px;border-radius:12px;transition:transform .12s ease,box-shadow .12s ease,background .12s ease,opacity .12s;white-space:nowrap}.btn:active{transform:translateY(1px) scale(.99)}.btn-primary{background:#fff;color:var(--brand-ink);box-shadow:0 6px 16px #00000029}.btn-primary:hover{box-shadow:0 10px 22px #00000038}.btn-glass{background:#ffffff2e;color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-glass:hover{background:#ffffff47}.btn-solid{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-brand)}.btn-solid:hover{filter:brightness(1.05)}.btn-soft{background:var(--brand-soft);color:var(--brand-ink)}.btn-soft:hover{background:#e4dcff}.btn-block{width:100%;justify-content:center}.btn-danger{background:var(--neg-soft);color:var(--neg)}.btn-danger:hover{background:var(--neg);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.gh-settings{margin-left:10px;width:32px;height:32px;border-radius:10px;font-size:17px;vertical-align:middle;background:#ffffff29;color:var(--text-invert);border:1px solid rgba(255,255,255,.28);transition:background .12s ease}.gh-settings:hover{background:#ffffff4d}.member-manage-list{border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden}.member-manage-row{display:flex;align-items:center;gap:10px;padding:9px 12px}.member-manage-row+.member-manage-row{border-top:1px solid var(--border)}.mm-name{flex:1;min-width:0;font-size:14.5px;font-weight:600}.mm-you{color:var(--brand-ink);font-weight:700}.mm-placeholder{color:var(--text-3);font-weight:500;font-size:12.5px}.mm-btn{width:30px;height:30px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;color:var(--text-3);transition:background .12s,color .12s}.mm-btn:hover{background:var(--brand-soft);color:var(--brand-ink)}.mm-btn.mm-del:hover{background:var(--neg-soft);color:var(--neg)}.tabs{display:flex;gap:4px;padding:6px;margin:-20px auto 0;position:relative;z-index:2;background:#fff;border-radius:15px;box-shadow:var(--shadow-md);width:fit-content}.tab{font-weight:650;font-size:14px;color:var(--text-2);padding:9px 18px;border-radius:11px;transition:all .13s ease}.tab:hover{color:var(--text)}.tab.active{background:var(--brand-soft);color:var(--brand-ink)}.content{flex:1;overflow-y:auto;padding:24px 32px 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.exp-cat{background:var(--pos-soft)}.exp-del{opacity:0;width:30px;height:30px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;color:var(--text-3);transition:opacity .12s,background .12s,color .12s}.expense-row:hover .exp-del{opacity:1}.exp-del:hover{background:var(--neg-soft);color:var(--neg)}@media (hover: none){.exp-del{opacity:1}}.balance-card{border:1px solid var(--border);border-radius:var(--r-lg);padding:6px;margin-bottom:18px}.balance-card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px}.balance-card-title{font-weight:750;font-size:15px}.balance-row{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:var(--r-md)}.balance-row+.balance-row{border-top:1px solid var(--border);border-radius:0}.balance-text{flex:1;font-size:14.5px}.balance-text 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.12s}.chip:hover{border-color:var(--border-strong)}.chip.sel{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-ink)}.split-mode-tabs{display:flex;gap:4px;padding:4px;background:var(--surface-2);border-radius:12px;margin-bottom:12px}.split-mode-tab{flex:1;text-align:center;font-size:13px;font-weight:650;color:var(--text-2);padding:8px;border-radius:9px;transition:all .12s}.split-mode-tab.active{background:#fff;color:var(--brand-ink);box-shadow:var(--shadow-sm)}.split-list{border:1px solid var(--border);border-radius:12px;overflow:hidden}.split-item{display:flex;align-items:center;gap:12px;padding:11px 14px}.split-item+.split-item{border-top:1px solid var(--border)}.split-item.off{opacity:.45}.split-name{flex:1;font-weight:600;font-size:14px}.split-input{width:92px;padding:8px 10px;text-align:right;border:1.5px solid 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900px){.app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:none;padding:0;gap:0}.mobile-topbar{display:flex;align-items:center;gap:12px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top));color:#fff}.menu-btn{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#ffffff1a;border:1px solid rgba(255,255,255,.16);transition:background .12s}.menu-btn:active{background:#ffffff38}.menu-icon{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:#fff}.menu-icon:before,.menu-icon:after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:#fff}.menu-icon:before{top:-6px}.menu-icon:after{top:6px}.mt-brand{flex:1;font-size:19px;font-weight:800;letter-spacing:-.02em}.mt-brand span{color:#a78bfa}.sidebar{position:fixed;top:0;bottom:0;left:0;width:min(320px,86vw);z-index:60;border-radius:0 var(--r-lg) var(--r-lg) 0;transform:translate(-105%);transition:transform .28s 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cubic-bezier(.22,.9,.3,1);display:flex;flex-direction:column;overflow:hidden}.modal:before{content:"";flex-shrink:0;width:40px;height:4px;border-radius:999px;background:var(--border-strong);margin:10px auto 0}.modal-head{flex-shrink:0;padding-top:12px}.modal-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.modal-foot{flex-shrink:0;border-top:1px solid var(--border);padding-top:14px}.modal-close{width:40px;height:40px}}@keyframes sheet{0%{opacity:.5;transform:translateY(60px)}to{opacity:1;transform:none}}.login-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:20px;padding-top:calc(20px + env(safe-area-inset-top));padding-bottom:calc(20px + env(safe-area-inset-bottom))}.login-card{background:var(--surface);border-radius:var(--r-lg, 20px);box-shadow:var(--shadow-md);padding:44px 36px;width:100%;max-width:400px;text-align:center}.login-logo{width:62px;height:62px;font-size:32px;margin:0 auto 14px;display:grid;place-items:center}.login-card h1{font-size:30px;margin-bottom:6px}.login-card h2{font-size:22px;margin-bottom:6px}.login-sub{color:var(--text-2);font-size:14.5px;line-height:1.5;margin-bottom:24px}.login-btn-slot{display:flex;justify-content:center;min-height:44px}.login-hint{color:var(--text-3);font-size:13px;margin-top:14px}.login-hint.warn{color:var(--amber)}.login-hint code{background:var(--surface-3);padding:1px 6px;border-radius:6px;font-size:12px}.claim-list{margin-bottom:16px;text-align:left}.claim-row{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;margin-bottom:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;cursor:pointer;font-size:14.5px;font-weight:600;color:var(--text)}.claim-row:hover{border-color:var(--brand);background:var(--brand-soft)}.claim-cta{margin-left:auto;color:var(--brand-ink);font-size:13px}.gh-invite{background:#ffffff29;color:var(--text-invert);border:none;border-radius:999px;padding:3px 11px;font-size:12.5px;font-weight:600;cursor:pointer}.gh-invite:hover{background:#ffffff47}.field-help{color:var(--text-3);font-size:12.5px;margin:2px 0 8px;line-height:1.45}.error-banner{margin:12px 24px 0;padding:10px 16px;background:var(--neg-soft);color:var(--neg);border-radius:12px;font-size:13.5px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px}.error-dismiss{margin-left:auto;font-size:16px}.logout-btn{margin-left:auto;background:transparent;border:none;color:var(--text-3);font-size:17px;cursor:pointer;padding:6px;border-radius:8px;flex-shrink:0}.logout-btn:hover{color:var(--neg);background:var(--neg-soft)}img.avatar{border-radius:50%}