:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2230;
  --bg-hover: #22293a;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --accent-yellow: #e3b341;
  --accent-purple: #a371f7;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --border: #30363d;
  --border-accent: #388bfd40;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 10%, rgba(88, 166, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(163, 113, 247, 0.06) 0%, transparent 50%);
}

/* ── 헤더 ── */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-icon {
  font-size: 2rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.header-badge {
  margin-left: auto;
  background: rgba(88, 166, 255, 0.12);
  border: 1px solid rgba(88, 166, 255, 0.3);
  color: var(--accent-blue);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── 메인 컨테이너 ── */
.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 24px;
}

/* ── 컨트롤 패널 ── */
.control-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}

.dns-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 28px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: minmax(130px, 160px) minmax(260px, 1fr) auto auto;
  gap: 14px;
  align-items: end;
  box-shadow: var(--shadow);
}

.dns-panel label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
}

.dns-panel select,
.dns-panel input[type="text"] {
  width: 100%;
  min-height: 38px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 10px;
  font: inherit;
}

.dns-panel select:focus,
.dns-panel input[type="text"]:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.12);
}

.dns-check {
  min-height: 38px;
  flex-direction: row !important;
  align-items: center;
  white-space: nowrap;
}

.dns-check input {
  accent-color: var(--accent-blue);
}

.btn {
  padding: 10px 22px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity 0.2s;
}

.btn:hover::before { opacity: 0.08; }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:active { transform: none; }

.btn-primary {
  background: linear-gradient(135deg, #1f6feb, #388bfd);
  color: white;
  box-shadow: 0 4px 15px rgba(56, 139, 253, 0.3);
}

.btn-success {
  background: linear-gradient(135deg, #238636, #2ea043);
  color: white;
  box-shadow: 0 4px 15px rgba(46, 160, 67, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, #b91c1c, #dc2626);
  color: white;
}

.btn-done {
  background: linear-gradient(135deg, #1a3a2a, #1e4a32);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
  cursor: default;
}

.btn-exclude {
  background: linear-gradient(135deg, #2a2a3a, #3a3048);
  color: var(--text-secondary);
  border: 1px solid rgba(139, 148, 158, 0.25);
}

.btn-exclude:hover::before { opacity: 0.12; }

/* 블랙리스트 버튼 */
.btn-blacklist {
  background: linear-gradient(135deg, #2d1a2a, #3d1e32);
  color: #f85149;
  border: 1px solid rgba(248, 81, 73, 0.3);
}
.btn-blacklist:hover::before { opacity: 0.12; }

/* 블랙리스트 해제 버튼 */
.btn-unblacklist {
  background: linear-gradient(135deg, #1a2d1a, #1e3d1e);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.btn-unblacklist:hover::before { opacity: 0.12; }

/* 블랙리스트 라벨 */
.black-label {
  font-size: 0.75rem;
  color: #f85149;
  opacity: 0.75;
  white-space: nowrap;
}

.excl-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: rgba(227, 179, 65, 0.12);
  border: 1px solid rgba(227, 179, 65, 0.35);
  color: var(--accent-yellow);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.excl-reset-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 4px 10px;
}

.excl-reset-btn:hover::before { opacity: 0.08; }

.action-cell {
  display: flex;
  gap: 6px;
  align-items: center;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
  border-radius: 6px;
}

.domain-count {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.domain-count span {
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 1rem;
}

.last-fetched-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.7;
  white-space: nowrap;
}

/* ── 진행 상태 바 ── */
.progress-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 28px;
  margin-bottom: 24px;
  display: none;
}

.progress-panel.visible { display: block; }

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.progress-label { color: var(--text-secondary); }
.progress-value { color: var(--accent-blue); font-weight: 600; }

.progress-bar-bg {
  background: var(--bg-primary);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 999px;
  transition: width 0.5s ease;
  width: 0%;
}

