.group-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);cursor:pointer;flex-direction:column;gap:6px;padding:20px;transition:box-shadow .2s,transform .2s;display:flex}.group-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.group-card-top{justify-content:space-between;align-items:flex-start;margin-bottom:4px;display:flex}.group-emoji{font-size:32px}.delete-btn{color:var(--text-3);background:0 0;border:none;border-radius:4px;padding:0 4px;font-size:20px;line-height:1;transition:color .15s,background .15s}.delete-btn:hover{color:var(--red);background:var(--red-light)}.group-name{color:var(--text);font-size:16px;font-weight:700;line-height:1.3}.group-meta{color:var(--text-3);font-size:13px}.group-total{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:12px;padding-top:12px;display:flex}.group-total-label{color:var(--text-3);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:500}.group-total-amount{color:var(--green);font-size:18px;font-weight:700}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0f172a73;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:480px;box-shadow:var(--shadow-lg);animation:.18s modal-in}@keyframes modal-in{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{justify-content:space-between;align-items:center;padding:20px 24px 0;display:flex}.modal-title{font-size:18px;font-weight:700}.modal-close{color:var(--text-3);background:0 0;border:none;border-radius:4px;padding:0 4px;font-size:24px;line-height:1;transition:color .15s}.modal-close:hover{color:var(--text)}.modal-body{padding:20px 24px 24px}.home-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px;display:flex}.home-title{letter-spacing:-.5px;color:var(--text);font-size:26px;font-weight:800}.home-subtitle{color:var(--text-2);margin-top:4px;font-size:14px}.groups-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.empty-state{text-align:center;background:var(--surface);border-radius:var(--radius);border:2px dashed var(--border);padding:72px 24px}.empty-icon{margin-bottom:16px;font-size:52px}.empty-state h2{margin-bottom:8px;font-size:20px;font-weight:700}.empty-state p{color:var(--text-2);margin-bottom:24px;font-size:14px}.create-form{flex-direction:column;gap:20px;display:flex}.emoji-grid{flex-wrap:wrap;gap:8px;display:flex}.emoji-btn{border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--surface-2);justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;transition:all .15s;display:flex}.emoji-btn:hover{border-color:var(--green);background:var(--green-light)}.emoji-btn.selected{border-color:var(--green);background:var(--green-light);box-shadow:0 0 0 2px var(--green)}.form-actions{justify-content:flex-end;gap:10px;display:flex}.btn-primary{background:var(--green);color:#fff;border-radius:var(--radius-sm);border:none;padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-primary:hover{background:var(--green-dark)}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-secondary:hover{background:var(--border)}.form-group{flex-direction:column;gap:8px;display:flex}.form-label{color:var(--text-2);text-transform:uppercase;letter-spacing:.04em;font-size:13px;font-weight:600}.form-input,.form-select{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:100%;color:var(--text);padding:10px 14px;font-size:14px;transition:border-color .15s}.form-input:focus,.form-select:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 3px #16a34a1f}.form-error{color:var(--red);font-size:12px;font-weight:500}.expense-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:14px;padding:14px 16px;transition:box-shadow .15s;display:flex}.expense-item:hover{box-shadow:var(--shadow)}.cat-badge{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.cat-food{background:#fef3c7}.cat-transport{background:#dbeafe}.cat-accommodation{background:#ede9fe}.cat-activities{background:#fce7f3}.cat-shopping{background:#ffedd5}.cat-utilities{background:#dcfce7}.cat-other{background:var(--surface-2)}.expense-main{flex:1;min-width:0}.expense-top{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px;display:flex}.expense-desc{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.expense-amount{color:var(--text);flex-shrink:0;font-size:16px;font-weight:700}.expense-meta{color:var(--text-3);flex-wrap:wrap;align-items:center;gap:4px;font-size:12px;display:flex}.expense-tag{background:var(--surface-2);color:var(--text-2);border-radius:99px;padding:1px 6px;font-size:11px;font-weight:500}.expense-dot{opacity:.4}.expense-delete{color:var(--text-3);background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:0 4px;font-size:20px;transition:color .15s,background .15s}.expense-delete:hover{color:var(--red);background:var(--red-light)}.back-link{color:var(--text-3);margin-bottom:8px;font-size:13px;font-weight:500;transition:color .15s;display:inline-block}.back-link:hover{color:var(--green)}.group-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px;display:flex}.group-hero-name{align-items:center;gap:12px;margin-bottom:4px;display:flex}.group-hero-emoji{font-size:36px}.group-hero-name h1{letter-spacing:-.5px;font-size:24px;font-weight:800}.group-hero-meta{color:var(--text-3);font-size:13px}.hero-stats{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);gap:0;display:flex;overflow:hidden}.stat{text-align:center;border-right:1px solid var(--border);flex-direction:column;gap:2px;padding:14px 