/* ============================================================
 *  tsukiban — スタイル
 * ============================================================ */
:root{
  --bg:#f4f6fa; --panel:#fff; --line:#dfe4ec; --line2:#eef1f6;
  --ink:#1b2431; --muted:#6b7684; --brand:#2f6fb5; --brand-dk:#245a95;
  --sun:#fdeef2; --sat:#eef4fb; --today:#fff8e1;
  --ok:#0f8a52; --warn:#b8760a; --err:#c8342c;
  --warn-bg:#fff6e6; --err-bg:#fdeceb; --ok-bg:#e9f6ef;
  --shadow:0 1px 2px rgba(20,30,50,.06), 0 6px 20px rgba(20,30,50,.06);
  --r:10px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#12161d; --panel:#1a1f28; --line:#2c333f; --line2:#232935;
    --ink:#e7ebf1; --muted:#98a3b3; --brand:#5c9be0; --brand-dk:#78b0ee;
    --sun:#2c2027; --sat:#1c2530; --today:#2e2a1c;
    --warn-bg:#2e2617; --err-bg:#301d1c; --ok-bg:#152a20;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic UI",Meiryo,system-ui,sans-serif;
  font-size:14px; line-height:1.55; -webkit-text-size-adjust:100%;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}

/* ---------- 起動中 ---------- */
.booting{display:grid;place-items:center;min-height:100dvh}
.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 共通パーツ ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 15px;border:1px solid var(--line);border-radius:8px;
  background:var(--panel);cursor:pointer;font-weight:600;white-space:nowrap;
  transition:background .12s,border-color .12s,transform .06s;
}
.btn:hover{border-color:var(--brand)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dk)}
.btn.danger{color:var(--err);border-color:#e6b6b2}
.btn.ghost{background:transparent;border-color:transparent}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.block{width:100%}

input[type=text],input[type=password],input[type=email],input[type=number],input[type=date],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;
  background:var(--panel);outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,181,.18)}
label.field{display:block;margin-bottom:12px}
label.field>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;font-weight:600}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid transparent}
.pill.draft{background:var(--line2);color:var(--muted)}
.pill.submitted{background:var(--warn-bg);color:var(--warn);border-color:#e8c98a}
.pill.approved{background:var(--ok-bg);color:var(--ok);border-color:#9fd4ba}
.pill.rejected{background:var(--err-bg);color:var(--err);border-color:#e6b6b2}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* ---------- レイアウト ---------- */
header.top{
  position:sticky;top:0;z-index:40;background:var(--panel);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:9px 16px;
  padding-top:calc(9px + env(safe-area-inset-top));
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.02em}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:14px}
nav.tabs{display:flex;gap:2px;margin-left:8px;overflow-x:auto;scrollbar-width:none}
nav.tabs::-webkit-scrollbar{display:none}
nav.tabs button{
  border:0;background:transparent;padding:8px 13px;border-radius:8px;cursor:pointer;
  font-weight:600;color:var(--muted);white-space:nowrap;position:relative;
}
nav.tabs button:hover{background:var(--line2)}
nav.tabs button.on{color:var(--brand);background:var(--line2)}
nav.tabs .badge{
  position:absolute;top:2px;right:2px;min-width:16px;height:16px;padding:0 4px;
  background:var(--err);color:#fff;border-radius:8px;font-size:10.5px;line-height:16px;font-weight:700;
}
.top .right{margin-left:auto;display:flex;align-items:center;gap:10px}
.who{text-align:right;line-height:1.25}
.who b{display:block;font-size:13px}
.who small{color:var(--muted);font-size:11.5px}

main{padding:16px;max-width:1440px;margin:0 auto;padding-bottom:calc(24px + env(safe-area-inset-bottom))}

/* ---------- 月次画面 ---------- */
.month-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
@media (max-width:1100px){.month-layout{grid-template-columns:minmax(0,1fr)}}

.monthbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.monthbar .ym{font-size:20px;font-weight:800;min-width:118px;text-align:center;font-variant-numeric:tabular-nums}
.monthbar .grow{flex:1}
.nav-btn{width:36px;height:36px;padding:0;font-size:17px}

/* --- 勤怠グリッド --- */
.grid{overflow:hidden}
.ghead,.grow{
  display:grid;
  grid-template-columns:64px 74px 92px 12px 92px 68px 68px 62px minmax(150px,1fr);
  align-items:center;gap:6px;padding:5px 10px;
}
.ghead{
  position:sticky;top:52px;z-index:20;background:var(--panel);
  border-bottom:1px solid var(--line);font-size:11.5px;color:var(--muted);
  font-weight:700;text-align:center;padding-top:8px;padding-bottom:8px;
}
.ghead .l{text-align:left}
.grow{border-bottom:1px solid var(--line2);min-height:44px;position:relative}
.grow:last-child{border-bottom:0}
.grow.sun{background:var(--sun)}
.grow.sat,.grow.hol{background:var(--sat)}
.grow.today{box-shadow:inset 3px 0 0 var(--brand)}
.grow.prev{opacity:.62}
.grow.err{background:var(--err-bg)}

