@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:   #2563eb;
  --primary-d: #1d4ed8;
  --success:   #16a34a;
  --warning:   #d97706;
  --danger:    #dc2626;
  --gray-50:   #f9fafb;
  --gray-100:  #f3f4f6;
  --gray-200:  #e5e7eb;
  --gray-300:  #d1d5db;
  --gray-400:  #9ca3af;
  --gray-500:  #6b7280;
  --gray-700:  #374151;
  --gray-900:  #111827;
  --radius:    8px;
  --shadow:    0 4px 24px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.16);
}

body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  color: var(--gray-900);
  background: var(--gray-50);
  font-size: 14px;
  line-height: 1.6;
}

/* ── Layout ─────────────────────────────────────────────── */
.header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.header-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}
.header-info { display: flex; align-items: center; gap: 16px; color: var(--gray-500); font-size: 13px; }
.header-info .username { font-weight: 600; color: var(--gray-700); }
.header-info .last-login { font-size: 12px; }

.container { max-width: 1400px; margin: 0 auto; padding: 28px 24px; }

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 1px 6px rgba(0,0,0,.07);
  border: 1px solid var(--gray-200);
}
.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title { font-size: 16px; font-weight: 700; color: var(--gray-900); }
.card-body  { padding: 24px; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary    { background: var(--primary);  color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-d); }
.btn-success    { background: var(--success);  color: #fff; }
.btn-success:hover:not(:disabled) { background: #15803d; }
.btn-warning    { background: var(--warning);  color: #fff; }
.btn-warning:hover:not(:disabled) { background: #b45309; }
.btn-danger     { background: var(--danger);   color: #fff; }
.btn-danger:hover:not(:disabled)  { background: #b91c1c; }
.btn-outline    { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover:not(:disabled) { background: #eff6ff; }
.btn-ghost      { background: transparent; color: var(--gray-700); border: 1.5px solid var(--gray-300); }
.btn-ghost:hover:not(:disabled)   { background: var(--gray-100); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group     { margin-bottom: 20px; }
.form-label     { display: block; font-size: 13px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--gray-300);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--gray-900);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-control:disabled { background: var(--gray-100); color: var(--gray-500); cursor: not-allowed; }
.form-control.is-invalid { border-color: var(--danger); }
.form-hint { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

.form-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-check input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary); }

/* ── Table/Grid ───────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
table.data-table th {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 10px 12px;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  position: relative;
}
table.data-table th .sort-icon { font-size: 11px; color: var(--gray-400); margin-left: 4px; }
table.data-table th.sorted-asc  .sort-icon-asc  { color: var(--primary); }
table.data-table th.sorted-desc .sort-icon-desc { color: var(--primary); }
.grid-column-resizer { position:absolute; top:0; right:-4px; width:9px; height:100%; cursor:col-resize; z-index:2; }
.grid-column-resizer:hover, .grid-column-resizing .grid-column-resizer { background:rgba(37,99,235,.22); }
.grid-column-resizing { cursor:col-resize !important; user-select:none !important; }
.grid-frozen-cell { position:sticky !important; z-index:3; background:#fff; }
thead .grid-frozen-cell { z-index:6; background:var(--gray-50); }
thead .filter-row .grid-frozen-cell { z-index:5; background:#f0f4ff !important; }
.grid-frozen-last { box-shadow:5px 0 7px -6px rgba(15,23,42,.65); }
table.data-table tr:hover td.grid-frozen-cell { background:#eff6ff; }
table.data-table tr.selected td.grid-frozen-cell { background:#dbeafe; }
table.data-table td {
  border: 1px solid var(--gray-200);
  padding: 9px 12px;
  color: var(--gray-700);
}
table.data-table tr:hover td { background: #eff6ff; }
table.data-table tr.selected td { background: #dbeafe; }
table.data-table tr { cursor: pointer; }

.filter-row td {
  padding: 4px 6px !important;
  background: #f0f4ff !important;
}
.filter-row input, .filter-row select {
  width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 12px;
  outline: none;
}

/* ── Status Badge ────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-입금전    { background: #fef3c7; color: #92400e; }
.badge-입금확인  { background: #dbeafe; color: #1e40af; }
.badge-광고중    { background: #dcfce7; color: #166534; }
.badge-광고종료  { background: #f3f4f6; color: #6b7280; }
.badge-취소      { background: #fee2e2; color: #991b1b; }
.badge-pending   { background: #fef3c7; color: #92400e; }
.badge-approved  { background: #dcfce7; color: #166534; }
.badge-rejected  { background: #fee2e2; color: #991b1b; }
.badge-terminated{ background: #f3f4f6; color: #6b7280; }

/* ── Pagination ──────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}
.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border: 1.5px solid var(--gray-300);
  background: #fff;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .12s;
  color: var(--gray-700);
}
.page-btn:hover:not(:disabled) { background: #eff6ff; border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.page-btn:disabled { opacity: .35; cursor: not-allowed; }

/* ── Toolbar ──────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 24px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.toolbar-group { display: flex; align-items: flex-end; gap: 8px; }
.toolbar .column-adjust-slot { margin-left: auto; }
.toolbar label { font-size: 12px; font-weight: 600; color: var(--gray-600); display: block; margin-bottom: 4px; }
.toolbar input, .toolbar select {
  padding: 8px 11px;
  border: 1.5px solid var(--gray-300);
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
  outline: none;
  min-width: 140px;
}
.toolbar input:focus, .toolbar select:focus { border-color: var(--primary); }

/* ── Grid footer ─────────────────────────────────────────── */
.grid-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-top: 1px solid var(--gray-200);
  flex-wrap: wrap;
  gap: 10px;
}
.page-size-select { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-600); }
.page-size-select select { padding: 5px 8px; border: 1.5px solid var(--gray-300); border-radius: 6px; }
.total-info { font-size: 13px; color: var(--gray-500); }

