:root{
  --bg:#f4f6f9; --panel:#fff; --ink:#1f2933; --muted:#6b7280; --line:#e3e8ef;
  --primary:#2563eb; --danger:#dc2626; --ok:#16a34a;
  --q1:#fde2e1; --q2:#e3f0ff; --q3:#fff4d6; --q4:#eef1f4;
  --st-todo:#eaf2ff; --st-doing:#fff7d6; --st-done:#e9ecef;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* topbar */
.topbar{display:flex;align-items:center;gap:20px;background:var(--panel);
  padding:10px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{font-weight:700;font-size:16px}
.topbar nav{display:flex;gap:16px;flex:1}
.userbox{display:flex;align-items:center;gap:12px}
.uname{font-weight:600}
.badge{background:var(--primary);color:#fff;border-radius:10px;padding:1px 8px;font-size:11px}
.muted{color:var(--muted);font-size:13px}

.container{max-width:1200px;margin:0 auto;padding:18px 20px}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
h1{font-size:20px;margin:0}
h2{font-size:15px;margin:0 0 10px}

/* buttons */
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:7px 14px;border-radius:6px;cursor:pointer;font-size:14px}
.btn:hover{background:#f0f3f8;text-decoration:none}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.small{padding:3px 9px;font-size:12px}
.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn.danger:hover{background:#b91c1c}
.delete-form{margin-top:14px;max-width:760px;text-align:right}

/* 削除確認画面 */
.confirm-card{max-width:560px}
.confirm-msg{margin:0 0 14px}
.confirm-table{width:100%;border-collapse:collapse;margin-bottom:18px}
.confirm-table th,.confirm-table td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left}
.confirm-table th{width:90px;color:var(--muted);font-weight:600;background:#f7f9fc}
.confirm-actions{display:flex;gap:10px;align-items:center}
.confirm-actions form{margin:0}

/* flash */
.flash{margin-bottom:14px}
.flash-item{background:#fffbe6;border:1px solid #ffe58f;color:#7a5b00;
  padding:8px 12px;border-radius:6px;margin-bottom:6px}

/* auth */
.auth-card{max-width:360px;margin:8vh auto;background:var(--panel);padding:28px;
  border-radius:10px;border:1px solid var(--line)}
.auth-card h1{text-align:center;margin-bottom:18px}
.auth-card label,.taskform label,.history{display:block;margin-bottom:14px}
input,select,textarea{width:100%;padding:8px;border:1px solid var(--line);
  border-radius:6px;font-size:14px;font-family:inherit;margin-top:4px;background:#fff}
.auth-card button{width:100%;margin-top:6px}

/* filter */
.filterbar{display:flex;align-items:center;gap:16px;margin-bottom:12px}
.filterbar select{width:auto;display:inline-block}
.hint{color:var(--muted);font-size:12px}
.req{color:var(--danger);font-size:11px;font-weight:700;margin-left:4px}
.opt{color:var(--muted);font-size:11px;margin-left:4px}

/* tables */
.tasktable{width:100%;border-collapse:collapse;background:var(--panel);
  border:1px solid var(--line);border-radius:8px;overflow:hidden}
.tasktable th,.tasktable td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.tasktable th{background:#f7f9fc;font-size:12px;color:var(--muted)}
.tasktable td.content{max-width:380px}
.col-handle{width:24px;text-align:center}
.drag{cursor:grab;color:#9aa5b1;user-select:none}
.tasktable select{width:auto;padding:4px 6px;margin:0}
tr.status-完了{color:#9aa5b1}
tr.status-完了 .content a{color:#9aa5b1}
tr.overdue .due.overdue-text{color:var(--danger);font-weight:700}
.sortable-ghost{opacity:.4}
.empty{color:var(--muted)}
tr.inactive{opacity:.5}
.rowops{display:flex;gap:6px}
.rowops form{margin:0}

