/* ==================== 基本設定 ==================== */
:root{
  --navy:#1b2a4e;
  --blue:#2451ff;
  --blue-light:#eef2ff;
  --bg:#f5f6fa;
  --card-bg:#ffffff;
  --border:#e5e7f0;
  --text-main:#1f2433;
  --text-sub:#8a8fa3;
  --green:#1fae6f;
  --orange:#ff9f43;
  --purple:#8b5cf6;
  --radius:14px;
  --shadow:0 2px 10px rgba(20,25,50,0.05);
  --shadow-hover:0 6px 20px rgba(20,25,50,0.12);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Noto Sans JP',"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  background:var(--bg);
  color:var(--text-main);
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
a{text-decoration:none;color:inherit;}
.muted{color:var(--text-sub);font-size:13px;}

/* ==================== アプリ全体レイアウト ==================== */
.app-shell{
  display:grid;
  grid-template-columns:240px 1fr 340px;
  min-height:100vh;
}

/* ==================== ログインゲート ==================== */
#login-gate{
  position:fixed;inset:0;z-index:1000;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f1830,#1b2a4e 60%,#223968);
  padding:20px;
}
.login-box{
  background:#fff;border-radius:18px;padding:40px 36px 34px;width:100%;max-width:380px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);text-align:center;
}
.login-logo{max-width:200px;height:auto;margin:0 auto 22px;display:block;}
.login-box h2{font-size:17px;font-weight:800;margin:0 0 6px;color:var(--text-main);}
.login-box p.login-desc{font-size:12.5px;color:var(--text-sub);margin:0 0 22px;}
.login-form{display:flex;flex-direction:column;gap:12px;}
.login-input-wrap{position:relative;}
.login-input-wrap i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-sub);font-size:13px;}
.login-input-wrap input{
  width:100%;padding:12px 14px 12px 38px;border-radius:10px;border:1px solid var(--border);
  font-size:14px;outline:none;color:var(--text-main);
}
.login-input-wrap input:focus{border-color:var(--blue);}
.login-submit-btn{
  background:var(--navy);color:#fff;border:none;border-radius:10px;padding:12px 14px;
  font-size:14px;font-weight:700;cursor:pointer;transition:.15s;
}
.login-submit-btn:hover{background:#101c38;}
.login-error{
  display:none;color:#e74c3c;font-size:12.5px;font-weight:600;margin-top:-2px;
}
.login-hint{margin-top:18px;font-size:11px;color:var(--text-sub);}

/* ==================== サイドバー ==================== */
.sidebar{
  background:#fff;
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  padding:20px 16px;
  position:sticky;
  top:0;
  height:100vh;
}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:6px 4px 16px;overflow:hidden;height:42px;}
.logo-image{width:100%;height:100%;object-fit:cover;object-position:center;display:block;}
.knowledge-title{font-size:19px;font-weight:800;margin:0;display:flex;align-items:center;gap:10px;}

.sidebar-section-label{
  display:flex;align-items:center;gap:6px;
  font-size:11px;font-weight:700;color:var(--text-sub);
  letter-spacing:.06em;padding:0 6px 10px;
}
.sidebar-section-label .dot{width:6px;height:6px;border-radius:50%;background:var(--blue);display:inline-block;}

.sidebar-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border-radius:10px;padding:9px 12px;margin-bottom:16px;
  border:1px solid var(--border);
}
.sidebar-search i{color:var(--text-sub);font-size:13px;}
.sidebar-search input{border:none;background:none;outline:none;width:100%;font-size:13px;color:var(--text-main);}

.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1;}
.sidebar-nav-label{font-size:11px;font-weight:700;color:var(--text-sub);padding:8px 10px 4px;}
.nav-item{
  display:flex;align-items:center;gap:10px;
  background:none;border:none;border-radius:10px;
  padding:10px 12px;font-size:14px;color:var(--text-main);font-weight:500;
  text-align:left;transition:.15s;
}
.nav-item i{width:18px;text-align:center;color:var(--text-sub);}
.nav-item:hover{background:var(--bg);}
.nav-item.active{background:var(--navy);color:#fff;}
.nav-item.active i{color:#fff;}
.sidebar-bottom{border-top:1px solid var(--border);padding-top:10px;}

/* ==================== メインコンテンツ共通 ==================== */
.main-content{
  padding:24px 28px 60px;
  overflow-y:auto;
  max-height:100vh;
}
.view-header{margin-bottom:20px;}
.view-header h1{font-size:22px;font-weight:800;margin:0 0 4px;display:flex;align-items:center;gap:10px;}
.view-subtitle{color:var(--text-sub);font-size:13px;margin:0;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:10px;font-size:13.5px;font-weight:600;
  border:1px solid transparent;transition:.15s;
}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:#101c38;}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text-main);}
.btn-outline:hover{background:var(--bg);}

