*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Pretendard','Inter',-apple-system,sans-serif;background:#f8f9fb}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:10px}
.fade-in{animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes toastIn{from{transform:translateX(110%);opacity:0}to{transform:none;opacity:1}}
@keyframes toastOut{to{transform:translateX(110%);opacity:0}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes bounceGentle{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.animate-bounce-gentle{animation:bounceGentle 2s infinite}
.skeleton{background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6 50%,#e5e7eb 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}
.modal-bg{background:rgba(15,23,42,.5);backdrop-filter:blur(6px)}
.modal-box{animation:slideUp .25s ease}
.card{background:#fff;border-radius:14px;border:1px solid #f0f0f3;transition:all .2s ease}
.card:hover{box-shadow:0 8px 30px rgba(0,0,0,.06);transform:translateY(-1px)}
.card-flat{background:#fff;border-radius:14px;border:1px solid #f0f0f3}
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 18px;border-radius:10px;font-size:13px;font-weight:600;transition:all .15s;cursor:pointer;border:none;letter-spacing:-.01em;white-space:nowrap}
.btn-primary{background:#3366ff;color:#fff;box-shadow:0 2px 8px rgba(51,102,255,.25)}.btn-primary:hover{background:#1a4fff;box-shadow:0 4px 14px rgba(51,102,255,.35)}
.btn-success{background:#059669;color:#fff;box-shadow:0 2px 8px rgba(5,150,105,.25)}.btn-success:hover{background:#047857}
.btn-danger-fill{background:#ef4444;color:#fff}.btn-danger-fill:hover{background:#dc2626}
.btn-ghost{background:transparent;color:#64748b;padding:7px 10px}.btn-ghost:hover{background:#f1f5f9;color:#334155}
.btn-outline{background:#fff;color:#334155;border:1.5px solid #e5e7eb}.btn-outline:hover{background:#f9fafb;border-color:#d1d5db}
.btn-sm{padding:5px 12px;font-size:11px;gap:4px}
.input{width:100%;padding:10px 14px;border:1.5px solid #e5e7eb;border-radius:10px;font-size:13px;transition:all .15s;outline:none;font-family:inherit;background:#fff;color:#1e293b}
.input:focus{border-color:#3366ff;box-shadow:0 0 0 3px rgba(51,102,255,.08)}
.input::placeholder{color:#a0aec0}
.input-label{display:block;font-size:12px;font-weight:600;color:#475569;margin-bottom:6px}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
textarea.input{resize:vertical;min-height:76px}
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.02em}
.grade-S{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.grade-A{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}
.grade-B{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}
.grade-C{background:#f3f4f6;color:#4b5563;border:1px solid #e5e7eb}
.inf-high{background:#fef2f2;color:#b91c1c;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:700}
.inf-medium{background:#fffbeb;color:#92400e;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600}
.inf-low{color:#9ca3af;font-size:11px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 16px;border-radius:10px;font-size:13px;font-weight:500;color:rgba(255,255,255,.55);cursor:pointer;transition:all .15s;margin:2px 10px}
.nav-item:hover{background:rgba(255,255,255,.07);color:rgba(255,255,255,.85)}
.nav-item.active{background:rgba(51,102,255,.25);color:#fff;font-weight:700}
.nav-item .nav-icon{width:18px;text-align:center;font-size:14px}
.avatar{width:40px;height:40px;border-radius:12px;object-fit:cover;background:#f1f5f9;display:flex;align-items:center;justify-content:center;font-weight:700;color:#64748b;font-size:14px;flex-shrink:0;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.photo-up{position:relative;cursor:pointer}
.photo-up:hover .photo-ov{opacity:1}
.photo-ov{position:absolute;inset:0;background:rgba(0,0,0,.45);border-radius:12px;display:flex;align-items:center;justify-content:center;opacity:0;transition:.2s;color:#fff;font-size:14px}
.sc{background:#fff;border-radius:14px;padding:22px;border:1px solid #f0f0f3;position:relative;overflow:hidden;transition:all .2s}
.sc:hover{box-shadow:0 6px 20px rgba(0,0,0,.05);transform:translateY(-2px)}
.sc-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px}
.mt{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:8px;font-size:11px;font-weight:600}
.mt-visit{background:#eff6ff;color:#1d4ed8}.mt-phone{background:#ecfdf5;color:#047857}.mt-conference{background:#faf5ff;color:#7c3aed}.mt-email{background:#fefce8;color:#a16207}.mt-online{background:#eef2ff;color:#4338ca}
.tr{transition:.1s}.tr:hover{background:#fafbfc}
.empty{text-align:center;padding:56px 20px;color:#94a3b8}
.empty .empty-icon{width:64px;height:64px;border-radius:20px;background:#f8fafc;display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px;color:#cbd5e1}
#toast-wrap{position:fixed;top:20px;right:20px;z-index:100;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:12px;font-size:13px;font-weight:500;box-shadow:0 8px 30px rgba(0,0,0,.12);animation:toastIn .3s ease;min-width:280px;color:#fff}
.toast.out{animation:toastOut .25s ease forwards}
.toast-ok{background:#059669}.toast-err{background:#dc2626}.toast-warn{background:#d97706}
.accent-S{border-left:4px solid #f59e0b}
.accent-A{border-left:4px solid #3b82f6}
.accent-B{border-left:4px solid #10b981}
.accent-C{border-left:4px solid #9ca3af}
.tab{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;font-size:13px;font-weight:600;color:#94a3b8;border-bottom:2px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.tab:hover{color:#64748b}
.tab.active{color:#3366ff;border-color:#3366ff}
.tl-dot{width:10px;height:10px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 2px #3b82f6;flex-shrink:0}
.tl-line{width:2px;background:#e5e7eb;flex-shrink:0;min-height:20px}
.line-clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
/* Search dropdown */
.search-cat{font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em;padding:8px 16px 4px}
.search-item{display:flex;align-items:center;gap:10px;padding:8px 16px;cursor:pointer;transition:.1s;font-size:13px}
.search-item:hover{background:#f8fafc}
.search-item .si-icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0}
/* Keyboard shortcut hint */
.kbd{display:inline-flex;align-items:center;padding:1px 6px;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:4px;font-size:10px;font-weight:600;color:#94a3b8;font-family:monospace}
/* Activity log */
.al-icon{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}
.al-create{background:#ecfdf5;color:#059669}
.al-update{background:#eff6ff;color:#3b82f6}
.al-delete{background:#fef2f2;color:#ef4444}
/* Reminder banner */
.reminder-banner{background:linear-gradient(135deg,#3366ff 0%,#7c3aed 100%);border-radius:16px;padding:20px;box-shadow:0 8px 32px rgba(51,102,255,.2)}
/* Mobile search button */
.mobile-search-btn{display:none;width:36px;height:36px;border-radius:10px;background:#f1f5f9;align-items:center;justify-content:center;cursor:pointer;transition:.15s;color:#64748b;border:none;font-size:14px}
.mobile-search-btn:hover{background:#e2e8f0;color:#334155}
/* Responsive */
@media(max-width:1023px){
  .hide-mobile{display:none !important}
  .mobile-search-btn{display:flex !important}
}
@media(max-width:640px){
  .btn{padding:6px 12px;font-size:12px}
  .sc{padding:14px}
  .reminder-banner{padding:14px}
  #toast-wrap{top:10px;right:10px;left:10px}
  .toast{min-width:auto;font-size:12px;padding:10px 14px}
}