/* ============================================================
 * デザイントークン
 * 参考スタイル（styles.refero.design）を踏襲した
 * 「エディトリアル・カーム」な監査ツール向けの配色・余白体系
 * ============================================================ */
:root{
  --bg:#fafaf9;
  --surface:#ffffff;
  --surface-2:#f5f4f3;
  --ink:#0c0a09;
  --ink-soft:#78716c;
  --ink-faint:#a8a29e;
  --border:#e8e6e5;
  --border-strong:#d9d6d4;
  --accent:#3ba6f1;
  --accent-strong:#2f8ed6;
  --accent-wash:#e3f2fc;
  --accent-wash-strong:#c1e1f7;
  --soot:#1c1917;
  --danger:#e0503a;
  --danger-soft:#fbe9e5;
  --warn:#c98a1a;
  --warn-soft:#fbf1de;
  --ok:#1f9d6b;
  --ok-soft:#e3f6ee;
  --info:#3b82f6;
  --info-soft:#e8f0fe;
  --purple:#7c5cd8;
  --purple-soft:#efe9fb;
  --radius-sm:8px;
  --radius:10px;
  --radius-lg:16px;
  --shadow-card:0 4px 16px rgba(12,10,9,.05);
  --shadow-card-hover:0 10px 28px rgba(12,10,9,.09);
  --shadow-drawer:-16px 0 48px rgba(12,10,9,.12);
  --shadow-modal:0 24px 64px rgba(12,10,9,.18);
  --font-ui:'Inter',-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{
  font-family:var(--font-ui);
  background:var(--bg);
  color:var(--ink);
  font-size:14px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
::selection{background:var(--accent-wash-strong);color:var(--soot);}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px;}
::-webkit-scrollbar-track{background:transparent;}

/* ============================================================
 * レイアウト
 * ============================================================ */
.app-shell{display:flex;min-height:100vh;}
.app-shell.pre-auth .sidebar,.app-shell.pre-auth .topbar{display:none;}
.app-shell.pre-auth .main-col{width:100%;}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 28px;box-shadow:var(--shadow-card);}
.auth-card h1{font-size:19px;margin:0 0 4px;}
.auth-card .auth-sub{color:var(--ink-soft);font-size:13px;margin-bottom:22px;}
.auth-card .form-row{margin-bottom:14px;}
.auth-card .btn{width:100%;justify-content:center;}
.auth-error{background:var(--danger-soft);color:var(--danger);border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:14px;}
.sidebar-scrim{
  position:fixed;inset:0;background:rgba(12,10,9,.35);z-index:39;display:none;
}

/* Sidebar */
.sidebar{
  width:248px;flex-shrink:0;background:var(--surface);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:22px 14px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px;padding:2px 8px 26px;}
.brand-mark{
  width:36px;height:36px;flex-shrink:0;object-fit:contain;
}
.brand-title{font-weight:700;font-size:13.5px;letter-spacing:-.01em;line-height:1.3;}
.brand-sub{font-size:11px;color:var(--ink-faint);margin-top:1px;}

.nav{display:flex;flex-direction:column;gap:2px;flex:1;}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);
  color:var(--ink-soft);font-size:13px;font-weight:500;transition:background .12s,color .12s;
}
.nav-item:hover{background:var(--surface-2);color:var(--ink);}
.nav-item.active{background:var(--accent-wash);color:var(--accent-strong);font-weight:600;}
.nav-icon{width:18px;text-align:center;flex-shrink:0;font-size:14px;}
.nav-divider{height:1px;background:var(--border);margin:14px 4px;}
.nav-section-label{
  font-size:10.5px;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.06em;
  font-weight:600;padding:4px 12px 6px;
}
.nav-sub{padding-left:16px;font-size:12.5px;}
.nav-sub .nav-icon{font-size:13px;}

.sidebar-footer{border-top:1px solid var(--border);padding-top:14px;margin-top:10px;}
.disclaimer-mini{font-size:10.5px;color:var(--ink-faint);line-height:1.5;margin-bottom:12px;padding:0 4px;}
.user-chip{display:flex;align-items:center;gap:10px;padding:0 4px;}
.user-avatar{
  width:32px;height:32px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ink-soft);flex-shrink:0;
}
.user-name{font-size:12.5px;font-weight:600;}
.user-role{font-size:11px;color:var(--ink-faint);}
.user-chip-actions{display:flex;gap:10px;margin-top:8px;padding:0 4px;}
.user-chip-actions button{background:none;border:none;padding:0;font-size:11px;color:var(--accent-strong);cursor:pointer;}
.user-chip-actions button:hover{text-decoration:underline;}

