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

:root {
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --indigo-100: #e0e7ff;
  --indigo-50:  #eef2ff;
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --white: #ffffff;
  --red-600: #dc2626;
}

body { font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif; background: var(--gray-50); color: var(--gray-800); font-size: 14px; }

/* Header */
.header { background: var(--indigo-600); color: var(--white); box-shadow: 0 2px 4px rgba(0,0,0,.15); }
.header-inner { max-width: 1400px; margin: 0 auto; padding: 0 24px; height: 56px; display: flex; align-items: center; justify-content: space-between; }
.header-title { font-size: 18px; font-weight: 700; letter-spacing: .02em; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.user-info { font-size: 13px; opacity: .85; }

/* Layout */
.main { max-width: 1400px; margin: 0 auto; padding: 24px; display: flex; gap: 24px; }
.sidebar { width: 220px; flex-shrink: 0; }
.content { flex: 1; min-width: 0; }

/* Sidebar */
.filter-section { background: var(--white); border-radius: 8px; border: 1px solid var(--gray-200); padding: 16px; }
.filter-title { font-size: 13px; font-weight: 600; color: var(--gray-600); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 12px; }
.filter-group { margin-bottom: 12px; }
.filter-group-label { font-size: 12px; font-weight: 600; color: var(--indigo-600); margin-bottom: 4px; padding: 6px 10px; background: var(--indigo-50); border-radius: 6px; cursor: pointer; border: 2px solid transparent; transition: background .15s, border-color .15s; }
.filter-group-label:hover { background: var(--indigo-100); }
.filter-group-label.active { background: var(--indigo-600); color: var(--white); border-color: var(--indigo-700); }
.filter-item { padding: 5px 10px 5px 18px; border-radius: 6px; cursor: pointer; font-size: 12px; color: var(--gray-600); border: 2px solid transparent; transition: background .15s, color .15s, border-color .15s; }
.filter-item:hover { background: var(--indigo-50); color: var(--indigo-600); }
.filter-item.active { background: var(--indigo-100); color: var(--indigo-700); font-weight: 600; border-color: var(--indigo-300); }

/* Toolbar */
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.search-box { display: flex; gap: 8px; flex: 1; }
.search-input { flex: 1; padding: 8px 12px; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 14px; outline: none; transition: border-color .2s; }
.search-input:focus { border-color: var(--indigo-600); box-shadow: 0 0 0 3px rgba(79,70,229,.15); }
.toolbar-right { display: flex; align-items: center; gap: 12px; }
.result-count { font-size: 13px; color: var(--gray-600); }
.export-group { display: flex; align-items: center; gap: 6px; }
.export-label { font-size: 12px; color: var(--gray-600); }

/* Required mark */
.required-mark { color: var(--red-600); font-size: 11px; }

/* Master modal */
.master-modal-box { max-width: 860px; }
.master-tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 2px solid var(--gray-200); padding-bottom: 0; }
.master-tab { padding: 8px 20px; border: none; background: none; font-size: 14px; color: var(--gray-600); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: color .15s, border-color .15s; }
.master-tab.active { color: var(--indigo-600); border-bottom-color: var(--indigo-600); font-weight: 600; }
.master-tab-content { }
.master-category-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.master-panel { border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; }
.master-panel-full { border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; }
.master-panel-header { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); }
.master-panel-title { font-size: 13px; font-weight: 700; color: var(--gray-800); flex: 1; }
.master-panel-subtitle { font-size: 12px; color: var(--indigo-600); font-weight: 600; flex: 1; }
.master-list { max-height: 360px; overflow-y: auto; }
.master-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.master-item { display: flex; align-items: center; gap: 8px; padding: 9px 14px; border-bottom: 1px solid var(--gray-100); cursor: pointer; transition: background .1s; }
.master-item:last-child { border-bottom: none; }
.master-item:hover { background: var(--gray-50); }
.master-item.selected { background: var(--indigo-50); border-left: 3px solid var(--indigo-600); }
.master-item-name { flex: 1; font-size: 13px; color: var(--gray-800); }
.master-item-order { font-size: 11px; color: var(--gray-400); }
.master-item-actions { display: flex; gap: 4px; flex-shrink: 0; }
.master-empty { padding: 20px; text-align: center; color: var(--gray-400); font-size: 13px; }
.master-item-move { display: flex; flex-direction: column; gap: 1px; flex-shrink: 0; }
.btn-move { background: none; border: 1px solid var(--gray-200); border-radius: 3px; font-size: 9px; line-height: 1; padding: 2px 4px; cursor: pointer; color: var(--gray-400); transition: background .1s, color .1s; }
.btn-move:hover:not(:disabled) { background: var(--indigo-100); color: var(--indigo-600); border-color: var(--indigo-300); }
.btn-move.disabled, .btn-move:disabled { opacity: .3; cursor: default; }
.btn-xs { padding: 3px 8px; font-size: 11px; }

