/* ============================================================
   Project Studio — UI（AND Toolsと統一トーン）
   ============================================================ */
:root {
  --ui-bg:#f6f7f9; --ui-panel:#fff; --ui-border:#e4e7ec; --ui-border-strong:#d0d5dd;
  --ui-ink:#1d2330; --ui-ink-soft:#667085; --ui-accent:#4f46e5; --ui-accent-soft:#eef2ff;
  --ui-danger:#e5484d; --ui-radius:10px;
  --ui-shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.10);
  --topbar-h:56px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Hiragino Sans","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;background:var(--ui-bg);color:var(--ui-ink);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer}
.ico{width:16px;height:16px;flex:none}

/* ---------- トップバー（共通言語） ---------- */
.topbar{height:var(--topbar-h);display:flex;align-items:center;gap:12px;padding:0 14px;background:var(--ui-panel);border-bottom:1px solid var(--ui-border);position:sticky;top:0;z-index:30}
.home-link{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--ui-ink-soft)}
.home-link:hover{background:#f3f4f7;color:var(--ui-ink)}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14px}
.brand__mark{width:24px;height:24px;border-radius:6px;background:var(--ui-accent);color:#fff;display:grid;place-items:center;font-size:13px}
.topbar__divider{width:1px;height:22px;background:var(--ui-border)}
.topbar__spacer{flex:1}
.proj-name{font-size:14px;font-weight:600;border:1px solid transparent;background:transparent;padding:5px 8px;border-radius:7px;min-width:120px;max-width:300px;color:var(--ui-ink)}
.proj-name:hover{background:#f3f4f7}
.proj-name:focus{outline:none;background:#fff;border-color:var(--ui-accent)}
.tabs{display:flex;gap:2px;background:#eef0f3;padding:3px;border-radius:9px}
.tab{height:30px;padding:0 14px;border:0;background:transparent;border-radius:7px;font-size:13px;font-weight:600;color:var(--ui-ink-soft)}
.tab.is-active{background:#fff;color:var(--ui-ink);box-shadow:var(--ui-shadow)}
.save-state{font-size:12px;color:var(--ui-ink-soft);min-width:70px}
.save-state.is-saved::before{content:"● ";color:#12b76a}
.save-state.is-dirty::before{content:"● ";color:#f79009}
.history-btns{display:flex;gap:2px}
.history-btns .icon-btn{width:30px;height:30px}
.history-btns .icon-btn:disabled{opacity:.3;pointer-events:none}

.btn{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:8px;border:1px solid var(--ui-border-strong);background:#fff;color:var(--ui-ink);font-size:13px;font-weight:600;white-space:nowrap}
.btn:hover{background:#f3f4f7}
.btn--primary{background:var(--ui-accent);border-color:var(--ui-accent);color:#fff}
.btn--primary:hover{background:#4338ca}
.btn--sm{height:30px;padding:0 10px;font-size:12px}
.icon-btn{width:26px;height:26px;border:0;background:transparent;border-radius:6px;display:grid;place-items:center;color:var(--ui-ink-soft)}
.icon-btn:hover{background:rgba(0,0,0,.06);color:var(--ui-ink)}
.icon-btn--danger:hover{background:#fde7e7;color:var(--ui-danger)}

.menu{position:relative}
.menu__pop{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid var(--ui-border);border-radius:10px;box-shadow:0 12px 32px rgba(16,24,40,.16);padding:6px;min-width:190px;display:none;z-index:40}
.menu.is-open .menu__pop{display:block}
.menu__item{display:flex;align-items:center;gap:9px;width:100%;border:0;background:transparent;padding:9px 10px;border-radius:7px;font-size:13px;font-weight:500;color:var(--ui-ink);text-align:left}
.menu__item:hover{background:#f3f4f7}
.menu__sep{height:1px;background:var(--ui-border);margin:6px 4px}

.view{height:calc(100vh - var(--topbar-h));overflow:auto}
.view.is-hidden{display:none !important}