.gday{display:flex;align-items:baseline;gap:5px;font-weight:700;justify-content:flex-end}
.gday .d{font-size:16px;font-variant-numeric:tabular-nums}
.gday .w{font-size:11.5px;color:var(--muted)}
.grow.sun .gday .w{color:#c8467a}
.grow.sat .gday .w,.grow.hol .gday .w{color:#2f6fb5}
.tilde{text-align:center;color:var(--muted)}
.gnum{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;padding-right:4px}
.gnum.zero{color:var(--muted);opacity:.4}
.gnum.ot{color:var(--warn)}
.grow select,.grow input{padding:6px 7px;border-radius:7px;font-size:13.5px}
.grow select.wt{font-weight:600}
.grow .note{background:transparent;border-color:transparent}
.grow .note:hover{border-color:var(--line)}
.grow .note:focus{background:var(--panel);border-color:var(--brand)}
.grow .badge-err{
  position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--err);
}

/* --- モバイル: カード表示 --- */
@media (max-width:760px){
  main{padding:10px}
  .ghead{display:none}
  .grid{background:transparent;border:0;box-shadow:none}
  .grow{
    grid-template-columns:52px 1fr 1fr;
    grid-template-areas:"day wt wt" "day st ed" "day note note" "day sum sum";
    gap:6px 8px;background:var(--panel);border:1px solid var(--line);
    border-radius:var(--r);margin-bottom:8px;padding:10px;box-shadow:var(--shadow);
  }
  .grow.sun{background:var(--sun)} .grow.sat,.grow.hol{background:var(--sat)}
  .gday{grid-area:day;flex-direction:column;align-items:center;justify-content:flex-start;gap:0}
  .g-wt{grid-area:wt} .g-st{grid-area:st} .g-ed{grid-area:ed} .g-note{grid-area:note}
  .tilde{display:none}
  .g-sum{grid-area:sum;display:flex;gap:12px;font-size:12.5px;color:var(--muted);justify-content:flex-end}
  .g-sum b{color:var(--ink);font-variant-numeric:tabular-nums}
  .grow select,.grow input{padding:9px}
  .grow .note{border-color:var(--line);background:var(--panel)}
  .grow .gnum{display:none}
}
@media (min-width:761px){ .g-sum{display:none} }

/* --- サマリーパネル --- */
.side{position:sticky;top:68px;display:grid;gap:12px}
@media (max-width:1100px){.side{position:static}}
.panel{padding:14px}
.panel h3{margin:0 0 10px;font-size:13px;letter-spacing:.04em;color:var(--muted);text-transform:uppercase}
.kv{display:flex;justify-content:space-between;align-items:baseline;padding:5px 0;border-bottom:1px dashed var(--line2)}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted);font-size:13px}
.kv b{font-size:15px;font-variant-numeric:tabular-nums}
.kv b.big{font-size:19px}
.kv b.warn{color:var(--warn)} .kv b.err{color:var(--err)}

.gauge{margin:8px 0 4px}
.gauge .lbl{display:flex;justify-content:space-between;font-size:12px;margin-bottom:4px}
.gauge .bar{height:8px;background:var(--line2);border-radius:99px;overflow:hidden}
.gauge .fill{height:100%;background:var(--ok);border-radius:99px;transition:width .25s}
.gauge .fill.warn{background:var(--warn)} .gauge .fill.err{background:var(--err)}

.alerts{display:grid;gap:6px}
.alert{padding:8px 10px;border-radius:8px;font-size:12.5px;border:1px solid}
.alert.error{background:var(--err-bg);border-color:#e6b6b2;color:var(--err)}
.alert.warn{background:var(--warn-bg);border-color:#e8c98a;color:var(--warn)}
.alert.info{background:var(--line2);border-color:var(--line);color:var(--muted)}
.alert .loc{font-weight:700;margin-right:6px}
.alert.clickable{cursor:pointer}
.alert.clickable:hover{filter:brightness(.97)}

/* ---------- 表 ---------- */
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
table.tbl th,table.tbl td{padding:9px 10px;border-bottom:1px solid var(--line2);text-align:left}
table.tbl th{font-size:12px;color:var(--muted);font-weight:700;white-space:nowrap;background:var(--panel);position:sticky;top:52px}
table.tbl td.n,table.tbl th.n{text-align:right;font-variant-numeric:tabular-nums}
table.tbl tr:hover td{background:var(--line2)}
.scroll-x{overflow-x:auto}

/* ---------- ログイン / モーダル ---------- */
.auth-wrap{min-height:100dvh;display:grid;place-items:center;padding:20px}
.auth{width:100%;max-width:380px;padding:26px}
.auth h1{margin:0 0 4px;font-size:22px;display:flex;align-items:center;gap:9px}
.auth p.sub{margin:0 0 20px;color:var(--muted);font-size:13px}

.modal-bg{position:fixed;inset:0;background:rgba(12,18,28,.5);display:grid;place-items:center;z-index:100;padding:16px}
.modal{width:100%;max-width:460px;padding:20px;max-height:86dvh;overflow:auto}
.modal h2{margin:0 0 14px;font-size:17px}
.modal .actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);
  background:#1b2431;color:#fff;padding:10px 18px;border-radius:999px;
  font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:.2s;z-index:200;
  box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:90vw;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--err)}
.toast.ok{background:var(--ok)}

.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.row-flex{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.saveflag{font-size:12px;color:var(--muted);min-width:74px}
.saveflag.saving{color:var(--warn)}
.saveflag.saved{color:var(--ok)}
h2.sec{font-size:16px;margin:0 0 10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:600px){.grid2{grid-template-columns:1fr}}