/* Import modal */
.import-file-area { border: 2px dashed var(--gray-200); border-radius: 8px; padding: 24px; text-align: center; cursor: pointer; transition: border-color .2s, background .2s; margin-bottom: 20px; }
.import-file-area:hover, .import-file-area.dragover { border-color: var(--indigo-600); background: var(--indigo-50); }
.import-file-icon { font-size: 28px; margin-bottom: 8px; }
#import-file-label { font-size: 13px; font-weight: 600; color: var(--gray-800); margin-bottom: 4px; }
.import-file-hint { font-size: 11px; color: var(--gray-400); }
.import-mode-title { font-size: 12px; font-weight: 600; color: var(--gray-600); margin-bottom: 8px; }
.import-modes { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.import-mode-item { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border: 2px solid var(--gray-200); border-radius: 8px; cursor: pointer; transition: border-color .15s, background .15s; }
.import-mode-item:has(input:checked) { border-color: var(--indigo-600); background: var(--indigo-50); }
.import-mode-item input { margin-top: 3px; accent-color: var(--indigo-600); flex-shrink: 0; }
.import-mode-item strong { display: block; font-size: 13px; color: var(--gray-800); }
.import-mode-item small { font-size: 11px; color: var(--gray-600); }
.import-warning { background: #fef3c7; border: 1px solid #f59e0b; border-radius: 6px; padding: 8px 12px; font-size: 12px; color: #92400e; }
.import-template-bar { display: flex; align-items: center; justify-content: space-between; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 6px; padding: 8px 12px; margin-bottom: 12px; }
.import-template-hint { font-size: 12px; color: var(--gray-600); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Table */
.table-wrap { background: var(--white); border-radius: 8px; border: 1px solid var(--gray-200); overflow: auto; }
.task-table { width: 100%; border-collapse: collapse; }
.task-table th { background: var(--indigo-600); color: var(--white); padding: 10px 14px; text-align: left; font-size: 13px; font-weight: 600; white-space: nowrap; position: sticky; top: 0; }
.task-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-100); font-size: 13px; vertical-align: top; }
.task-table tbody tr:last-child td { border-bottom: none; }
.task-table tbody tr:hover { background: var(--indigo-50); cursor: pointer; }
.task-table td.action-cell { white-space: nowrap; }
.col-id { width: 50px; }
.col-big { width: 200px; }
.col-mid { width: 150px; }
.col-pic, .col-admin { width: 90px; }
.move-btns { display: inline-flex; gap: 2px; margin-right: 6px; vertical-align: middle; }

