:root{--green:#1a8a4a;--green-light:#e8f5ee;--green-dark:#0f6a36;--text:#1f2937;--text2:#6b7280;--text3:#9ca3af;--bg:#f8faf9;--white:#fff;--border:#e5e7eb;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.06);--shadow-lg:0 10px 25px rgba(0,0,0,.08);--transition:.2s}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}

.header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:1100px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:16px}
.header-logo{width:48px;height:48px;border-radius:50%;object-fit:contain;flex-shrink:0}
.header-text{flex:1;min-width:0}
.header-title{font-size:20px;font-weight:700;letter-spacing:.5px}
.header-motto{font-size:13px;color:var(--green);font-weight:500;margin-top:2px}
.header-admin-link{font-size:18px;text-decoration:none;opacity:.4;transition:var(--transition)}
.header-admin-link:hover{opacity:1}

.container{max-width:1100px;margin:0 auto;padding:0 24px}
.stats-bar{display:flex;gap:12px;padding:20px 24px;max-width:1100px;margin:0 auto;flex-wrap:wrap}
.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:14px 20px;flex:1;min-width:100px;text-align:center;transition:var(--transition)}
.stat-card:hover{border-color:var(--green);box-shadow:var(--shadow)}
.stat-number{font-size:28px;font-weight:700;color:var(--green);line-height:1.2}
.stat-label{font-size:13px;color:var(--text2);margin-top:4px}

.filter-bar{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);margin:0 24px 24px;padding:16px 20px;max-width:1100px;margin-left:auto;margin-right:auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.filter-group{display:flex;align-items:center;gap:8px}
.filter-label{font-size:13px;font-weight:600;color:var(--text2);white-space:nowrap}
.btn-group{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.btn-pill{padding:6px 14px;font-size:13px;border:none;background:var(--white);color:var(--text2);cursor:pointer;font-family:inherit;transition:var(--transition)}
.btn-pill:not(:last-child){border-right:1px solid var(--border)}
.btn-pill:hover{color:var(--green);background:var(--green-light)}
.btn-pill.active{background:var(--green);color:#fff;font-weight:500}
.filter-select{padding:6px 12px;font-size:13px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--white);cursor:pointer;font-family:inherit;min-width:120px}
.filter-select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 2px rgba(26,138,74,.12)}

.loading{text-align:center;padding:60px 24px;color:var(--text3)}
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--green);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}
.result-count{font-size:13px;color:var(--text3);margin-bottom:12px}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-bottom:32px}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--transition);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--green);opacity:0;transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-2px)}
.card:hover::before{opacity:1}
.card-name{font-size:18px;font-weight:700;margin-bottom:6px}
.card-class{display:inline-block;background:var(--green-light);color:var(--green-dark);font-size:12px;font-weight:600;padding:2px 10px;border-radius:20px;margin-bottom:8px}
.card-uni{font-size:15px;font-weight:600;margin-bottom:4px}
.card-location{font-size:13px;color:var(--text2)}
.badge{display:inline-block;font-size:11px;font-weight:600;padding:1px 8px;border-radius:10px;margin-top:6px}
.badge-domestic{background:#dbeafe;color:#1e40af}
.badge-intl{background:#fce7f3;color:#9d174d}

.empty-state{text-align:center;padding:60px 24px;color:var(--text3)}
.empty-state p{font-size:16px}
.empty-sub{font-size:14px;margin-top:8px}

.fab{position:fixed;bottom:32px;right:32px;width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;border:none;font-size:28px;cursor:pointer;box-shadow:0 4px 12px rgba(26,138,74,.4);transition:var(--transition);z-index:90;display:flex;align-items:center;justify-content:center}
.fab:hover{background:var(--green-dark);transform:scale(1.05)}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;display:none;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--white);border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .25s}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h2{font-size:18px;font-weight:700}
.modal-close{width:32px;height:32px;border:none;background:none;font-size:24px;color:var(--text3);cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.modal-close:hover{background:#f3f4f6;color:var(--text)}
.modal-body{padding:20px 24px 24px}