/* ==================== ダッシュボード ==================== */
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px;
}
.stat-card{
  background:var(--card-bg);border-radius:var(--radius);padding:18px;
  display:flex;align-items:center;gap:14px;box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.stat-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;flex-shrink:0;
}
.icon-blue{background:linear-gradient(135deg,#4f7bff,#2451ff);}
.icon-green{background:linear-gradient(135deg,#34d399,#1fae6f);}
.icon-orange{background:linear-gradient(135deg,#ffc069,#ff9f43);}
.icon-purple{background:linear-gradient(135deg,#a78bfa,#8b5cf6);}
.stat-info{display:flex;flex-direction:column;}
.stat-value{font-size:22px;font-weight:800;line-height:1.2;}
.stat-label{font-size:12px;color:var(--text-sub);}

.dashboard-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:16px;}
.panel-card{
  background:var(--card-bg);border-radius:var(--radius);padding:20px;
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.panel-title{font-size:15px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px;}

.member-progress-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);}
.member-progress-row:last-child{border-bottom:none;}
.member-avatar{
  width:34px;height:34px;border-radius:50%;background:var(--blue-light);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;
}
.member-progress-info{flex:1;min-width:0;}
.member-progress-name{font-size:13.5px;font-weight:600;}
.member-progress-bar-track{height:6px;background:var(--bg);border-radius:4px;margin-top:5px;overflow:hidden;}
.member-progress-bar-fill{height:100%;background:var(--blue);border-radius:4px;}
.member-progress-pct{font-size:12.5px;font-weight:700;color:var(--text-sub);width:36px;text-align:right;}

.recent-manual-item{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border);font-size:13px;}
.recent-manual-item:last-child{border-bottom:none;}
.recent-manual-item i{color:var(--blue);}
.recent-manual-item .tag-pill{margin-left:auto;}

/* ==================== ウェルカムパッケージ ==================== */
.welcome-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px;}
.current-user-select{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-sub);}
.current-user-select label{display:flex;align-items:center;gap:6px;}
.current-user-select select{padding:8px 10px;border-radius:8px;border:1px solid var(--border);font-size:13px;min-width:180px;}

.package-tabs{display:flex;gap:8px;margin:16px 0;}
.pkg-tab{
  padding:9px 18px;border-radius:10px;border:1px solid var(--border);background:#fff;
  font-weight:700;font-size:13.5px;color:var(--text-main);
}
.pkg-tab.active{background:var(--navy);color:#fff;border-color:var(--navy);}

.progress-summary{
  display:flex;align-items:center;gap:16px;background:var(--card-bg);
  border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin-bottom:20px;box-shadow:var(--shadow);
}
.progress-summary-icon{
  width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,#ffb86b,#ff7a45);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;
}
.progress-summary-text{flex:1;}
.progress-count{font-weight:800;font-size:17px;}
.progress-comment{font-size:12.5px;color:var(--text-sub);margin:2px 0 8px;}
.progress-bar-track{height:8px;background:var(--bg);border-radius:5px;overflow:hidden;}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,#34d399,#1fae6f);border-radius:5px;transition:width .3s;}
.progress-percent{font-size:26px;font-weight:800;color:var(--green);}

.task-group{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);}
.task-group.done .task-group-head{border-left:4px solid var(--green);}
.task-group.active-group .task-group-head{border-left:4px solid var(--orange);}
.task-group-head{
  display:flex;align-items:center;justify-content:between;gap:12px;
  padding:16px 20px;cursor:pointer;
}
.task-group-head .tg-title{font-weight:700;font-size:15px;}
.task-group-head .tg-sub{font-size:12px;color:var(--text-sub);margin-top:2px;}
.task-group-head-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.tg-count-badge{font-size:12.5px;font-weight:700;color:var(--text-sub);background:var(--bg);padding:4px 10px;border-radius:20px;}
.task-group-body{border-top:1px solid var(--border);}
.task-row{
  display:flex;align-items:flex-start;gap:12px;padding:13px 20px;border-bottom:1px solid var(--border);
}
.task-row:last-child{border-bottom:none;}
.task-row.completed .task-row-name{text-decoration:line-through;color:var(--text-sub);}
.task-checkbox{
  width:20px;height:20px;border-radius:6px;border:2px solid var(--border);
  flex-shrink:0;margin-top:2px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:11px;transition:.15s;
}
.task-checkbox.checked{background:var(--green);border-color:var(--green);}
.task-row-main{flex:1;}
.task-row-name{font-size:14px;font-weight:500;}
.task-row-meta{display:flex;align-items:center;gap:10px;margin-top:5px;flex-wrap:wrap;}
.task-link-pill{
  font-size:11px;font-weight:700;background:var(--blue-light);color:var(--blue);padding:2px 8px;border-radius:6px;display:inline-flex;align-items:center;gap:4px;
}
.task-meta-small{font-size:11.5px;color:var(--text-sub);}
.optional-pill{font-size:11px;background:#fff3e0;color:var(--orange);padding:2px 8px;border-radius:6px;font-weight:700;}