/* ── 테이블 ── */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* ── 정렬 가능한 헤더 ── */
thead th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

thead th.sortable:hover {
  color: var(--accent-blue);
  background: rgba(88, 166, 255, 0.07);
}

.sort-icon {
  display: inline-block;
  font-size: 0.7rem;
  margin-left: 4px;
  vertical-align: middle;
  line-height: 1;
}

.sort-none { color: var(--text-secondary); opacity: 0.4; }
.sort-asc  { color: var(--accent-blue); }
.sort-desc { color: var(--accent-blue); }

.table-header-row {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-header-row h2 {
  font-size: 1rem;
  font-weight: 600;
}

/* ── 탭 ── */
.tab-header {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.tab-btn {
  padding: 14px 24px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--text-primary); }

.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.tab-badge {
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent-blue);
  border-radius: 20px;
  padding: 1px 8px;
  font-size: 0.75rem;
  font-weight: 700;
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }


table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: var(--bg-secondary);
  padding: 14px 20px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

tbody td {
  padding: 14px 20px;
  font-size: 0.88rem;
  vertical-align: middle;
}

.domain-name {
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-blue);
}

.domain-korean {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.78rem;
  font-family: 'Inter', sans-serif;
  color: var(--accent-yellow);
  font-weight: 500;
  opacity: 0.85;
  vertical-align: middle;
}

.date-text {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

/* ── 상태 뱃지 ── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  max-width: 100%;
}

.status-waiting {
  background: rgba(139, 148, 158, 0.15);
  color: var(--text-secondary);
  border: 1px solid rgba(139, 148, 158, 0.25);
}

.status-processing {
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
  animation: pulse-border 1.5s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(88, 166, 255, 0.3); }
  50% { border-color: rgba(88, 166, 255, 0.8); }
}

.status-success {
  background: rgba(63, 185, 80, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
  flex-direction: column;
  align-items: flex-start;
  border-radius: 8px;
  padding: 8px 12px;
}

.status-success .ns-list {
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: rgba(63, 185, 80, 0.75);
  margin-top: 2px;
}

.status-error {
  background: rgba(248, 81, 73, 0.12);
  color: var(--accent-red);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: 8px;
  flex-direction: column;
  align-items: flex-start;
  padding: 8px 12px;
}

.status-error .err-msg {
  font-size: 0.72rem;
  color: rgba(248, 81, 73, 0.75);
  margin-top: 2px;
  word-break: break-all;
}

/* ── 스피너 ── */
.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(88, 166, 255, 0.3);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── 빈 테이블 상태 ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.9rem; }

/* ── 토스트 알림 ── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  min-width: 280px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow);
  animation: slide-in 0.3s ease;
  font-size: 0.85rem;
}

@keyframes slide-in {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error   { border-left: 3px solid var(--accent-red); }
.toast.info    { border-left: 3px solid var(--accent-blue); }

/* ── CF 상태 배지 ── */
.cf-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}
.cf-done {
  background: rgba(63, 185, 80, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.cf-pending {
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

/* ── 마감일 배지 ── */
.expiry-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
}
.expiry-ok {
  background: rgba(63, 185, 80, 0.1);
  color: var(--accent-green);
}
.expiry-warn {
  background: rgba(227, 179, 65, 0.15);
  color: var(--accent-yellow);
}
.expiry-danger {
  background: rgba(248, 81, 73, 0.15);
  color: var(--accent-red);
  font-weight: 700;
}

/* ── 블랙리스트 행 ── */
.row-blacklisted {
  opacity: 0.45;
  background: rgba(248, 81, 73, 0.04);
}
.row-blacklisted:hover {
  opacity: 0.65;
  background: rgba(248, 81, 73, 0.08);
}

/* ── 반응형 ── */
@media (max-width: 768px) {
  header { padding: 16px 20px; }
  .container { padding: 0 16px; margin: 20px auto; }
  .control-panel { padding: 16px; }
  thead th, tbody td { padding: 10px 12px; }
}