:root{--background: #0a0a12;--surface: #14141e;--surface-high: #1e1e2c;--border: #1e1e30;--primary: #4f8ef7;--primary-dim: rgba(79, 142, 247, .15);--success: #3dd68c;--error: #ff6b6b;--text-primary: #eeeef8;--text-secondary: #8888a8;--text-muted: #525270}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app{max-width:960px;margin:0 auto;padding:32px 20px 60px}.header h1{font-size:28px;font-weight:800;margin:0 0 4px;letter-spacing:-.5px}.subtitle{color:var(--text-secondary);margin:0 0 24px}.campus-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:20px}.campus-tab{flex-shrink:0;background:var(--surface);border:1px solid var(--border);color:var(--text-secondary);border-radius:999px;padding:8px 18px;font-size:14px;font-weight:500;cursor:pointer}.campus-tab.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.search-bar{display:flex;gap:8px;margin-bottom:16px}.filters-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:16px}.grid-controls{margin-bottom:10px}.filter-select{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.filter-select select{background:var(--surface);border:1px solid var(--border);color:var(--text-primary);border-radius:8px;padding:6px 10px;font-size:13px}.filter-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary);cursor:pointer;width:fit-content}.filter-toggle input{accent-color:var(--primary);width:15px;height:15px;cursor:pointer}.search-bar input{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 14px;color:var(--text-primary);font-size:14px}.search-bar input::placeholder{color:var(--text-muted)}.search-bar button{background:var(--primary);border:none;color:#fff;font-weight:600;border-radius:10px;padding:10px 18px;cursor:pointer}.search-bar button:disabled{opacity:.6;cursor:default}.clear-btn{background:var(--surface-high)!important;color:var(--text-secondary)!important}.error-text{color:var(--error);font-size:14px}.status-text{color:var(--text-secondary);font-size:14px;margin:8px 0 16px}.search-result{max-width:360px}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.student-card{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px;text-decoration:none;color:inherit;position:relative;transition:border-color .15s}.student-card:hover{border-color:var(--primary)}.student-intra-arrow{position:absolute;bottom:8px;right:8px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--surface-high);color:var(--primary);font-size:13px;text-decoration:none;opacity:0;transition:opacity .15s}.student-card:hover .student-intra-arrow{opacity:1}.student-avatar-wrap{position:relative;flex-shrink:0}.student-avatar{width:44px;height:44px;border-radius:12px;object-fit:cover;background:var(--surface-high)}.student-avatar-fallback{display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:700;font-size:15px}.student-online-dot{position:absolute;bottom:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:var(--success);border:2px solid var(--background)}.student-info{display:flex;flex-direction:column;min-width:0}.student-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-login{font-size:12px;color:var(--text-muted)}.student-campus{font-size:11px;color:var(--primary);font-weight:600;margin-top:2px}.student-achieved-date{font-size:10px;color:var(--text-muted);margin-top:2px}.student-badge{position:absolute;top:8px;right:8px;color:var(--primary);font-size:10px;font-weight:700;border-radius:999px;padding:2px 8px}.student-card-owner{border-color:#f5bc39;background:linear-gradient(135deg,rgba(245,188,57,.1),var(--surface))}.student-card-owner:hover{border-color:#f5bc39}.student-card-owner .student-name{font-size:12px}.student-badge-owner{top:-10px;right:-13px;color:#14141e;font-size:16px}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:24px;color:var(--text-secondary);font-size:14px}.pagination button{background:var(--surface);border:1px solid var(--border);color:var(--text-primary);border-radius:8px;padding:8px 14px;cursor:pointer}.pagination button:disabled{opacity:.4;cursor:default}.student-card{cursor:pointer}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal-sheet{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:20px;max-width:480px;width:100%;max-height:85vh;overflow-y:auto;padding:32px 24px 24px}.modal-close{position:absolute;top:14px;right:14px;background:var(--surface-high);border:1px solid var(--border);color:var(--text-secondary);border-radius:999px;width:32px;height:32px;cursor:pointer;font-size:14px}.profile-hero{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:20px}.profile-avatar{width:96px;height:96px;border-radius:50%;border:3px solid var(--primary);object-fit:cover;margin-bottom:12px}.profile-avatar-fallback{display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:28px}.profile-hero