/* ---------- カンバン ---------- */
.board{display:grid;grid-template-columns:repeat(4,minmax(250px,1fr));gap:14px;padding:18px;align-items:start;min-width:1060px}
.col{background:#eef0f3;border-radius:12px;display:flex;flex-direction:column;max-height:calc(100vh - var(--topbar-h) - 36px)}
.col__head{display:flex;align-items:center;gap:8px;padding:11px 12px 7px;font-size:13px;font-weight:700}
.col__count{font-size:11px;color:var(--ui-ink-soft);background:#fff;border-radius:999px;padding:1px 8px}
.col__add{margin-left:auto;width:24px;height:24px;border:0;border-radius:6px;background:transparent;color:var(--ui-ink-soft);font-size:16px}
.col__add:hover{background:#fff;color:var(--ui-accent)}
.col__list{flex:1;overflow-y:auto;padding:4px 8px 10px;display:flex;flex-direction:column;gap:8px;min-height:30px}

.tcard{background:#fff;border:1px solid var(--ui-border);border-radius:10px;box-shadow:var(--ui-shadow);padding:10px 12px;cursor:pointer}
.tcard:hover{border-color:var(--ui-accent)}
.tcard.sortable-ghost{opacity:.4}
.tcard.sortable-chosen{box-shadow:0 8px 24px rgba(79,70,229,.22)}
.tcard__title{font-size:13px;font-weight:600;line-height:1.45;display:flex;gap:6px;align-items:flex-start}
.pr-dot{width:8px;height:8px;border-radius:50%;flex:none;margin-top:5px}
.pr-high .pr-dot,.pr-dot.pr-high{background:#e5484d}
.pr-mid .pr-dot,.pr-dot.pr-mid{background:#f79009}
.pr-low .pr-dot,.pr-dot.pr-low{background:#98a2b3}
.tcard__meta{display:flex;align-items:center;gap:6px;margin-top:7px;flex-wrap:wrap}
.chip{font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--ui-accent-soft);color:var(--ui-accent)}
.chip--assignee{background:#f0f1f4;color:var(--ui-ink-soft)}
.chip--due{background:#f0f1f4;color:var(--ui-ink-soft)}
.chip--due.is-over{background:#fde7e7;color:var(--ui-danger)}
.chip--cmt{background:transparent;color:var(--ui-ink-soft);padding:2px 2px}
.tcard--done .tcard__title{color:var(--ui-ink-soft);text-decoration:line-through}

/* ---------- カレンダー ---------- */
.cal-wrap{max-width:1180px;margin:0 auto;padding:20px 22px 60px}
.cal-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.cal-head h2{font-size:17px;margin:0;min-width:120px;text-align:center}
.cal-hint{margin-left:auto;font-size:12px;color:var(--ui-ink-soft)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);border:1px solid var(--ui-border);border-radius:12px;overflow:hidden;background:var(--ui-border);gap:1px}
.cal-dow{background:#fafbfc;padding:7px 8px;font-size:11px;font-weight:700;color:var(--ui-ink-soft);text-align:center}
.cal-cell{background:#fff;min-height:108px;padding:6px;display:flex;flex-direction:column;gap:4px}
.cal-cell.is-out{background:#fafbfc}
.cal-cell.is-out .cal-date{color:#c4c9d1}
.cal-cell.is-today .cal-date{background:var(--ui-accent);color:#fff}
.cal-cell.is-weekend{background:#fcfcfd}
.cal-date{font-size:11px;font-weight:700;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;color:var(--ui-ink-soft)}
.cal-task{font-size:11px;font-weight:600;padding:3px 7px;border-radius:6px;background:var(--ui-accent-soft);color:var(--ui-accent);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-left:3px solid var(--ui-accent)}
.cal-task:hover{filter:brightness(.96)}
.cal-task.is-done{background:#f0f1f4;color:var(--ui-ink-soft);border-left-color:#c4c9d1;text-decoration:line-through}
.cal-task.is-over{background:#fde7e7;color:var(--ui-danger);border-left-color:var(--ui-danger)}
.cal-more{font-size:10px;color:var(--ui-ink-soft);padding-left:4px}

/* ---------- ガント（div構成・日/週） ---------- */
.gantt-wrap{padding:18px}
.g-bar2{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.g-modes{display:flex;gap:2px;background:#eef0f3;border-radius:8px;padding:3px}
.g-mode{height:26px;padding:0 12px;border:0;background:transparent;border-radius:6px;font-size:12px;font-weight:700;color:var(--ui-ink-soft)}
.g-mode.on{background:#fff;color:var(--ui-ink);box-shadow:var(--ui-shadow)}
.g-legend{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px}
.g-leg{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ui-ink)}
.g-leg i{width:12px;height:12px;border-radius:3px;display:inline-block}
.g-leg-hint{font-size:11px;color:var(--ui-ink-soft)}
.g-bar2 #ganttPdf{margin-left:auto}

