:root{--bg-dark: #0b1220;--bg-panel: #020617;--bg-topbar: #0f172a;--bg-light: #ffffff;--border-dark: #1e293b;--border-light: #e5e7eb;--text-main-dark: #e5e7eb;--text-main-light: #0f172a;--text-muted-dark: #94a3b8;--text-muted-light: #475569;--accent-start: #6366f1;--accent-end: #8b5cf6;--positive: #22c55e;--negative: #ef4444;--radius-sm: 10px;--radius-md: 14px;--radius-full: 999px;--ease-fast: .16s ease;--ease-med: .22s ease}:root{--bg-app: var(--bg-dark);--bg-surface: var(--bg-panel);--bg-header: var(--bg-topbar);--card-depth-overlay: linear-gradient(180deg, rgba(15, 23, 42, .92), rgba(30, 41, 59, .88));--card-depth-overlay-soft: linear-gradient(180deg, rgba(30, 41, 59, .65), rgba(51, 65, 85, .45));--border-default: var(--border-dark);--text-main: var(--text-main-dark);--text-muted: var(--text-muted-dark)}.layout.light{--bg-app: #f5f7fb;--bg-surface: #ffffff;--bg-header: var(--bg-light);--card-depth-overlay: linear-gradient(180deg, rgba(255, 224, 224, .95), rgba(226, 232, 240, .9));--card-depth-overlay-soft: linear-gradient(180deg, rgba(199, 210, 254, .75), rgba(226, 232, 240, .65));--border-default: var(--border-light);--text-main: var(--text-main-light);--text-muted: var(--text-muted-light)}:root{--pie-1: #6366f1;--pie-2: #8b5cf6;--pie-3: #22d3ee;--pie-4: #22c55e;--pie-5: #f59e0b;--pie-6: #ec4899;--pie-7: #38bdf8;--pie-8: #a3e635;--pie-9: #f97316;--pie-10: #c084fc;--pie-muted: #475569}.layout.light{--pie-1: #4f46e5;--pie-2: #7c3aed;--pie-3: #0891b2;--pie-4: #16a34a;--pie-5: #d97706;--pie-6: #db2777;--pie-7: #0284c7;--pie-8: #65a30d;--pie-9: #ea580c;--pie-10: #9333ea;--pie-muted: #cbd5e1}:root{--heatmap-0: #1e1b4b;--heatmap-1: #3730a3;--heatmap-2: #4f46e5;--heatmap-3: #6366f1;--heatmap-4: #818cf8;--heatmap-5: #a5b4fc;--heatmap-success-0: #14532d;--heatmap-success-1: #166534;--heatmap-success-2: #15803d;--heatmap-success-3: #16a34a;--heatmap-success-4: #22c55e;--heatmap-success-5: #4ade80;--heatmap-empty: #1e293b}.layout.light{--heatmap-0: #e0e7ff;--heatmap-1: #c7d2fe;--heatmap-2: #a5b4fc;--heatmap-3: #818cf8;--heatmap-4: #6366f1;--heatmap-5: #4f46e5;--heatmap-success-0: #dcfce7;--heatmap-success-1: #bbf7d0;--heatmap-success-2: #86efac;--heatmap-success-3: #4ade80;--heatmap-success-4: #22c55e;--heatmap-success-5: #16a34a;--heatmap-empty: #f1f5f9}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg-app);color:var(--text-main);height:100vh;overflow:hidden}.layout{display:flex;height:100vh;background:var(--bg-app);color:var(--text-main);overflow:hidden}.main{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.content{flex:1;min-height:0;overflow-y:auto;padding:32px 36px 48px}.topbar{height:70px;display:flex;align-items:center;padding:0 24px;background:var(--bg-header);border-bottom:2px solid var(--border-default);position:sticky;top:0;z-index:10}.topbar-left{display:flex;align-items:center;gap:14px}.topbar-title{font-size:19px;font-weight:600}.topbar-center{flex:1;display:flex;justify-content:center}.topbar-actions{display:flex;align-items:center;gap:20px}.topbar-actions .icon-btn,.topbar-actions .theme-toggle{color:var(--text-muted)}.icon-btn,.theme-toggle{display:flex;align-items:center;justify-content:center;padding:6px;background:transparent;border:none;cursor:pointer;color:inherit}.icon-btn:hover,.theme-toggle:hover{background:var(--bg-surface);border-radius:var(--radius-full)}.user-chip{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-surface);border:2px solid var(--border-default);border-radius:var(--radius-full);font-size:16px;font-weight:600;cursor:pointer}.user-menu{position:relative}.user-dropdown{position:absolute;right:0;top:110%;border-radius:6px;min-width:140px;z-index:1000}.layout.dark .user-dropdown{background:#222;border:1px solid #333;color:var(--text-main)}.layout.light .user-dropdown{background:#fff;border:1px solid var(--border-default);color:var(--text-main)}.dropdown-item{display:flex;align-items:center;gap:8px;padding:10px 12px;width:100%;background:none;border:none;color:inherit;cursor:pointer}.dropdown-item:hover{background:#ffffff14}.layout.dark .user-chip{color:var(--text-main)}.layout.dark .user-chip svg{color:var(--text-main)}.layout.dark .user-chip:hover{background:var(--bg-surface)}.sidebar{width:264px;padding:18px 14px;background:var(--bg-surface);border-right:1px solid var(--border-default);display:flex;flex-direction:column;height:100vh;overflow-y:auto;transition:width var(--ease-med),padding var(--ease-med),background-color var(--ease-med)}.sidebar-header{display:flex;align-items:center;gap:12px;padding:12px 18px 24px;margin-bottom:6px}.sidebar-logo{width:42px;height:42px;object-fit:contain}.sidebar-brand{display:flex;flex-direction:column;line-height:1.1;transition:opacity var(--ease-fast),transform var(--ease-fast)}.sidebar-title-main{font-size:18px;font-weight:600}.sidebar-title-sub{font-size:13px;font-weight:600;color:var(--text-muted)}.sidebar