24px;display:flex}.stat:last-child{border-right:none}.stat-value{color:var(--green);letter-spacing:-.5px;font-size:20px;font-weight:800}.stat-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);font-size:11px;font-weight:600}.group-toolbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;padding-bottom:0;display:flex}.tabs{gap:0;display:flex}.tab{color:var(--text-3);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:12px 20px;font-size:14px;font-weight:600;transition:all .15s}.tab:hover{color:var(--text)}.tab.active{color:var(--green);border-bottom-color:var(--green)}.toolbar-actions{padding-bottom:8px}.tab-empty{text-align:center;color:var(--text-2);flex-direction:column;align-items:center;gap:16px;padding:48px 24px;font-size:14px;display:flex}.expense-list{flex-direction:column;gap:10px;display:flex}.settle-banner{border-radius:var(--radius);background:linear-gradient(135deg,#dcfce7 0%,#d1fae5 100%);border:1px solid #86efac;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:24px;padding:20px 24px;display:flex}.settle-banner strong{color:var(--green-dark);margin-bottom:2px;font-size:15px;font-weight:700;display:block}.settle-banner p{color:#166534;font-size:13px}.btn-settle{background:var(--green);color:#fff;border-radius:var(--radius-sm);white-space:nowrap;padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-settle:hover{background:var(--green-dark)}.member-list{flex-direction:column;gap:8px;display:flex}.member-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:12px;padding:14px 16px;display:flex}.member-avatar{background:var(--green-light);width:40px;height:40px;color:var(--green-dark);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;font-weight:700;display:flex}.member-info{flex-direction:column;flex:1;gap:2px;display:flex}.member-name{font-size:15px;font-weight:600}.member-sub{color:var(--text-3);font-size:12px}.member-net{font-size:15px;font-weight:700}.member-net.positive{color:var(--green)}.member-net.negative{color:var(--red)}.remove-member-btn{color:var(--text-3);background:0 0;border:none;border-radius:4px;padding:0 4px;font-size:20px;transition:color .15s,background .15s}.remove-member-btn:hover{color:var(--red);background:var(--red-light)}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.split-label-row{justify-content:space-between;align-items:center;display:flex}.select-all-btn{color:var(--green);background:0 0;border:none;border-radius:4px;padding:2px 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p{color:#166534;font-size:13px}.balance-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;display:grid}.balance-card{background:var(--surface-2);border-radius:var(--radius-sm);text-align:center;flex-direction:column;align-items:center;gap:6px;padding:16px;display:flex}.balance-avatar{background:var(--green-light);width:44px;height:44px;color:var(--green-dark);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;font-size:18px;font-weight:700;display:flex}.balance-name{font-size:14px;font-weight:600}.balance-amount{border-radius:99px;padding:3px 8px;font-size:12px;font-weight:700}.balance-amount.gets-back{background:var(--green-light);color:var(--green-dark)}.balance-amount.owes{background:var(--red-light);color:var(--red)}.category-list{flex-direction:column;gap:14px;display:flex}.category-row{align-items:center;gap:12px;display:flex}.cat-emoji{flex-shrink:0;font-size:20px}.cat-bar-wrap{flex:1}.cat-bar-label{justify-content:space-between;margin-bottom:6px;font-size:13px;font-weight:500;display:flex}.cat-bar-amount{color:var(--text-2);font-weight:600}.cat-bar-bg{background:var(--surface-2);border-radius:99px;height:8px;overflow:hidden}.cat-bar-fill{background:linear-gradient(90deg, var(--green), #22c55e);border-radius:99px;height:100%;transition:width .6s}.cat-pct{color:var(--text-3);text-align:right;flex-shrink:0;width:36px;font-size:12px;font-weight:700}.settlement-footer{justify-content:center;margin-top:8px;display:flex}.btn-secondary-link{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s;display:inline-block}.btn-secondary-link:hover{background:var(--surface-2)}@media (width<=600px){.transaction-row{flex-direction:column;align-items:flex-start}.balance-grid{grid-template-columns:repeat(2,1fr)}}.layout{flex-direction:column;min-height:100vh;display:flex}.header{background:var(--surface);border-bottom:1px solid var(--border);z-index:100;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:900px;height:60px;margin:0 auto;padding:0 24px;display:flex}.logo{align-items:center;gap:8px;display:flex}.logo-icon{font-size:22px}.logo-text{color:var(--green);letter-spacing:-.5px;font-size:18px;font-weight:800}.header-tagline{color:var(--text-3);font-size:13px;font-weight:500}.main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:32px 24px 64px}@media (width<=600px){.header-tagline{display:none}.main{padding:20px 16px 48px}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--green:#16a34a;--green-light:#dcfce7;--green-dark:#15803d;--red:#dc2626;--red-light:#fee2e2;--blue:#2563eb;--blue-light:#dbeafe;--amber:#d97706;--amber-light:#fef3c7;--purple:#7c3aed;--purple-light:#ede9fe;--bg:#f8fafc;--surface:#fff;--surface-2:#f1f5f9;--border:#e2e8f0;--text:#0f172a;--text-2:#475569;--text-3:#94a3b8;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000014, 0 2px 4px #0000000a;--shadow-lg:0 8px 24px #0000001a, 0 4px 8px #0000000a}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Inter,system-ui,sans-serif;line-height:1.5}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}