.gantt{background:#fff;border:1px solid var(--ui-border);border-radius:12px;overflow:auto;max-height:calc(100vh - var(--topbar-h) - 84px)}
.g-inner{display:inline-block;min-width:100%}
.g-side{width:240px;min-width:240px;flex:none;position:sticky;left:0;background:#fff;z-index:3;border-right:1px solid var(--ui-border-strong)}

.g-head{display:flex;position:sticky;top:0;z-index:6;background:#fff;border-bottom:1px solid var(--ui-border-strong)}
.g-corner{position:sticky;left:0;z-index:7;background:#fafbfc}
.g-htrack{display:flex;flex-direction:column}
.g-hmonths{display:flex;height:20px}
.g-hm{font-size:10px;font-weight:700;color:var(--ui-ink-soft);border-left:1px solid var(--ui-border);padding:2px 4px;white-space:nowrap;overflow:hidden}
.g-hsub{display:flex;height:34px}
.g-hd{flex:none;text-align:center;font-size:10px;color:var(--ui-ink-soft);border-left:1px solid #f0f1f4;display:flex;align-items:center;justify-content:center}
.g-hd.wknd{background:#f3f4f7}
.g-hd.holi{background:#fdeaea;color:var(--ui-danger)}
.g-hd.today{background:var(--ui-accent-soft);color:var(--ui-accent);font-weight:700}
.g-hw{flex:none;border-left:1px solid var(--ui-border);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.2}
.g-hw b{font-size:10px}.g-hw small{font-size:9px;color:var(--ui-ink-soft)}
.g-hw.today{background:var(--ui-accent-soft)}.g-hw.today b{color:var(--ui-accent)}

.g-body{}
.g-prow{display:flex}
.g-pname{font-size:11px;font-weight:700;color:var(--ui-ink-soft);background:#f3f4f7;padding:5px 10px}
.g-ptrack{background:#f3f4f7;border-bottom:1px solid var(--ui-border)}
.g-row{display:flex;border-bottom:1px solid var(--ui-border)}
.g-row:hover .g-track{background:#fcfcff}
.g-task{font-size:12px;padding:7px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;display:flex;align-items:center}
.g-task:hover{color:var(--ui-accent)}
.g-task__dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px;flex:none}
.g-track{position:relative;display:flex;height:34px}
.g-cell{flex:none;height:34px;border-left:1px solid #f3f4f6}
.g-cell.wknd{background:#fafbfc}
.g-cell.holi{background:#fdf3f3}
.g-cell.today{background:var(--ui-accent-soft)}
.g-cell--wk{border-left:1px solid var(--ui-border)}

.g-bar{position:absolute;top:8px;height:18px;border-radius:5px;z-index:1;display:flex;align-items:center;color:#fff;cursor:grab;user-select:none;min-width:8px;box-shadow:0 1px 2px rgba(16,24,40,.2)}
.g-bar.is-done{background:#98a2b3 !important}
.g-bar:active{cursor:grabbing}
.g-bar__txt{flex:1;font-size:10px;font-weight:700;padding:0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}
.g-bar__h{width:7px;align-self:stretch;cursor:ew-resize;flex:none;border-radius:5px}
.g-bar__h:hover{background:rgba(255,255,255,.4)}
.g-empty{padding:50px;text-align:center;color:var(--ui-ink-soft);font-size:13px}