/* ── Grid column adjuster ── */
.grid-tools { display:flex; justify-content:flex-end; padding:8px 12px; background:#fff; border-bottom:1px solid var(--gray-200); }
.grid-column-overlay { position:fixed; inset:0; z-index:10000; display:flex; align-items:center; justify-content:center; padding:20px; background:rgba(15,23,42,.48); }
.grid-column-dialog { width:min(620px,100%); height:min(720px,88vh); display:flex; flex-direction:column; overflow:hidden; background:#fff; border-radius:10px; box-shadow:var(--shadow-lg); }
.grid-column-header, .grid-column-actions { position:relative; flex:0 0 auto; display:flex; align-items:center; padding:14px 18px; }
.grid-column-header { justify-content:center; background:var(--primary); color:#fff; border-bottom:1px solid var(--primary-d); }
.grid-column-header strong { font-size:16px; text-align:center; }
.grid-column-close { position:absolute; right:16px; border:0; background:transparent; color:#fff; font-size:24px; cursor:pointer; }
.grid-column-headings, .grid-column-row { display:grid; gap:10px; align-items:center; }
.grid-column-headings { grid-template-columns:minmax(150px,1fr) 180px 70px 105px; flex:0 0 auto; padding:9px 18px; background:var(--gray-50); color:var(--gray-500); font-size:11px; font-weight:600; }
.grid-column-row { grid-template-columns:minmax(150px,1fr) 180px 70px; }
.grid-column-headings > span:first-child { text-align:left; }
.grid-column-headings > span:nth-child(2) { text-align:right; }
.grid-column-headings > span:nth-child(3) { text-align:center; }
.grid-column-list { flex:1 1 auto; min-height:0; overflow-y:auto; padding:4px 18px; }
.grid-column-row { padding:9px 0; border-bottom:1px solid var(--gray-100); cursor:grab; }
.grid-column-row.dragging { opacity:.4; }
.grid-column-row.drag-over { border-top:2px solid var(--primary); }
.grid-column-row label { display:flex; align-items:center; gap:7px; min-width:0; font-size:13px; }
.grid-column-row label span { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.grid-column-row input[type=checkbox] { accent-color:var(--primary); }
.grid-drag-handle { flex:0 0 auto; color:var(--gray-400); font-size:17px; cursor:grab; }
.grid-drag-guide { text-align:right; }
.grid-column-align-boxes { display:flex; width:180px; justify-self:end; }
.grid-column-align-boxes button { flex:1; padding:6px 8px; border:1px solid var(--gray-300); border-right:0; background:#fff; color:var(--gray-600); font-size:12px; cursor:pointer; }
.grid-column-align-boxes button:first-child { border-radius:5px 0 0 5px; }
.grid-column-align-boxes button:last-child { border-right:1px solid var(--gray-300); border-radius:0 5px 5px 0; }
.grid-column-align-boxes button.active { background:var(--primary); border-color:var(--primary); color:#fff; font-weight:600; }
.grid-column-align-boxes svg { display:block; width:18px; height:18px; margin:auto; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; }
.grid-column-freeze { width:70px; justify-self:end; justify-content:flex-end; white-space:nowrap; }
.grid-column-actions { justify-content:flex-start; min-height:62px; border-top:1px solid var(--gray-200); background:#fff; }
.grid-column-actions > div { display:flex; gap:7px; }
.grid-column-actions > div:last-child { position:absolute; left:50%; transform:translateX(-50%); }
@media (max-width:560px) {
  .grid-column-headings { display:none; }
  .grid-column-row { grid-template-columns:1fr; }
  .grid-column-align-boxes { margin-left:25px; }
  .grid-column-freeze { justify-content:flex-start; margin-left:25px; }
  .grid-drag-guide { display:none; }
}

/* ── Misc ────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.flex  { display: flex; }
.items-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-16 { gap: 16px; }

.no-data {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-400);
  font-size: 14px;
}
.no-data .icon { font-size: 40px; display: block; margin-bottom: 10px; }

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Auth pages ──────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
  padding: 20px;
}
.auth-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 480px;
}
.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}
.auth-logo p { font-size: 13px; color: var(--gray-500); }

/* ── 썸네일 hover 마스크 ─────────────────────────────────── */
.thumb-hover-mask {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 600;
  opacity: 0; transition: opacity .18s; border-radius: inherit;
}
[onclick]:hover .thumb-hover-mask,
div[onclick]:hover .thumb-hover-mask { opacity: 1; }

/* ── Overlay popup ───────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(3px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.overlay.visible { opacity: 1; pointer-events: auto; }
.overlay-dialog {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform .2s;
}
.overlay.visible .overlay-dialog { transform: translateY(0); }
.overlay-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 1;
}
.overlay-title { font-size: 17px; font-weight: 700; }
.overlay-close { background: none; border: none; cursor: pointer; font-size: 20px; color: var(--gray-400); padding: 4px; line-height: 1; }
.overlay-close:hover { color: var(--gray-700); }
.overlay-body   { padding: 28px; }
.overlay-footer { padding: 16px 28px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 10px; }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.detail-item { display: flex; flex-direction: column; gap: 4px; }
.detail-label { font-size: 12px; font-weight: 600; color: var(--gray-500); }
.detail-value { font-size: 14px; color: var(--gray-900); }
.detail-full { grid-column: 1 / -1; }

@media (max-width: 640px) {
  .detail-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 24px; }
  .container { padding: 16px; }
  .toolbar { flex-direction: column; align-items: stretch; }
}