/* ===== 문의 관리 시스템 공통 스타일 ===== */
:root{
  --primary:#3b5bdb;
  --primary-dark:#2f4bb3;
  --primary-light:#eef1fd;
  --accent:#0ca678;
  --danger:#e03131;
  --warning:#f08c00;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --border:#e2e6f0;
  --text:#1f2430;
  --text-muted:#6b7280;
  --radius:10px;
  --shadow:0 2px 10px rgba(31,36,48,0.06);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Inter','Noto Sans KR',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
}
a{text-decoration:none;color:inherit;}

/* Layout */
#app-shell{
  display:flex;
  min-height:100vh;
}
#side-nav{
  width:230px;
  background:#1b2140;
  color:#e7e9f5;
  flex-shrink:0;
  display:flex;
  flex-direction:column;
  position:fixed;
  top:0;left:0;bottom:0;
  overflow-y:auto;
  z-index:100;
}
#side-nav .brand{
  padding:22px 20px 16px;
  font-size:17px;
  font-weight:700;
  border-bottom:1px solid rgba(255,255,255,0.08);
  display:flex;
  align-items:center;
  gap:8px;
}
#side-nav .brand i{color:#7c9bff;}
#side-nav nav{padding:10px;flex:1;}
#side-nav .nav-footer{padding:10px;border-top:1px solid rgba(255,255,255,0.08);}
#side-nav .nav-footer .nav-link{margin-bottom:0;}
#side-nav .nav-group-title{
  font-size:11px;
  color:#8992b8;
  text-transform:uppercase;
  letter-spacing:.05em;
  margin:16px 10px 6px;
}
#side-nav a.nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:8px;
  color:#c7cbe8;
  font-size:14px;
  margin-bottom:2px;
  transition:background .15s, color .15s;
}
#side-nav a.nav-link i{width:18px;text-align:center;color:#8992d0;}
#side-nav a.nav-link:hover{background:rgba(255,255,255,0.06);color:#fff;}
#side-nav a.nav-link.active{background:var(--primary);color:#fff;}
#side-nav a.nav-link.active i{color:#fff;}

#main-content{
  margin-left:230px;
  flex:1;
  padding:26px 32px 60px;
  min-width:0;
}
@media (max-width:900px){
  #side-nav{width:64px;}
  #side-nav .brand span, #side-nav .nav-group-title, #side-nav a.nav-link span{display:none;}
  #side-nav .brand{justify-content:center;}
  #side-nav a.nav-link{justify-content:center;}
  #main-content{margin-left:64px;}
}

.page-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:22px;
}
.page-header h1{
  font-size:22px;
  margin:0 0 4px;
  font-weight:700;
}
.page-header p{
  margin:0;
  color:var(--text-muted);
  font-size:13.5px;
}

.card{
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  padding:20px 22px;
  margin-bottom:20px;
}
.card h2{
  font-size:16px;
  margin:0 0 16px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:8px;
}
.card h2 i{color:var(--primary);}
.card h2.collapsible-toggle{cursor:pointer;user-select:none;}
.card h2.collapsible-toggle .toggle-chevron{margin-left:auto;color:var(--text-muted);font-size:13px;transition:transform .2s;}
.card h2.collapsible-toggle.expanded .toggle-chevron{transform:rotate(180deg);}
.collapsible-body{display:none;}
.collapsible-body.show{display:block;}

.grid{display:grid;gap:16px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:1100px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
}

.field{display:flex;flex-direction:column;gap:6px;position:relative;}
.field label{
  font-size:12.5px;
  font-weight:600;
  color:var(--text-muted);
}
.field label .req{color:var(--danger);margin-left:2px;}
input[type=text],input[type=email],input[type=tel],input[type=date],input[type=datetime-local],input[type=number],
select, textarea{
  border:1px solid var(--border);
  border-radius:8px;
  padding:9px 12px;
  font-size:13.5px;
  font-family:inherit;
  background:#fbfcfe;
  color:var(--text);
  outline:none;
  transition:border-color .15s, box-shadow .15s;
  width:100%;
}
input:focus,select:focus,textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(59,91,219,0.12);
  background:#fff;
}
textarea{resize:vertical;min-height:70px;}

.btn{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 16px;
  border-radius:8px;
  border:1px solid transparent;
  background:var(--primary);
  color:#fff;
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .15s, transform .05s;
  white-space:nowrap;
}
.btn:hover{background:var(--primary-dark);}
.btn:active{transform:scale(0.98);}
.btn.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn.btn-outline:hover{background:var(--primary-light);}
.btn.btn-secondary{background:#eef0f5;color:var(--text);border-color:var(--border);}
.btn.btn-secondary:hover{background:#e3e6ee;}
.btn.btn-danger{background:var(--danger);}
.btn.btn-danger:hover{background:#c92a2a;}
.btn.btn-sm{padding:6px 10px;font-size:12.5px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

table{width:100%;border-collapse:collapse;font-size:13px;}
thead th{
  text-align:left;
  background:#f6f7fb;
  padding:10px 12px;
  color:var(--text-muted);
  font-weight:600;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
tbody td{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
tbody tr:hover{background:#f9fafd;}
.table-wrap{overflow-x:auto;}

