/* AI秘書 — PWA スタイル（モバイル優先 / ライト・ダーク両対応） */

:root {
  --bg:        #f6f7f9;
  --surface:   #ffffff;
  --surface-2: #f0f2f5;
  --border:    #dfe3e8;
  --text:      #16202c;
  --text-dim:  #5c6b7a;
  --accent:    #2563eb;
  --accent-weak: #e8efff;
  --danger:    #dc2626;
  --danger-weak: #fdeaea;
  --warn:      #d97706;
  --warn-weak: #fdf1de;
  --ok:        #059669;
  --ok-weak:   #e4f5ef;
  --shadow:    0 1px 2px rgba(16,32,44,.06), 0 4px 14px rgba(16,32,44,.06);
  --radius:    14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0f172a;
    --surface:   #17203a;
    --surface-2: #1e2947;
    --border:    #2c3856;
    --text:      #e7ecf5;
    --text-dim:  #9aa8c0;
    --accent:    #6b9bff;
    --accent-weak: #1d2b4d;
    --danger:    #f87171;
    --danger-weak: #3a1f24;
    --warn:      #fbbf24;
    --warn-weak: #3a2f1a;
    --ok:        #34d399;
    --ok-weak:   #12332c;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.25);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
               "Yu Gothic UI", Meiryo, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

/* ---------- ヘッダ ---------- */

.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: .02em; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #9333ea);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 45%, transparent);
}
.brand-text { font-size: 16px; }

.topbar-right { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); border-radius: 10px;
  width: 34px; height: 34px; font-size: 17px; line-height: 1;
  cursor: pointer;
}
.icon-btn:active { transform: scale(.94); }
.icon-btn.spin { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.badge {
  font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  border: 1px solid transparent; white-space: nowrap;
}
.badge-muted  { background: var(--surface-2); color: var(--text-dim); border-color: var(--border); }
.badge-ok     { background: var(--ok-weak);     color: var(--ok);     border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.badge-warn   { background: var(--warn-weak);   color: var(--warn);   border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.badge-danger { background: var(--danger-weak); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.badge-accent { background: var(--accent-weak); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

/* ---------- バナー ---------- */

.banner {
  margin: 10px 16px 0; padding: 10px 14px;
  border-radius: 10px; font-size: 13px;
  background: var(--danger-weak); color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
}

/* ---------- タブ ---------- */

.tabs {
  position: sticky; top: calc(env(safe-area-inset-top) + 54px); z-index: 20;
  display: flex; gap: 4px; overflow-x: auto;
  padding: 8px 12px; background: var(--bg);
  border-bottom: 1px solid var(--border);
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: 0 0 auto;
  border: 1px solid transparent; background: transparent;
  color: var(--text-dim); font-size: 13.5px; font-weight: 600;
  padding: 7px 13px; border-radius: 999px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.tab.active { background: var(--surface); color: var(--text); border-color: var(--border); box-shadow: var(--shadow); }
.tab-count {
  min-width: 18px; padding: 0 5px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; border-radius: 999px;
  background: var(--danger); color: #fff;
}
.tab-count:empty { display: none; }

/* ---------- ビュー ---------- */

main { padding: 14px 16px calc(env(safe-area-inset-bottom) + 48px); max-width: 900px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.section-title {
  font-size: 13px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--text-dim);
  margin: 26px 0 10px;
}
.section-sub { text-transform: none; letter-spacing: 0; font-weight: 500; opacity: .8; }
.hint { font-size: 12.5px; color: var(--text-dim); margin: -4px 0 10px; }

/* ---------- 統計カード ---------- */

.stat-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
}
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 13px; box-shadow: var(--shadow);
  cursor: pointer;
}
.stat-num { font-size: 26px; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; }
.stat-label { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; }
.stat.is-danger .stat-num { color: var(--danger); }
.stat.is-warn   .stat-num { color: var(--warn); }
.stat.is-ok     .stat-num { color: var(--ok); }

/* ---------- リスト ---------- */

.list { display: flex; flex-direction: column; gap: 8px; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow);
}
.card.clickable { cursor: pointer; }
.card.clickable:active { transform: scale(.995); }
.card.is-overdue { border-left: 3px solid var(--danger); }
.card.is-today   { border-left: 3px solid var(--warn); }
.card.is-soon    { border-left: 3px solid var(--accent); }

.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.card-title { font-weight: 650; font-size: 14.5px; margin: 0; word-break: break-word; }
.card-meta { font-size: 12px; color: var(--text-dim); margin-top: 3px; word-break: break-word; }
.card-body { font-size: 13px; color: var(--text); margin-top: 7px; white-space: pre-wrap; word-break: break-word; }
.card-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.empty { color: var(--text-dim); font-size: 13px; padding: 16px; text-align: center;
         border: 1px dashed var(--border); border-radius: var(--radius); }

.imp { font-variant-numeric: tabular-nums; }

/* ---------- ボタン ---------- */

.btn {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: 9px; padding: 7px 13px; font-size: 13px; font-weight: 600;
  cursor: pointer; white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ok      { background: var(--ok-weak); border-color: color-mix(in srgb, var(--ok) 35%, transparent); color: var(--ok); }
.btn-danger  { background: var(--danger-weak); border-color: color-mix(in srgb, var(--danger) 35%, transparent); color: var(--danger); }

.row-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- フィルタ ---------- */

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.filters input[type="search"], .filters select, input[type="text"], input[type="date"], input[type="number"], textarea, select {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 7px 10px; font-size: 13px; font-family: inherit;
}
.filters input[type="search"] { flex: 1 1 180px; min-width: 140px; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-dim); }

/* ---------- 通知枠 ---------- */

.notice {
  padding: 11px 14px; border-radius: var(--radius); font-size: 13px;
  border: 1px solid var(--border); background: var(--surface-2); margin-bottom: 6px;
}
.notice.is-live { background: var(--danger-weak); color: var(--danger);
                  border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.notice.is-shadow { background: var(--ok-weak); color: var(--ok);
                    border-color: color-mix(in srgb, var(--ok) 35%, transparent); }

/* ---------- 健全性 ---------- */

.health { margin-top: 28px; font-size: 11.5px; color: var(--text-dim); line-height: 1.9; }
.health code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }

/* ---------- モーダル ---------- */

.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(8,12,22,.55);
  display: flex; align-items: flex-end; justify-content: center;
  padding: 0;
}
@media (min-width: 640px) { .modal { align-items: center; padding: 24px; } }

.modal-card {
  background: var(--surface); width: 100%; max-width: 680px;
  max-height: 88vh; overflow: auto;
  border-radius: 18px 18px 0 0; border: 1px solid var(--border);
  box-shadow: 0 -8px 40px rgba(0,0,0,.3);
}
@media (min-width: 640px) { .modal-card { border-radius: 18px; } }

.modal-head {
  position: sticky; top: 0; background: var(--surface);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { margin: 0; font-size: 15px; }
.modal-body { padding: 14px 16px calc(env(safe-area-inset-bottom) + 20px); }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; font-weight: 600; }
.field input, .field select, .field textarea { width: 100%; }
.field textarea { min-height: 110px; resize: vertical; line-height: 1.7; }

.mailbody {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; font-size: 12.5px; white-space: pre-wrap; word-break: break-word;
  max-height: 40vh; overflow: auto; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

a { color: var(--accent); }

/* ---------- トースト ---------- */

.toast {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 20px);
  transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 999px; font-size: 13px; font-weight: 600;
  z-index: 60; box-shadow: 0 6px 24px rgba(0,0,0,.3);
  max-width: 88vw; text-align: center;
}