/* ==================== ナレッジベース ==================== */
.knowledge-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.knowledge-toolbar .knowledge-title{margin-right:auto;}
.category-tabs{display:flex;gap:6px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:5px;margin-bottom:18px;width:fit-content;flex-wrap:wrap;}
.cat-tab{padding:9px 18px;border-radius:9px;border:none;background:none;font-weight:600;font-size:13.5px;color:var(--text-sub);}
.cat-tab.active{background:var(--navy);color:#fff;}

.knowledge-body-head{display:flex;align-items:baseline;gap:10px;margin-bottom:4px;}
.knowledge-body-head h2{font-size:17px;font-weight:700;display:flex;align-items:center;gap:8px;margin:0;}
.knowledge-library-head{display:flex;align-items:center;justify-content:space-between;margin:16px 0 14px;}
.knowledge-library-head h3{font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;margin:0;}
.count-badge{font-size:11.5px;background:var(--bg);color:var(--text-sub);padding:2px 9px;border-radius:14px;font-weight:700;}

.manual-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;}
.manual-card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:.15s;cursor:pointer;position:relative;
}
.manual-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.manual-thumb{
  height:124px;background:linear-gradient(135deg,#8992a8,#b7bdcf);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.manual-thumb i.play-icon{font-size:30px;color:#fff;opacity:.9;}
.manual-thumb-img{width:100%;height:100%;object-fit:cover;display:block;transition:.2s;}
.manual-card:hover .manual-thumb-img{transform:scale(1.04);}
.manual-thumb.has-image{background:#11131a;}
.manual-thumb-overlay{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(10,14,25,.18);transition:.15s;
}
.manual-thumb-overlay .play-icon{
  font-size:34px;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.4);
}
.manual-card:hover .manual-thumb-overlay{background:rgba(10,14,25,.32);}
.manual-card-actions{
  position:absolute;top:8px;right:8px;display:flex;gap:6px;z-index:2;
}
.manual-edit-btn{
  width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--text-main);border:none;
  cursor:pointer;transition:.15s;
}
.manual-edit-btn:hover{background:#fff;transform:scale(1.08);}
.manual-delete-btn{color:#e74c3c;}
.manual-delete-btn:hover{background:#ffe2e2;}
.manual-card-body{padding:12px 14px 14px;}
.manual-card-title{font-size:13.5px;font-weight:700;line-height:1.4;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.manual-card-desc{font-size:11.5px;color:var(--text-sub);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tag-pill{display:inline-block;font-size:10.5px;font-weight:700;background:var(--bg);color:var(--text-sub);padding:3px 8px;border-radius:6px;}
.empty-state{text-align:center;color:var(--text-sub);font-size:13.5px;padding:50px 0;}

/* ==================== メンバー管理 ==================== */
.table-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:10px;}
.member-table{width:100%;border-collapse:collapse;font-size:13.5px;}
.member-table th{background:var(--bg);text-align:left;padding:12px 16px;font-size:12px;color:var(--text-sub);font-weight:700;}
.member-table td{padding:12px 16px;border-top:1px solid var(--border);}
.role-pill{font-size:11px;font-weight:700;padding:3px 10px;border-radius:14px;white-space:nowrap;display:inline-block;}
.member-table td{white-space:nowrap;}
.role-pill.admin{background:#ffe8e8;color:#e74c3c;}
.role-pill.member{background:var(--blue-light);color:var(--blue);}
.table-actions{display:flex;gap:8px;}
.icon-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-sub);}
.icon-btn:hover{background:var(--bg);}
.icon-btn.danger:hover{background:#ffe8e8;color:#e74c3c;}
.mini-progress{display:flex;align-items:center;gap:8px;}
.mini-progress-track{width:70px;height:6px;background:var(--bg);border-radius:4px;overflow:hidden;}
.mini-progress-fill{height:100%;background:var(--green);}

/* ==================== AIアシスタント パネル ==================== */
.ai-panel{
  background:#fff;border-left:1px solid var(--border);display:flex;flex-direction:column;
  height:100vh;position:sticky;top:0;
}
.ai-panel-header{
  display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--border);font-weight:700;font-size:14.5px;
}
.ai-mascot-small{width:26px;height:26px;border-radius:50%;object-fit:cover;}
.ai-panel-close{margin-left:auto;background:none;border:none;color:var(--text-sub);font-size:14px;}