.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:3px 9px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:700;
}
.badge-done{background:#e6fcf5;color:#0ca678;}
.badge-progress{background:#fff4e6;color:#f08c00;}
.badge-hold{background:#f1f3f9;color:#5c5f66;}
.badge-yes{background:#e6fcf5;color:#0ca678;}
.badge-no{background:#fff0f0;color:#e03131;}
.badge-active{background:#e6fcf5;color:#0ca678;}
.badge-discontinued{background:#fff0f0;color:#e03131;}
.badge-status-done{background:#ebfbee;color:#2f9e44;}
.badge-status-expired{background:#f1f3f5;color:#868e96;}
.badge-status-progress{background:#fff4e6;color:#f08c00;}

.quote-row-done td{color:#2f9e44;}
.quote-row-expired td{color:#868e96;}
.quote-row-progress td{color:#f08c00;}

.tag{
  display:inline-block;
  padding:2px 8px;
  border-radius:6px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:11.5px;
  font-weight:600;
}

.autocomplete-box{
  position:absolute;
  top:100%;
  left:0;right:0;
  background:#fff;
  border:1px solid var(--border);
  border-radius:8px;
  box-shadow:0 8px 24px rgba(0,0,0,0.12);
  max-height:260px;
  overflow-y:auto;
  z-index:50;
  display:none;
}
.autocomplete-box.show{display:block;}
.autocomplete-item{
  padding:9px 12px;
  cursor:pointer;
  border-bottom:1px solid var(--border);
  font-size:13px;
}
.autocomplete-item:last-child{border-bottom:none;}
.autocomplete-item:hover{background:var(--primary-light);}
.autocomplete-item .ac-main{font-weight:600;}
.autocomplete-item .ac-sub{color:var(--text-muted);font-size:11.5px;margin-top:2px;}

.empty-state{
  text-align:center;
  padding:40px 20px;
  color:var(--text-muted);
  font-size:13.5px;
}
.empty-state i{font-size:28px;display:block;margin-bottom:10px;color:#c3c8dd;}

.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;}
@media (max-width:900px){.stat-cards{grid-template-columns:repeat(2,1fr);}}
.stat-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 18px;
  box-shadow:var(--shadow);
}
.stat-card .stat-label{font-size:12px;color:var(--text-muted);font-weight:600;}
.stat-card .stat-value{font-size:24px;font-weight:800;margin-top:6px;color:var(--primary);}

.modal-overlay{
  position:fixed;inset:0;
  background:rgba(20,22,35,0.5);
  display:none;
  align-items:center;justify-content:center;
  z-index:1000;
  padding:20px;
}
.modal-overlay.show{display:flex;}
.modal-box{
  background:#fff;
  border-radius:12px;
  width:100%;
  max-width:640px;
  max-height:88vh;
  overflow-y:auto;
  padding:24px;
  box-shadow:0 20px 60px rgba(0,0,0,0.25);
}
.modal-box h3{margin:0 0 16px;font-size:17px;display:flex;justify-content:space-between;align-items:center;}
.modal-box .modal-close{cursor:pointer;color:var(--text-muted);font-size:18px;}

.toast-container{
  position:fixed;
  top:20px;right:20px;
  z-index:2000;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.toast{
  background:#1b2140;
  color:#fff;
  padding:12px 18px;
  border-radius:8px;
  font-size:13.5px;
  box-shadow:0 8px 24px rgba(0,0,0,0.2);
  min-width:220px;
  animation:toast-in .2s ease-out;
}
.toast.success{background:#0ca678;}
.toast.error{background:#e03131;}
@keyframes toast-in{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}

.pill-list{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  display:flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:999px;
  background:#f1f3f9;
  font-size:12.5px;
  font-weight:600;
}
.pill button{
  border:none;background:none;color:var(--danger);cursor:pointer;font-size:13px;padding:0;
}

.section-divider{border:none;border-top:1px solid var(--border);margin:18px 0;}

.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px;}
.filter-bar .field{min-width:160px;}

.detail-list dt{font-size:11.5px;color:var(--text-muted);font-weight:600;margin-top:10px;}
.detail-list dd{margin:2px 0 0;font-size:13.5px;}

.link-btn{
  color:var(--primary);
  font-weight:600;
  cursor:pointer;
  font-size:12.5px;
}
.link-btn:hover{text-decoration:underline;}

.helper-text{font-size:11.5px;color:var(--text-muted);margin-top:2px;}

.small-input{max-width:110px;}

.checkbox-label{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  color:var(--text-muted);
  margin-top:6px;
  cursor:pointer;
}
.checkbox-label input[type=checkbox]{width:15px;height:15px;margin:0;cursor:pointer;}

.notice-banner-fade{transition:opacity .35s ease;}