/* Main column */
.main-col{flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{
  display:flex;align-items:center;gap:16px;padding:18px 32px 8px;
}
.icon-btn{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  width:38px;height:38px;font-size:15px;color:var(--ink-soft);transition:background .12s;
}
.icon-btn:hover{background:var(--surface-2);}
.only-mobile{display:none;}

.search-box{
  flex:1;max-width:480px;display:flex;align-items:center;gap:9px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:9px 16px;
  transition:border-color .12s,box-shadow .12s;
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);}
.search-icon{color:var(--ink-faint);font-size:15px;}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:13px;color:var(--ink);}
.search-box input::placeholder{color:var(--ink-faint);}
.topbar-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.pill{
  background:var(--accent-wash);color:var(--accent-strong);padding:6px 13px;border-radius:999px;
  font-size:11.5px;font-weight:600;letter-spacing:.01em;
}
.bell{position:relative;font-size:16px;color:var(--ink-soft);cursor:default;}
.badge{
  position:absolute;top:-6px;right:-8px;background:var(--danger);color:#fff;
  font-size:10px;border-radius:999px;padding:1px 5px;min-width:16px;text-align:center;font-weight:600;
}

.content{padding:14px 32px 56px;overflow-x:hidden;width:100%;}

/* ============================================================
 * 汎用コンポーネント
 * ============================================================ */
.page-header{display:flex;align-items:flex-end;justify-content:space-between;margin:8px 0 22px;flex-wrap:wrap;gap:12px;}
.page-title{font-size:21px;font-weight:700;margin:0;letter-spacing:-.015em;color:var(--ink);}
.page-sub{color:var(--ink-soft);font-size:12.5px;margin-top:5px;}

.btn{
  border:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;
  transition:background .12s,color .12s,border-color .12s,transform .08s;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-strong);}
.btn-secondary{background:var(--surface);border:1px solid var(--border);color:var(--ink);}
.btn-secondary:hover{background:var(--surface-2);border-color:var(--border-strong);}
.btn-ghost{background:transparent;color:var(--accent-strong);padding:10px 12px;}
.btn-ghost:hover{background:var(--accent-wash);}
.btn-sm{padding:6px 14px;font-size:12px;}
.btn-danger{background:var(--danger-soft);color:var(--danger);}
.btn-danger:hover{background:#f6d8d1;}
.btn[disabled]{opacity:.45;pointer-events:none;}

.grid{display:grid;gap:18px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:2fr 1fr;}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-2{grid-template-columns:1fr;}}
@media(max-width:640px){.grid-4,.grid-3{grid-template-columns:1fr;}}

.card{
  background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
  padding:22px;border:1px solid var(--border);
}
.card-title{font-size:13.5px;font-weight:700;margin:0 0 16px;display:flex;align-items:center;justify-content:space-between;letter-spacing:-.005em;}
.card-title small{color:var(--ink-faint);font-weight:500;font-size:11.5px;}

/* Stat card */
.stat-card{display:flex;flex-direction:column;gap:12px;cursor:pointer;transition:transform .15s,box-shadow .15s;}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);}
.stat-icon{
  width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:19px;
}
.stat-value{font-size:27px;font-weight:700;letter-spacing:-.02em;}
.stat-label{color:var(--ink-soft);font-size:12px;}
.icon-blue{background:var(--info-soft);color:var(--info);}
.icon-red{background:var(--danger-soft);color:var(--danger);}
.icon-amber{background:var(--warn-soft);color:var(--warn);}
.icon-green{background:var(--ok-soft);color:var(--ok);}
.icon-purple{background:var(--purple-soft);color:var(--purple);}

/* Engagement / Client cards */
.engagement-card{display:flex;flex-direction:column;gap:11px;transition:transform .15s,box-shadow .15s;}
.engagement-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);}
.engagement-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;}
.engagement-actions{display:flex;justify-content:flex-end;margin-top:2px;}
.client-name{font-size:15.5px;font-weight:700;letter-spacing:-.01em;}
.client-meta{font-size:12px;color:var(--ink-soft);}
.status-chip{font-size:10.5px;font-weight:700;padding:4px 11px;border-radius:999px;white-space:nowrap;letter-spacing:.01em;}
.status-draft{background:var(--surface-2);color:var(--ink-soft);}
.status-analyzing{background:var(--warn-soft);color:var(--warn);}
.status-done{background:var(--ok-soft);color:var(--ok);}