nav{display:flex;flex-direction:column;gap:4px}.sidebar-item{position:relative;display:flex;align-items:center;gap:18px;padding:10px 14px;background:transparent;border:none;font-size:15px;font-weight:600;color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;margin-bottom:8px;text-decoration:none;transition:background var(--ease-fast),color var(--ease-fast),transform var(--ease-fast)}.sidebar-item:hover{background:#6366f11a;color:#c7d2fe}.sidebar-item.active{background:linear-gradient(135deg,#6366f1f2,#4f46e5f2);color:#fff;box-shadow:0 6px 18px #6366f159}.sidebar-item.active:before{content:"";position:absolute;left:-6px;top:8px;bottom:8px;width:3px;border-radius:2px;background:#a5b4fc}.sidebar-item svg{flex-shrink:0;opacity:.9}.sidebar-divider{margin:14px 10px;height:1px;background:var(--border-default)}.section{margin-bottom:32px}.section h3{font-size:12px;font-weight:600;margin-bottom:12px;color:var(--text-muted);text-transform:uppercase}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.grid>:only-child{max-width:320px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-app)}.login-card{width:400px;padding:32px;background:var(--bg-surface);border:2px solid var(--border-default);border-radius:16px;box-shadow:0 20px 40px #00000059;animation:loginFadeIn .42s ease-out}.login-logo-wrap{display:flex;justify-content:center;margin-bottom:18px}.login-logo{width:72px;height:72px;object-fit:contain;padding:10px;border-radius:14px}.login-title{margin:0 0 24px;font-size:22px;font-weight:700;text-align:center;color:var(--text-main)}.login-subtitle{margin:-16px 0 24px;font-size:14px;text-align:center;color:var(--text-muted)}.login-form{display:flex;flex-direction:column;gap:16px}.login-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--text-muted)}.login-form input{padding:10px 12px;background:var(--bg-app);border:2px solid var(--border-default);border-radius:8px;color:var(--text-main);font-size:15px}.login-form input:focus{outline:none;border-color:#6366f1}.login-form button,.login-btn{margin-top:10px;padding:12px;font-size:15px;font-weight:700;border-radius:10px;border:none;cursor:pointer;color:#fff;background:linear-gradient(135deg,#6366f1f2,#4f46e5f2)}.login-form button:disabled,.login-btn:disabled{opacity:.7;cursor:default}.login-error{padding:10px 12px;border-radius:8px;background:#ef444426;color:#fca5a5;font-size:14px;font-weight:600}@keyframes loginFadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}to{transform:translate(0)}}.login-card.shake{animation:shake .36s ease-in-out}.social-login-section{display:flex;flex-direction:column;gap:12px}.social-btn{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s ease}.social-btn:hover{opacity:.9}.social-btn.google{background:#fff;color:#333;border:1px solid #dadce0}.social-btn.facebook{background:#1877f2;color:#fff;border:none}.social-btn.linkedin{background:#0077b5;color:#fff;border:none}.social-btn.apple{background:#000;color:#fff;border:none}.login-divider{display:flex;align-items:center;gap:12px;margin:8px 0;color:var(--text-muted);font-size:13px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border-default)}.login-footer{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border-default);font-size:13px}.login-link{color:var(--accent-start);text-decoration:none;transition:opacity .15s ease}.login-link:hover{opacity:.8;text-decoration:underline}.login-tabs{display:flex;gap:8px;margin-bottom:24px}.login-tab{flex:1;padding:10px;background:transparent;border:2px solid var(--border-default);border-radius:8px;color:var(--text-muted);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s ease}.login-tab:hover{border-color:var(--accent-start)}.login-tab.active{background:linear-gradient(135deg,var(--accent-start),var(--accent-end));border-color:transparent;color:#fff}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-title{font-size:28px;font-weight:700;margin:0}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-default)}.data-table th{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.data-table tr:hover td{background:#6366f10d}.table-card{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);overflow:hidden}.pagination{display:flex;justify-content:center;align-items:center;gap:8px;padding:16px}.pagination button{padding:8px 12px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:6px;color:var(--text-main);font-size:14px;cursor:pointer}.pagination button:disabled{opacity:.5;cursor:default}.pagination button.active{background:var(--accent-start);border-color:var(--accent-start);color:#fff}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px;text-align:center;color:var(--text-muted)}.empty-state svg{margin-bottom:16px;opacity:.5}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:48px}.spinner{width:40px;height:40px;border:3px solid