/* Buttons */
.btn { padding: 7px 14px; border-radius: 6px; font-size: 13px; font-weight: 500; cursor: pointer; border: none; transition: background .15s, opacity .15s; }
.btn-primary { background: var(--indigo-600); color: var(--white); }
.btn-primary:hover { background: var(--indigo-700); }
.btn-outline { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.15); }
.btn-ghost { background: var(--gray-100); color: var(--gray-800); }
.btn-ghost:hover { background: var(--gray-200); }
.btn-outline-danger { background: transparent; color: #fca5a5; border: 1px solid rgba(252,165,165,.6); }
.btn-outline-danger:hover { background: rgba(220,38,38,.15); color: #fecaca; }
.btn-danger { background: var(--red-600); color: var(--white); padding: 5px 10px; font-size: 12px; }
.btn-danger:hover { opacity: .85; }
.btn-edit { background: var(--indigo-100); color: var(--indigo-700); padding: 5px 10px; font-size: 12px; }
.btn-edit:hover { background: var(--indigo-600); color: var(--white); }
.full-width { width: 100%; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal.hidden { display: none; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.modal-box { position: relative; background: var(--white); border-radius: 12px; padding: 28px; width: 100%; max-width: 680px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.modal-sm { max-width: 380px; }
.modal-close { position: absolute; top: 14px; right: 14px; background: none; border: none; font-size: 18px; cursor: pointer; color: var(--gray-400); line-height: 1; }
.modal-close:hover { color: var(--gray-800); }
.modal-title { font-size: 17px; font-weight: 700; color: var(--indigo-600); margin-bottom: 20px; }

/* Detail modal */
.detail-modal-box { max-width: 760px; padding: 0; overflow: hidden; }
.detail-header { background: linear-gradient(135deg, var(--indigo-600) 0%, var(--indigo-700) 100%); padding: 28px 32px 24px; color: var(--white); }
.detail-breadcrumb { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.detail-badge-big { background: rgba(255,255,255,.2); padding: 2px 10px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.detail-badge-mid { background: rgba(255,255,255,.15); padding: 2px 10px; border-radius: 99px; font-size: 11px; }
.detail-breadcrumb-sep { opacity: .6; font-size: 13px; }
.detail-title { font-size: 20px; font-weight: 700; line-height: 1.4; margin-bottom: 14px; }
.detail-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.detail-meta-item { display: flex; align-items: center; gap: 5px; }
.detail-meta-label { font-size: 11px; opacity: .7; }
.detail-meta-value { font-size: 13px; font-weight: 600; }
.detail-meta-sep { opacity: .4; }
.detail-sections { padding: 24px 32px; display: flex; flex-direction: column; gap: 16px; max-height: 55vh; overflow-y: auto; }
.detail-section { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 8px; padding: 14px 16px; }
.detail-section-label { font-size: 11px; font-weight: 700; color: var(--indigo-600); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.detail-section-body { font-size: 13px; color: var(--gray-800); line-height: 1.7; white-space: pre-wrap; word-break: break-all; }
.detail-row-group { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-section-half { margin: 0; }
.detail-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 32px; border-top: 1px solid var(--gray-200); background: var(--white); }
.modal-close.detail-close { color: rgba(255,255,255,.8); }
.modal-close.detail-close:hover { color: var(--white); }
@media (max-width: 600px) {
  .detail-row-group { grid-template-columns: 1fr; }
  .detail-header, .detail-sections, .detail-footer { padding-left: 20px; padding-right: 20px; }
}

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--gray-600); }
.form-grid label.full { grid-column: 1 / -1; }
.form-label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--gray-600); margin-bottom: 12px; }
.form-input { padding: 8px 10px; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 13px; outline: none; transition: border-color .2s; }
.form-input:focus { border-color: var(--indigo-600); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.form-textarea { padding: 8px 10px; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 13px; resize: vertical; min-height: 72px; outline: none; transition: border-color .2s; font-family: inherit; }
.form-textarea:focus { border-color: var(--indigo-600); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* Misc */
.hidden { display: none !important; }
.error-msg { color: var(--red-600); font-size: 13px; margin-bottom: 10px; padding: 8px 12px; background: #fef2f2; border-radius: 6px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; background: var(--indigo-100); color: var(--indigo-700); }
.empty-row td { text-align: center; color: var(--gray-400); padding: 40px; }

@media (max-width: 768px) {
  .main { flex-direction: column; padding: 12px; }
  .sidebar { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
}