/* ---------- モーダル・トースト ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(16,24,40,.45);display:none;align-items:center;justify-content:center;z-index:100}
.modal-backdrop.is-open{display:flex}
.modal{background:#fff;border-radius:14px;width:min(560px,94vw);max-height:88vh;overflow:auto;box-shadow:0 20px 60px rgba(16,24,40,.3);padding:20px 22px}
.modal h2{margin:0 0 14px;font-size:16px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.f-row{display:flex;flex-direction:column;gap:5px}
.f-row--full{grid-column:1/-1}
.f-row label{font-size:11px;font-weight:700;color:var(--ui-ink-soft)}
.f-row input,.f-row select,.f-row textarea{border:1px solid var(--ui-border-strong);border-radius:8px;padding:8px 10px;font-size:13px}
.f-row input:focus,.f-row select:focus,.f-row textarea:focus{outline:none;border-color:var(--ui-accent)}
.f-row textarea{min-height:70px;resize:vertical}
.f-title{font-size:15px;font-weight:700}
.modal__foot{display:flex;gap:8px;margin-top:16px;align-items:center}
.modal__foot .grow{flex:1}
.btn--danger{color:var(--ui-danger);border-color:#f3b9bb}
.btn--danger:hover{background:#fde7e7}

.cmt-list{margin-top:14px;border-top:1px solid var(--ui-border);padding-top:10px;display:flex;flex-direction:column;gap:8px;max-height:200px;overflow-y:auto}
.cmt{font-size:12px;background:#fafbfc;border:1px solid var(--ui-border);border-radius:8px;padding:8px 10px}
.cmt b{font-size:11px}
.cmt time{font-size:10px;color:var(--ui-ink-soft);margin-left:6px}
.cmt p{margin:3px 0 0;white-space:pre-wrap}
.cmt-form{display:flex;gap:6px;margin-top:8px}
.cmt-form input[name=author]{width:110px}
.cmt-form input{border:1px solid var(--ui-border-strong);border-radius:8px;padding:7px 9px;font-size:12px;flex:1}

.proj-list{display:flex;flex-direction:column;gap:8px}
.proj-row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--ui-border);border-radius:10px;cursor:pointer}
.proj-row:hover{border-color:var(--ui-accent)}
.proj-row__name{font-size:14px;font-weight:700;flex:1}
.proj-row__meta{font-size:12px;color:var(--ui-ink-soft)}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ui-ink);color:#fff;padding:11px 18px;border-radius:10px;font-size:13px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:200}
.toast.is-show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============================================================
   担当者（メンバー）色分け・選択UI
   ============================================================ */
.mdot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:none}
.chip--member{display:inline-flex;align-items:center;gap:4px}

/* タスクモーダルの担当チップ */
.mpick{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.mchip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px;border:1px solid var(--ui-border-strong);background:#fff;border-radius:999px;font-size:12px;font-weight:600;color:var(--ui-ink)}
.mchip:hover{background:#f3f4f7}
.mchip.is-on{color:#fff}
.mchip--add{border-style:dashed;color:var(--ui-ink-soft)}
.mchip-add{display:inline-flex;gap:6px;align-items:center}
.mchip-add input{height:30px;border:1px solid var(--ui-accent);border-radius:8px;padding:0 9px;font-size:12px;width:130px}

/* 担当者管理モーダル */
.mlist{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.mrow{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--ui-border);border-radius:10px}
.mrow .mdot{width:14px;height:14px}
.mrow__name{font-size:13px;font-weight:700;min-width:96px;display:flex;align-items:center;gap:6px}
.mrow__lock{font-size:10px;font-weight:600;color:var(--ui-ink-soft);background:#f0f1f4;border-radius:999px;padding:1px 7px}
.mrow__sw{display:flex;gap:4px;flex-wrap:wrap;flex:1}
.sw{width:18px;height:18px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--ui-border-strong);cursor:pointer;padding:0}
.sw.on{box-shadow:0 0 0 2px var(--ui-ink)}
.madd{display:flex;gap:8px}
.madd input{flex:1;height:34px;border:1px solid var(--ui-border-strong);border-radius:8px;padding:0 10px;font-size:13px}


/* チェックトグル（ガント・カレンダー） */
.g-chk{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--ui-ink-soft);cursor:pointer;user-select:none}
.g-chk input{accent-color:var(--ui-accent);width:14px;height:14px}

/* スケジュール保存履歴 */
.snap-list{display:flex;flex-direction:column;gap:8px;max-height:50vh;overflow-y:auto}
.snap-row{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--ui-border);border-radius:10px}
.snap-row:hover{border-color:var(--ui-border-strong)}
.snap-row__main{flex:1;min-width:0}
.snap-row__name{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.snap-row__meta{font-size:11px;color:var(--ui-ink-soft);margin-top:2px}