h2{margin:0 0 2px;font-size:22px}.profile-login{font-size:14px;font-weight:600}.profile-pill{margin-top:10px;border:1px solid;border-radius:999px;padding:4px 14px;font-size:12px;font-weight:700}.level-bar-wrap{width:100%;margin-top:16px}.level-bar-row{display:flex;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:6px}.level-track{height:7px;border-radius:999px;background:var(--surface-high);overflow:hidden}.level-fill{height:100%;border-radius:999px}.level-sub{display:block;font-size:12px;text-align:center;margin-top:6px}.section-title{font-size:16px;font-weight:700;margin:20px 0 10px}.info-grid{display:flex;flex-wrap:wrap;gap:8px}.info-card{flex:1;min-width:45%;background:var(--surface-high);border:1px solid var(--border);border-radius:12px;padding:10px 12px}.info-card-full{min-width:95%}.info-label{display:block;font-size:11px;color:var(--text-muted);margin-bottom:2px}.info-value{display:block;font-size:13px;font-weight:600}.intra-link{display:block;text-align:center;margin-top:16px;padding:10px;border:1px solid;border-radius:10px;font-size:13px;font-weight:600;text-decoration:none}.skills-list{display:flex;flex-direction:column;gap:8px}.skill-row{display:grid;grid-template-columns:110px 1fr 44px;align-items:center;gap:8px;font-size:12px}.skill-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.skill-track{height:6px;border-radius:999px;background:var(--surface-high);overflow:hidden}.skill-fill{height:100%}.skill-level{text-align:right;color:var(--text-secondary)}.projects-list{display:flex;flex-direction:column;gap:6px}.project-row{display:flex;justify-content:space-between;font-size:13px;border-left:3px solid var(--border);background:var(--surface-high);border-radius:8px;padding:8px 12px}.project-pass{border-left-color:var(--success)}.project-fail{border-left-color:var(--error)}.project-pending{border-left-color:#ffba3b}.project-mark{color:var(--text-secondary);font-weight:600}.achievement-section{margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}.section-heading{font-size:18px;font-weight:700;margin:0 0 12px}.campus-group{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}.campus-group:last-child{border-bottom:none}.multi-campus-group{border:1px solid var(--primary);border-radius:14px;padding:20px;background:var(--primary-dim)}.multi-campus-group .section-heading{color:var(--primary)}.refresh-btn{background:var(--surface);border:1px solid var(--border);color:var(--text-primary);border-radius:10px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;margin-bottom:16px}.refresh-btn:disabled{opacity:.6;cursor:default}.header-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.login-gate{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:80px;gap:12px}.login-btn{display:inline-block;background:var(--primary);color:#fff;font-weight:700;text-decoration:none;padding:12px 28px;border-radius:12px;margin-top:8px}.account-menu{position:relative;flex-shrink:0}.account-avatar-btn{background:none;border:none;padding:0;cursor:pointer;border-radius:50%}.account-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--primary);display:block}.account-avatar-fallback{display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:700;font-size:13px}.account-dropdown{position:absolute;top:48px;right:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px;min-width:140px;z-index:20;box-shadow:0 8px 24px #0006}.account-dropdown-name{font-size:12px;color:var(--text-muted);padding:4px 8px 8px;border-bottom:1px solid var(--border);margin-bottom:6px}.account-logout-btn{width:100%;background:var(--surface-high);border:1px solid var(--border);color:var(--error);font-weight:600;font-size:13px;padding:8px;border-radius:8px;cursor:pointer}.footer{margin-top:48px;padding-top:16px;border-top:1px solid var(--border);text-align:center}.footer p{margin:2px 0}.footer-label{color:var(--text-muted);font-size:12px}.footer-name{color:var(--text-primary);font-size:14px;font-weight:600}.footer-meta{color:var(--text-secondary);font-size:13px}.footer-meta a{color:var(--primary);text-decoration:none}.footer-meta a:hover{text-decoration:underline}.scroll-top-btn{position:fixed;bottom:24px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);border:none;color:#fff;font-size:20px;line-height:1;cursor:pointer;box-shadow:0 4px 12px #00000059;display:flex;align-items:center;justify-content:center;z-index:40;transition:opacity .15s,transform .15s}.scroll-top-btn:hover{transform:translateY(-2px)}.inline-loading{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:14px;margin:8px 0 16px}.spinner{width:16px;height:16px;flex-shrink:0;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;cursor:wait}.spinner-large{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}