/* quadrant badge */
.qbadge{display:inline-block;border-radius:4px;padding:1px 6px;font-size:11px;font-weight:700}
.qbadge.q1{background:#f8b4b1}.qbadge.q2{background:#bcd9ff}
.qbadge.q3{background:#ffe49b}.qbadge.q4{background:#dfe3e8}

/* form */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.taskform{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;max-width:760px}
.form-actions{margin-top:6px}
.memo-preview{max-width:760px;margin:-6px 0 16px;border:1px solid var(--line);
  border-radius:6px;background:#f8fafc}
.memo-preview-label{font-size:11px;color:var(--muted);padding:6px 10px;
  border-bottom:1px solid var(--line)}
.memo-preview-body{padding:10px;white-space:normal;word-break:break-word;line-height:1.6}
.memo-preview-body a{color:var(--primary)}
.history{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;margin-top:18px;max-width:760px}
.histtable{width:100%;border-collapse:collapse;font-size:13px}
.histtable th,.histtable td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left}

/* dashboard summary */
.summary{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}
.summary-title{font-weight:700;margin-bottom:12px}
.summary-body{display:flex;align-items:center;gap:20px}
.donut-wrap{position:relative;width:120px;height:120px;flex:none}
.donut-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:700}
.donut-center span{font-size:14px;margin-left:1px}
.summary-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{text-align:center;min-width:54px}
.stat .num{font-size:22px;font-weight:700}
.stat .lbl{font-size:11px;color:var(--muted)}
.stat.big .num{font-size:30px}
.stat.huge .num{font-size:46px;line-height:1}
.stat.danger .num{color:var(--danger)}
.q1-card{border-color:#f3c0bd}
.q1-body{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.q1-sub{display:flex;gap:20px}
.alert{background:#fdecea;color:var(--danger);border:1px solid #f5c2c0;
  padding:6px 10px;border-radius:6px;font-weight:600;width:100%}
.ok{background:#e8f6ee;color:var(--ok);border:1px solid #c2e6cf;
  padding:6px 10px;border-radius:6px;width:100%}

/* dashboard: 全幅 */
.container-wide{max-width:100%;margin:0;padding:14px 22px}
.dash-head{justify-content:space-between;align-items:center;gap:14px}
.scope-toggle{display:flex;gap:6px;flex:none;align-items:center}
.scope-toggle select{width:auto;margin:0}

/* matrix 2x2（大きく・カンバン） */
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.quad{border-radius:12px;border:1px solid var(--line);padding:12px 14px;
  display:flex;flex-direction:column;min-height:46vh}
.quad.q1{background:var(--q1)}.quad.q2{background:var(--q2)}
.quad.q3{background:var(--q3)}.quad.q4{background:var(--q4)}
.quad-head{display:flex;align-items:baseline;gap:10px;margin-bottom:6px;
  padding-bottom:8px;border-bottom:2px solid rgba(0,0,0,.10)}
.qtitle{font-weight:700;font-size:17px}
.qsub{font-size:12px;color:#555;flex:1}
.qcount{font-weight:700;background:#fff;border-radius:12px;padding:1px 12px;font-size:15px}

.quad-list{list-style:none;margin:0;padding:0;overflow-y:auto;
  max-height:calc(46vh - 70px);flex:1}

/* 1行=1タスク（列表示） */
.qrow{display:grid;grid-template-columns:58px 1fr 100px 104px 74px;
  gap:10px;align-items:center;padding:6px 10px;font-size:14px;
  background:rgba(255,255,255,.8);border-radius:6px;margin-bottom:5px}
.qrow.qhead-row{background:transparent;color:#555;font-size:11px;font-weight:700;
  padding:2px 10px;margin-bottom:4px}
.qrow .c-content{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
a.c-content{color:var(--ink);text-decoration:none}
a.c-content:hover{color:var(--primary);text-decoration:underline}
.qrow .c-assignee{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#444}
.qrow .c-due{white-space:nowrap;font-variant-numeric:tabular-nums}
.qrow.overdue{box-shadow:inset 4px 0 0 var(--danger)}
.qrow .c-due.overdue-text{color:var(--danger);font-weight:700}
.qrow.status-完了{opacity:.6}
.qrow.status-完了 .c-content{text-decoration:line-through;color:#777}
.qrow.empty{display:block;text-align:center;color:#8a8a8a;background:transparent}