var(--border-default);border-top-color:var(--accent-start);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card{position:relative;background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:22px;cursor:pointer;transition:transform var(--ease-fast),box-shadow var(--ease-fast),border-color var(--ease-fast)}.card:hover{transform:translateY(-3px);box-shadow:0 12px 26px #00000073,0 0 0 1px #6366f14d;border-color:#6366f1d9}.card:before{content:"";position:absolute;inset:0;border-radius:var(--radius-md);opacity:0;pointer-events:none;background:radial-gradient(480px circle at top left,rgba(99,102,241,.1),transparent 45%);transition:opacity var(--ease-fast)}.card:hover:before{opacity:1}.card h4{margin:0 0 14px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);opacity:.75}.metric-card{overflow:hidden}.metric-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.metric-title{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);opacity:.75}.metric-delta{font-size:13px;font-weight:700}.metric-value{font-size:44px;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--text-main)}.metric-main{transition:opacity .15s ease}.positive{color:var(--positive)}.negative{color:var(--negative)}.leaderboard-card{padding:0}.leaderboard-header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--border-default)}.leaderboard-title{font-size:16px;font-weight:600}.leaderboard-list{padding:12px 0}.leaderboard-item{display:flex;align-items:center;gap:16px;padding:12px 22px;transition:background .15s ease}.leaderboard-item:hover{background:#6366f10d}.leaderboard-rank{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-app);border-radius:50%;font-size:13px;font-weight:700;color:var(--text-muted)}.leaderboard-rank.gold{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#000}.leaderboard-rank.silver{background:linear-gradient(135deg,#d1d5db,#9ca3af);color:#000}.leaderboard-rank.bronze{background:linear-gradient(135deg,#f59e0b,#d97706);color:#000}.leaderboard-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-start);display:flex;align-items:center;justify-content:center;font-weight:600;color:#fff}.leaderboard-info{flex:1}.leaderboard-name{font-weight:600;font-size:14px}.leaderboard-subtitle{font-size:12px;color:var(--text-muted)}.leaderboard-points{font-size:16px;font-weight:700;color:var(--accent-start)}.activity-feed{padding:0}.activity-item{display:flex;align-items:flex-start;gap:14px;padding:14px 22px;border-bottom:1px solid var(--border-default)}.activity-item:last-child{border-bottom:none}.activity-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#6366f11a;border-radius:50%;color:var(--accent-start)}.activity-content{flex:1}.activity-text{font-size:14px;line-height:1.4}.activity-text strong{font-weight:600}.activity-time{font-size:12px;color:var(--text-muted);margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.search-input{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-app);border:2px solid var(--border-default);border-radius:10px;width:300px}.search-input input{flex:1;background:none;border:none;outline:none;color:var(--text-main);font-size:14px}.search-input input::placeholder{color:var(--text-muted)}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.success{background:#22c55e26;color:#22c55e}.badge.warning{background:#f59e0b26;color:#f59e0b}.badge.error{background:#ef444426;color:#ef4444}.badge.info{background:#6366f126;color:#6366f1}.chart-tooltip{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:10px 12px;box-shadow:0 12px 24px #00000073,0 0 0 1px #6366f138}.chart-tooltip-date{font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:6px}.chart-tooltip-row{display:flex;align-items:center;gap:6px;font-size:13px}.chart-tooltip-label{color:var(--text-muted);white-space:nowrap}.chart-tooltip-value{font-weight:600;color:var(--text-main)}.skeleton{background:linear-gradient(90deg,var(--bg-surface) 25%,var(--border-default) 37%,var(--bg-surface) 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite;border-radius:var(--radius-sm)}@keyframes skeleton-loading{0%{background-position:100% 0}to{background-position:0 0}}.skeleton-text{height:16px;margin-bottom:8px}.skeleton-title{height:32px;width:60%;margin-bottom:12px}.skeleton-card{height:120px}.points-breakdown{display:flex;flex-direction:column;gap:12px}.points-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border-default)}.points-row:last-child{border-bottom:none}.points-label{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:14px}.points-value{font-weight:700;font-size:16px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s ease;border:none}.btn-primary{background:linear-gradient(135deg,var(--accent-start),var(--accent-end));color:#fff}.btn-primary:hover{opacity:.9}.btn-secondary{background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-main)}.btn-secondary:hover{border-color:var(--accent-start)}.btn-danger{background:#ef444426;color:#ef4444}.btn-danger:hover{background:#ef444440}