/* Form elements */
.form-row{margin-bottom:15px;}
.form-row label{display:block;font-size:12px;font-weight:600;color:var(--ink-soft);margin-bottom:6px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:9px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;
  background:var(--surface);color:var(--ink);transition:border-color .12s,box-shadow .12s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
@media(max-width:640px){.form-grid{grid-template-columns:1fr;}}

/* Table */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:12.5px;}
th{
  text-align:left;color:var(--ink-soft);font-weight:600;padding:11px 14px;border-bottom:1px solid var(--border);
  white-space:nowrap;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;
}
td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top;color:var(--ink);}
tbody tr:last-child td{border-bottom:none;}
tr.finding-row{cursor:pointer;transition:background .1s;}
tr.finding-row:hover{background:var(--surface-2);}

.level-badge{
  display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:22px;
  border-radius:7px;font-weight:700;font-size:11px;color:#fff;padding:0 7px;letter-spacing:.01em;
}
.level-5{background:#c0392b;}
.level-4{background:#d9720f;}
.level-3{background:#c98a1a;}
.level-2{background:#3b82f6;}
.level-1{background:#a8a29e;}

.type-badge{
  display:inline-block;padding:2px 9px;border-radius:999px;font-size:10.5px;font-weight:700;
  border:1px solid currentColor;letter-spacing:.01em;
}
.type-A{color:#c0392b;}
.type-B{color:#7c5cd8;}
.type-C{color:#2f8ed6;}

.status-badge{padding:4px 10px;border-radius:999px;font-size:10.5px;font-weight:600;white-space:nowrap;}
.st-未確認{background:var(--surface-2);color:var(--ink-soft);}
.st-確認中{background:var(--warn-soft);color:var(--warn);}
.st-要照会{background:var(--danger-soft);color:var(--danger);}
.st-問題なし{background:var(--ok-soft);color:var(--ok);}
.st-修正済み{background:var(--info-soft);color:var(--info);}

/* filters */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;align-items:center;}
.filter-bar select,.filter-bar input{
  padding:8px 12px;border:1px solid var(--border);border-radius:999px;font-size:12.5px;background:var(--surface);
  color:var(--ink);
}
.filter-bar select:focus,.filter-bar input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.chip{
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface);
  border:1px solid var(--border);cursor:pointer;color:var(--ink-soft);transition:background .12s,border-color .12s,color .12s;
}
.chip:hover{border-color:var(--border-strong);color:var(--ink);}
.chip.active{background:var(--soot);color:#fff;border-color:var(--soot);}

/* Upload */
.dropzone{
  border:1.5px dashed var(--border-strong);border-radius:var(--radius);padding:38px;text-align:center;color:var(--ink-soft);
  background:var(--surface-2);cursor:pointer;transition:border-color .12s,background .12s;font-size:13px;
}
.dropzone:hover{border-color:var(--accent);background:var(--accent-wash);color:var(--accent-strong);}
.dropzone.drag{border-color:var(--accent);background:var(--accent-wash);}
.mapping-table select{width:100%;}
.badge-req{color:var(--danger);font-size:10.5px;margin-left:5px;font-weight:700;}
.warn-box{background:var(--warn-soft);border:1px solid #f0ddb0;border-radius:var(--radius);padding:13px 16px;font-size:12.5px;color:#8a6212;margin-bottom:16px;line-height:1.6;}
.detect-box{background:var(--accent-wash);border:1px solid var(--accent-wash-strong);border-radius:var(--radius);padding:13px 16px;margin-bottom:16px;}
.detect-box-title{font-size:12.5px;font-weight:700;color:var(--accent-strong);margin-bottom:4px;}
.detect-box-body{font-size:12px;color:#1c5f8c;line-height:1.7;}
.summary-strip{display:flex;gap:26px;flex-wrap:wrap;font-size:12px;color:var(--ink-soft);}
.summary-strip b{font-size:17px;display:block;color:var(--ink);font-weight:700;}