/* 種別バッジ */
.cat{display:inline-block;text-align:center;border-radius:4px;padding:1px 0;
  font-size:11px;font-weight:700;color:#fff}
.cat-開発{background:#2563eb}.cat-調査{background:#7c3aed}
.cat-修正{background:#d97706}.cat-見積{background:#0d9488}
.cat-作業{background:#059669}.cat-準備{background:#64748b}

/* ステータス pill */
.pill{display:inline-block;text-align:center;border-radius:10px;padding:1px 0;
  font-size:11px;font-weight:700}
.pill.todo{background:#dbeafe;color:#1e40af}
.pill.doing{background:#fef3c7;color:#92400e}
.pill.done{background:#e5e7eb;color:#4b5563}

/* ユーザー管理 */
.userform{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.userform input,.userform select{width:auto;margin:0}
.userform input[name=name]{min-width:120px}
.userform input[name=email]{min-width:200px}
.usertable td.edit-cell{padding:6px 8px}
.userrow-form{display:flex;gap:8px;align-items:center;margin:0}
.userrow-form input,.userrow-form select{width:auto;margin:0}
.userrow-form input[name=name]{min-width:120px}
.userrow-form input[name=email]{flex:1;min-width:200px}
.pw-cell code{font-family:Consolas,"Courier New",monospace;background:#f1f5f9;
  border:1px solid var(--line);border-radius:4px;padding:1px 6px;user-select:all}

/* 意見箱 */
.opinion-post{margin-bottom:14px}
.opinion-post textarea{width:100%}
.post-actions{margin-top:8px;text-align:right}
.filterbar .spacer{flex:1}
.filterbar a.btn{text-decoration:none}
.opinion-list{display:flex;flex-direction:column;gap:10px}
.opinion{padding:12px 14px}
.opinion-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.opinion-head .who{font-weight:700}
.opinion-head .when{color:var(--muted);font-size:12px}
.opinion-head .badges{margin-left:auto;display:flex;gap:6px}
.opinion-body{white-space:pre-wrap;word-break:break-word;line-height:1.6}
.opinion-body a{color:var(--primary)}
.opinion-note{margin-top:8px;background:#f8fafc;border:1px solid var(--line);
  border-radius:6px;padding:6px 10px;font-size:13px;color:#444}
.opinion-foot{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px;
  padding-top:8px;border-top:1px solid var(--line)}
.opinion-foot form{margin:0}
.vote-form .voted{background:#dbeafe;border-color:#93c5fd;color:#1e40af}
.admin-form{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-left:auto}
.admin-form select,.admin-form input{width:auto;margin:0}
.admin-form input[name=admin_note]{min-width:200px}
/* 採否バッジ */
.dpill{display:inline-block;border-radius:10px;padding:1px 10px;font-size:11px;font-weight:700}
.dpill.d-未判定{background:#e5e7eb;color:#4b5563}
.dpill.d-採用{background:#dcfce7;color:#166534}
.dpill.d-不採用{background:#fee2e2;color:#991b1b}
.pill.hold{background:#fde68a;color:#92400e}
.opinion.decision-採用{border-left:4px solid #16a34a}
.opinion.decision-不採用{opacity:.7}

@media(max-width:900px){
  .summary,.matrix,.grid2{grid-template-columns:1fr}
  .quad{min-height:340px}
  .quad-list{max-height:300px}
  .admin-form{margin-left:0}
}