/* ==========================================================================
   관리자 대시보드 전용 스타일시트
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --emerald: #059669;
  --emerald-light: #ecfdf5;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --white:     #ffffff;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--slate-100);
  color: var(--slate-800);
  margin: 0;
  padding: 30px 16px 60px;
}

.admin-container {
  max-width: 960px;
  margin: 0 auto;
}

/* Header */
.admin-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.admin-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-title-wrap h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--slate-900);
}

.admin-title-wrap p {
  font-size: 13px;
  color: var(--slate-500);
}

.admin-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-dark {
  background: var(--slate-900);
  color: white;
}
.btn-dark:hover { background: var(--slate-800); }

.btn-outline {
  background: white;
  border-color: var(--slate-200);
  color: var(--slate-700);
}
.btn-outline:hover { background: var(--slate-50); }

/* Quick Tool Card */
.tool-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.tool-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-badges {
  display: flex;
  gap: 8px;
}

.tool-badge {
  font-size: 12px;
  background: var(--slate-100);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
  color: var(--slate-600);
}

.tool-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .tool-body {
    grid-template-columns: 1fr auto;
  }
}

.search-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--slate-200);
  border-radius: 10px;
  font-size: 13.5px;
  background: var(--slate-50);
}

.search-input:focus {
  outline: none;
  background: white;
  border-color: var(--primary);
}

/* Table Card */
.table-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

.ip-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.ip-table th {
  background: var(--slate-50);
  padding: 12px 16px;
  font-weight: 700;
  color: var(--slate-600);
  border-bottom: 1px solid var(--slate-200);
  font-size: 12.5px;
}

.ip-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--slate-100);
  vertical-align: middle;
}

.ip-table tr:hover {
  background-color: #fafbfc;
}

.ip-tag {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  background: var(--emerald-light);
  color: var(--emerald);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid #a7f3d0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ip-time {
  font-size: 12px;
  color: var(--slate-400);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--slate-200);
  background: white;
  color: var(--slate-600);
}
.btn-sm:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

.btn-danger {
  color: #ef4444;
}
.btn-danger:hover {
  background: #fef2f2;
  border-color: #fca5a5;
}

/* Empty & Loading */
.empty-box {
  padding: 60px 20px;
  text-align: center;
  color: var(--slate-400);
}

.empty-box svg {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-content {
  background: white;
  border-radius: 20px;
  padding: 28px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.pin-input {
  width: 100%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  text-align: center;
  letter-spacing: 8px;
  padding: 12px;
  border: 2px solid var(--slate-200);
  border-radius: 12px;
  margin: 18px 0;
}