/* Drawer */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(12,10,9,.32);display:none;z-index:40;opacity:0;transition:opacity .2s;
}
.drawer-overlay.open{display:block;opacity:1;}
.drawer{
  position:fixed;top:0;right:-760px;width:min(760px,94vw);height:100vh;background:var(--surface);
  box-shadow:var(--shadow-drawer);z-index:41;transition:right .25s cubic-bezier(.2,.8,.3,1);overflow-y:auto;
  border-left:1px solid var(--border);
}
.drawer.open{right:0;}
.drawer-header{padding:22px 26px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start;}
.drawer-body{padding:22px 26px 64px;}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:20px;overflow-x:auto;}
.tab-btn{padding:9px 15px;font-size:12.5px;font-weight:600;color:var(--ink-faint);border-bottom:2px solid transparent;background:none;border-top:none;border-left:none;border-right:none;white-space:nowrap;transition:color .12s;}
.tab-btn:hover{color:var(--ink);}
.tab-btn.active{color:var(--accent-strong);border-color:var(--accent);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.kv{display:grid;grid-template-columns:130px 1fr;gap:9px 14px;font-size:12.5px;margin-bottom:8px;}
.kv b{color:var(--ink-soft);font-weight:600;}
.evidence-list{margin:0;padding-left:18px;font-size:12.5px;}
.evidence-list li{margin-bottom:4px;}
.comment-thread{display:flex;flex-direction:column;gap:10px;max-height:280px;overflow-y:auto;margin-bottom:10px;}
.comment-bubble{background:var(--surface-2);border-radius:12px;padding:10px 12px;}
.comment-meta{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--ink-faint);margin-bottom:4px;}
.comment-text{font-size:12.5px;white-space:pre-wrap;}
.disclaimer{
  font-size:11.5px;color:var(--ink-soft);background:var(--surface-2);border-radius:var(--radius-sm);padding:11px 14px;margin-top:18px;line-height:1.6;
}

/* Bars / mini charts */
.bar-chart{display:flex;align-items:flex-end;gap:10px;height:130px;}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;}
.bar{width:100%;border-radius:6px 6px 2px 2px;background:var(--accent);min-height:4px;transition:opacity .12s;}
.bar-col:hover .bar{opacity:.8;}
.bar-label{font-size:10.5px;color:var(--ink-faint);}
.hbar-row{display:flex;align-items:center;gap:11px;margin-bottom:11px;font-size:12px;}
.hbar-track{flex:1;background:var(--surface-2);border-radius:999px;height:8px;overflow:hidden;}
.hbar-fill{height:100%;border-radius:999px;}

.empty-state{text-align:center;padding:56px 20px;color:var(--ink-soft);}
.empty-state .big{font-size:38px;margin-bottom:12px;}

.toast-stack{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:8px;z-index:60;}
.toast{background:var(--soot);color:#fff;padding:11px 18px;border-radius:var(--radius-sm);font-size:12.5px;box-shadow:var(--shadow-modal);animation:toast-in .18s ease;}
@keyframes toast-in{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

.textarea-question{
  display:block;width:100%;min-height:320px;resize:vertical;
  padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:13px;line-height:1.6;background:var(--surface);color:var(--ink);
}
.textarea-question:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);}
.question-card{border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:14px;background:var(--surface);box-shadow:var(--shadow-card);}
.question-card .subject{font-weight:700;margin-bottom:8px;}

.tag-list{display:flex;gap:6px;flex-wrap:wrap;}
.tag{background:var(--accent-wash);color:var(--accent-strong);border-radius:999px;padding:3px 10px;font-size:10.5px;font-weight:600;}

/* Modal */
.modal-overlay{
  position:fixed;inset:0;background:rgba(12,10,9,.38);display:none;
  align-items:center;justify-content:center;z-index:70;padding:20px;opacity:0;transition:opacity .15s;
}
.modal-overlay.open{display:flex;opacity:1;}
.modal-box{
  background:var(--surface);border-radius:var(--radius-lg);width:min(640px,100%);max-height:88vh;overflow-y:auto;
  box-shadow:var(--shadow-modal);border:1px solid var(--border);
}
.modal-header{padding:20px 26px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;}
.modal-header h2{margin:0;font-size:16px;font-weight:700;letter-spacing:-.01em;}
.modal-body{padding:22px 26px;}
.modal-footer{padding:16px 26px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}

/* ============================================================
 * レスポンシブ（モバイルでサイドバーをオーバーレイ化）
 * ============================================================ */
@media(max-width:900px){
  .sidebar{
    position:fixed;left:-260px;top:0;height:100vh;z-index:41;transition:left .2s ease;
    box-shadow:var(--shadow-drawer);
  }
  .app-shell.sidebar-open .sidebar{left:0;}
  .app-shell.sidebar-open .sidebar-scrim{display:block;z-index:40;}
  .only-mobile{display:inline-flex;align-items:center;justify-content:center;}
  .topbar{padding:16px 18px 6px;}
  .content{padding:10px 18px 48px;}
}