.ai-panel-body{flex:1;overflow-y:auto;padding:24px 18px;display:flex;flex-direction:column;}
.ai-welcome{text-align:center;margin-bottom:20px;}
.ai-mascot-big{width:84px;height:84px;border-radius:50%;object-fit:cover;margin-bottom:14px;box-shadow:0 4px 14px rgba(0,0,0,.08);}
.ai-welcome h3{font-size:15px;font-weight:700;margin:0 0 4px;}
.ai-welcome p{font-size:12px;color:var(--text-sub);margin:0;}

.ai-suggestions{display:flex;flex-direction:column;gap:8px;margin-bottom:10px;}
.ai-suggestion-btn{
  text-align:left;background:var(--bg);border:1px solid var(--border);border-radius:10px;
  padding:11px 14px;font-size:13px;color:var(--text-main);transition:.15s;
}
.ai-suggestion-btn:hover{background:var(--blue-light);border-color:var(--blue);}

.ai-chat-log{display:flex;flex-direction:column;gap:14px;margin-top:10px;}
.chat-msg{display:flex;gap:10px;max-width:100%;}
.chat-msg.user{flex-direction:row-reverse;}
.chat-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;object-fit:cover;}
.chat-avatar.user-avatar{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;}
.chat-bubble{background:var(--bg);border-radius:12px;padding:10px 13px;font-size:13px;line-height:1.6;max-width:85%;}
.chat-msg.user .chat-bubble{background:var(--navy);color:#fff;}
.chat-bubble .ref-list{margin-top:8px;display:flex;flex-direction:column;gap:5px;}
.chat-bubble .ref-item{
  font-size:11.5px;background:#fff;border:1px solid var(--border);border-radius:7px;padding:6px 9px;
  display:flex;align-items:center;gap:6px;cursor:pointer;color:var(--blue);font-weight:600;
}
.chat-msg.user .chat-bubble .ref-item{color:var(--blue);background:#fff;}

.ai-panel-input{display:flex;gap:8px;padding:14px 16px;border-top:1px solid var(--border);}
.ai-panel-input input{
  flex:1;border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:13px;outline:none;
}
.ai-panel-input input:focus{border-color:var(--blue);}
.ai-panel-input button{
  width:40px;height:40px;border-radius:10px;border:none;background:var(--navy);color:#fff;font-size:14px;flex-shrink:0;
}

.ai-reopen-btn{
  display:none;position:fixed;bottom:24px;right:24px;width:52px;height:52px;border-radius:50%;
  background:var(--navy);color:#fff;border:none;font-size:20px;box-shadow:0 6px 18px rgba(0,0,0,.2);z-index:50;
}

/* ==================== モーダル ==================== */
.modal-overlay{
  position:fixed;inset:0;background:rgba(15,20,35,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;
}
.modal-box{background:#fff;border-radius:16px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.25);}
.modal-head{display:flex;align-items:center;padding:18px 22px;border-bottom:1px solid var(--border);}
.modal-head h3{font-size:16px;font-weight:700;margin:0;display:flex;align-items:center;gap:8px;}
.modal-close{margin-left:auto;background:none;border:none;color:var(--text-sub);font-size:15px;}
.modal-form{padding:20px 22px;display:flex;flex-direction:column;gap:14px;}
.modal-form label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;font-weight:600;color:var(--text-sub);}
.modal-form input,.modal-form select,.modal-form textarea{
  border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-size:13.5px;color:var(--text-main);outline:none;font-weight:500;resize:vertical;
}
.modal-form input:focus,.modal-form select:focus,.modal-form textarea:focus{border-color:var(--blue);}
.checkbox-row{flex-direction:row !important;align-items:center;gap:8px !important;}
.checkbox-row input{width:auto;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px;}

.modal-detail-body{padding:20px 22px;}
.detail-meta{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap;}
.detail-desc{font-size:14px;line-height:1.8;white-space:pre-wrap;color:var(--text-main);}
.video-embed-wrap{position:relative;width:100%;padding-top:56.25%;border-radius:10px;overflow:hidden;background:#000;margin-bottom:4px;}
.video-embed-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

/* ==================== レスポンシブ ==================== */
@media (max-width:1180px){
  .app-shell{grid-template-columns:220px 1fr;}
  .ai-panel{display:none;position:fixed;right:0;top:0;width:340px;z-index:80;box-shadow:-8px 0 24px rgba(0,0,0,.15);}
  .ai-panel.open{display:flex;}
  .ai-reopen-btn{display:flex;align-items:center;justify-content:center;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .dashboard-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .app-shell{grid-template-columns:1fr;}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:90;transform:translateX(-100%);transition:.2s;width:220px;}
  .sidebar.open{transform:translateX(0);}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .ai-panel{width:100%;}
}