:root {
  color-scheme: light;
  --primary: #1f7a5a;
  --primary-dark: #155b42;
  --secondary: #0f4c81;
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #d9e1e8;
  --text: #1b2630;
  --muted: #5a6b7b;
  --success: #2f855a;
  --warning: #d97706;
  --error: #c53030;
  --progress: #4c51bf;
}

* {
  box-sizing: border-box;
  font-family: "Noto Sans KR", "Pretendard", sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.app-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #123728;
  color: #f6f8f9;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand h1 {
  font-size: 18px;
  margin: 0 0 6px;
}

.brand span {
  font-size: 13px;
  color: #c6d4cc;
}

.nav-title {
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 14px;
}

.nav-item {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 6px;
  border: none;
  text-align: left;
  background: transparent;
  color: #dbe6df;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.nav-item.active,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.sidebar-footer {
  margin-top: auto;
  font-size: 13px;
  color: #c6d4cc;
}

.sidebar-footer ul {
  padding-left: 18px;
  margin: 8px 0 0;
}

.content {
  padding: 24px 32px 40px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  gap: 16px;
}

.page-header h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.page-header p {
  margin: 0;
  color: var(--muted);
}

.page-actions {
  display: flex;
  gap: 8px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.section {
  margin-bottom: 20px;
}

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

.section-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.summary-grid.small {
  grid-template-columns: repeat(3, 1fr);
}

.summary-card {
  padding: 16px;
}

.summary-title {
  font-size: 13px;
  color: var(--muted);
}

.summary-value {
  font-size: 24px;
  font-weight: 700;
  margin: 6px 0;
}

.summary-sub {
  font-size: 12px;
  color: var(--muted);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th,
.table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

.table th {
  background: #f0f5f2;
  font-weight: 600;
}

.filter-panel {
  margin-bottom: 16px;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.filter-grid label,
.form-grid label {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.form-grid.wide {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
}

textarea {
  min-height: 80px;
}

.btn {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn.ghost {
  background: #f7f9fb;
}

.badge {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}

.badge-default {
  background: #e7ecf1;
  color: #3a4a5a;
}

.badge-success {
  background: #def7ec;
  color: var(--success);
}

.badge-warning {
  background: #fff4e5;
  color: var(--warning);
}

.badge-error {
  background: #fdecea;
  color: var(--error);
}

.badge-progress {
  background: #e0e7ff;
  color: var(--progress);
}

.info-box {
  background: #f8fbf9;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  color: var(--muted);
}

.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  background: #ffffff;
  margin-bottom: 16px;
}

.upload-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.upload-summary {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.progress-bar {
  width: 100%;
  background: #edf2f7;
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress {
  height: 100%;
  background: var(--progress);
}

.alert {
  background: #f0f9ff;
  border: 1px solid #cfe8ff;
  color: #1e4b7a;
  padding: 10px 12px;
  border-radius: 8px;
  margin-top: 12px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.alert.success {
  background: #ecfdf3;
  border-color: #b7f0cf;
  color: #1c5c36;
}

.alert.warning {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #9a3412;
  flex-direction: column;
  align-items: flex-start;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.quality-item {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.explorer-layout {
  display: grid;
  grid-template-columns: 240px 1fr 220px;
  gap: 16px;
}

.tree-panel,
.summary-panel {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  font-size: 13px;
}

.tree-panel ul {
  padding-left: 16px;
}

.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.thumb-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
}

.thumb {
  background: #f0f4f8;
  border-radius: 8px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  margin-bottom: 8px;
}

.thumb.small {
  width: 64px;
  height: 48px;
  font-size: 11px;
}

.thumb-info {
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.badge-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.summary-box {
  margin-top: 12px;
  background: #f8fafc;
  border-radius: 8px;
  padding: 12px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.preview-box {
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 12px;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.preview-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tab-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tab {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 12px;
}

.tab.active {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

.tab-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: grid;
  gap: 6px;
  font-size: 13px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal {
  width: 640px;
  background: #fff;
  border-radius: 12px;
  padding: 16px;
}

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

.modal-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hidden {
  display: none;
}