.form-group{margin-bottom:16px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.required{color:#ef4444}.optional{color:var(--text3);font-weight:400}
.form-input{width:100%;padding:10px 14px;font-size:14px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--white);font-family:inherit;transition:var(--transition)}
.form-input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(26,138,74,.12)}
.form-hint{font-size:12px;color:var(--text3);margin-top:4px;display:block}
.radio-group{display:flex;gap:12px}
.radio-option{display:flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:14px;transition:var(--transition)}
.radio-option:hover{border-color:var(--green);background:var(--green-light)}
.radio-option input{accent-color:var(--green)}

.uni-dropdown{display:none;position:absolute;z-index:50;background:var(--white);border:1px solid var(--border);border-radius:8px;max-height:240px;overflow-y:auto;width:100%;box-shadow:var(--shadow-lg)}
.uni-dropdown.show{display:block}
.uni-dropdown-item{padding:8px 14px;font-size:14px;cursor:pointer;transition:var(--transition)}
.uni-dropdown-item:hover{background:var(--green-light);color:var(--green)}
.uni-dropdown-empty{padding:12px 14px;font-size:13px;color:var(--text3);text-align:center}
.form-group{position:relative}

.privacy-check{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;background:var(--green-light);border-radius:8px;margin-top:12px}
.privacy-check input{accent-color:var(--green);margin-top:3px;flex-shrink:0}
.privacy-check label{font-size:13px;cursor:pointer;line-height:1.5}

.form-msg{margin-top:12px;padding:10px 14px;border-radius:8px;font-size:13px;display:none}
.form-msg.error{display:block;background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.form-msg.success{display:block;background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}
.btn-submit{width:100%;padding:12px;font-size:15px;font-weight:600;color:#fff;background:var(--green);border:none;border-radius:8px;cursor:pointer;transition:var(--transition);font-family:inherit;margin-top:16px}
.btn-submit:hover{background:var(--green-dark)}
.btn-submit:disabled{opacity:.5;cursor:not-allowed}

.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);background:var(--green-dark);color:#fff;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;z-index:300;display:none;box-shadow:var(--shadow-lg);animation:slideUp .25s}

.footer{text-align:center;padding:24px;color:var(--text3);font-size:13px;border-top:1px solid var(--border);margin-top:32px}
.footer-sub{font-size:12px;color:var(--green);margin-top:4px}

@media(max-width:640px){
  .header-inner{padding:10px 16px}
  .header-title{font-size:17px}
  .container{padding:0 16px}
  .stats-bar{padding:16px;gap:8px}
  .stat-card{padding:10px 12px}
  .stat-number{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .filter-bar{flex-direction:column;align-items:stretch;margin:0 16px 16px}
  .fab{bottom:20px;right:20px;width:48px;height:48px;font-size:24px}
}

/* Admin */
.admin-login-box{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:380px;box-shadow:var(--shadow-lg);margin:80px auto}
.admin-login-box h2{text-align:center;margin-bottom:24px}
.admin-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}
.admin-table-wrap{overflow-x:auto;background:var(--white);border:1px solid var(--border);border-radius:var(--radius)}
.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table th{background:#f9fafb;padding:10px 14px;text-align:left;font-weight:600;color:var(--text2);border-bottom:2px solid var(--border);white-space:nowrap}
.admin-table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.admin-table tr:hover{background:#f9fafb}
.btn-danger{padding:4px 12px;font-size:12px;border:1px solid #fca5a5;background:#fef2f2;color:#dc2626;border-radius:6px;cursor:pointer;transition:var(--transition);font-family:inherit}
.btn-danger:hover{background:#dc2626;color:#fff}
.btn-export{padding:8px 16px;font-size:13px;font-weight:600;color:var(--green);background:var(--green-light);border:1px solid var(--green);border-radius:8px;cursor:pointer;transition:var(--transition);font-family:inherit}
.btn-export:hover{background:var(--green);color:#fff}