:root{--primary: #047857;--primary-light: #34D399;--accent: #10B981;--bg-body: #F8FAFC;--bg-card: #FFFFFF;--bg-input: #FFFFFF;--text-main: #1F2933;--text-secondary: #6B7280;--text-inverse: #FFFFFF;--border: #E5E7EB;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--radius: .75rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-body);color:var(--text-main);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:700;letter-spacing:-.025em;line-height:1.25}a{text-decoration:none;color:inherit;transition:color .15s ease}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.glass-panel,.card{background-color:var(--bg-card);border:1px solid 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button.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.expenses-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.expense-form-card{background:var(--bg-surface);padding:1.5rem;border-radius:1rem;margin-bottom:1.5rem;border:1px solid var(--border);box-shadow:var(--shadow-sm)}.expense-form-card input,.expense-form-card select{background-color:#f8fafc;border-color:#cbd5e1;color:#1f2933!important}.expense-form-card input::placeholder{color:#94a3b8!important}.expense-list-detail{list-style:none;background:var(--bg-surface);border-radius:1rem;box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden}.expense-row{display:flex;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border);color:var(--text-main)}.exp-icon{font-size:1.5rem;margin-right:1rem;width:40px;text-align:center}.exp-info{flex:1}.exp-info h4{margin-bottom:.2rem}.exp-info p{font-size:.8rem;color:#888}.exp-amount{font-weight:700;font-size:1.1rem}.balance-grid{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.balance-card{background:#fff;padding:1rem;border-radius:.5rem;box-shadow:var(--shadow-sm);flex:1;min-width:150px;text-align:center;display:flex;flex-direction:column}.balance-card span{font-size:.9rem;color:#666;margin-bottom:.25rem}.balance-card.pos strong{color:var(--color-primary)}.balance-card.neg strong{color:#e53935}.debt-list{list-style:none;background:#fff;border-radius:1rem;padding:1rem;box-shadow:var(--shadow-sm)}.debt-item{padding:1rem;border-bottom:1px solid #eee;font-size:1.1rem}.debt-item:last-child{border-bottom:none}.invite-btn-minimal:hover{background:#ffffff1a!important;border-color:var(--primary-500)!important;transform:translateY(-1px)}.share-dropdown{border:1px solid var(--glass-border)!important;box-shadow:0 10px 25px #0000004d!important}.share-opt:hover{background:#ffffff1a!important}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.trip-header-card{flex-direction:column;text-align:center;padding:1.5rem;gap:1.5rem}.trip-header-card h1{font-size:1.75rem}.members-list{justify-content:center;margin-left:10px}.trip-tabs{overflow-x:auto;white-space:nowrap;padding-bottom:0;scrollbar-width:none}.trip-tabs::-webkit-scrollbar{display:none}.expenses-actions{flex-direction:column;gap:1rem;align-items:flex-start}.expense-row{flex-direction:column;align-items:flex-start;padding:1.5rem}.exp-icon{margin-bottom:1rem}.exp-amount{margin-top:1rem;width:100%;display:flex;justify-content:space-between}.balance-grid{grid-template-columns:1fr}}@keyframes popIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.leaderboard-container{max-width:800px;margin:0 auto}.leaderboard-header{text-align:center;margin-bottom:2rem}.leaderboard-header h1{font-size:2.5rem;color:var(--color-primary)}.leader-table-card{background:#fff;border-radius:1rem;box-shadow:0 4px 20px #0000000d;overflow:hidden}.leader-table{width:100%;border-collapse:collapse}.leader-table th{background:#f8f9fa;padding:1rem;text-align:left;font-weight:600;color:#666}.leader-table td{padding:1rem;border-bottom:1px solid #eee}.user-cell{display:flex;align-items:center;gap:1rem}.avatar-sm{width:32px;height:32px;background:var(--color-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem}.rank-col{font-weight:700;color:#888;width:80px;text-align:center}.points-col{font-weight:700;color:var(--color-primary)}.donated-col{color:#e91e63}.rank-1{background:linear-gradient(90deg,#fff9c4,#fff)}.rank-1 .rank-col{font-size:1.5rem}.rank-2{background:#fdfdfd}.rank-3{background:#fffcfc}@media(max-width:600px){.leaderboard-header h1{font-size:1.75rem}.leader-table th:nth-child(4),.leader-table td:nth-child(4){display:none}.leader-table th,.leader-table td{padding:.75rem .5rem;font-size:.85rem}.rank-col{width:40px}}.profile-dashboard{display:flex;flex-direction:column;gap:2rem}.profile-header-card{background:linear-gradient(135deg,#064e3b,#059669);color:#fff;padding:2.5rem;border-radius:1.5rem;display:flex;align-items:center;gap:2rem;box-shadow:0 10px 30px #05966933}.profile-avatar-lg{width:100px;height:100px;background:#fff;color:#064e3b;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:700;border:4px solid rgba(255,255,255,.2);overflow:hidden}.profile-avatar-lg img{width:100%;height:100%;object-fit:cover}.profile-info{flex:1}.profile-info h1{margin:0;font-size:2rem;color:#fff!important}.email-badge{opacity:.9;margin-top:.25rem;color:#ffffffe6!important}.profile-stats-row{display:flex;gap:2rem;background:#ffffff1a;padding:1rem 2rem;border-radius:1rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.stat-box{text-align:center}.stat-val{display:block;font-size:1.5rem;font-weight:800}.stat-label{font-size:.8rem;opacity:.8;text-transform:uppercase;letter-spacing:1px}.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.generic-card{background:#fff;padding:1.5rem;border-radius:1rem;box-shadow:var(--shadow-sm);border:1px solid #eee}.generic-card h3{margin-bottom:1rem;color:var(--color-primary);border-bottom:1px solid #f0f0f0;padding-bottom:.5rem}.mini-list{display:flex;flex-direction:column;gap:.75rem}.mini-item{display:flex;justify-content:space-between;padding:.75rem;background:#f9f9f9;border-radius:.5rem;cursor:pointer;transition:background .2s}.mini-item:hover{background:#f0f0f0}.mini-date{color:#999;font-size:.8rem;width:80px}.mini-name{font-weight:600;flex:1}.mini-points{color:var(--color-accent);font-weight:700}.btn-text{width:100%;text-align:center;background:none;border:none;color:var(--color-primary);margin-top:1rem;font-weight:600;cursor:pointer}.impact-summary{text-align:center;margin-top:1rem;color:#666;font-style:italic}.goal-progress{margin-top:1rem}.goal-label{display:flex;justify-content:space-between;margin-bottom:.5rem;font-weight:600}.progress-bar{height:10px;background:#eee;border-radius:5px;overflow:hidden;margin-bottom:.5rem}.progress-bar .fill{height:100%;background:var(--color-accent)}.impact-container{display:flex;flex-direction:column;gap:2rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.stat-card{background:#fff;padding:1.5rem;border-radius:1rem;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:1rem;border-bottom:4px solid #ddd}.stat-icon{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stat-info h3{font-size:1.5rem;color:var(--color-text);line-height:1;margin-bottom:.25rem}.stat-info p{color:#666;font-size:.875rem}.impact-chart-section{background:#fff;padding:2rem;border-radius:1rem;box-shadow:var(--shadow-sm)}.chart-placeholder{margin-top:1.5rem;text-align:center}.bar-chart{display:flex;justify-content:space-around;align-items:flex-end;height:200px;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid #eee}.bar{width:40px;background:#e0e0e0;border-radius:8px 8px 0 0;position:relative;transition:height .5s ease}.bar.active{background:var(--color-primary)}.bar span{position:absolute;bottom:-25px;left:50%;transform:translate(-50%);font-size:.875rem;color:#666}.chart-caption{color:var(--color-primary);font-weight:500}.activity-list{list-style:none;background:#fff;border-radius:1rem;padding:1rem;box-shadow:var(--shadow-sm)}.activity-item{display:flex;justify-content:space-between;padding:1rem;border-bottom:1px solid #f0f0f0}.activity-item:last-child{border-bottom:none}.activity-date{color:#999;font-size:.875rem;width:60px}.activity-desc{font-weight:500;flex:1}.activity-impact{color:var(--color-primary);font-weight:600}