/* ─────────────────────────────────────────────────────
   PostAI — ライトテーマ（SocialDog 風）
───────────────────────────────────────────────────── */
:root {
  --sidebar-w:    220px;
  --sidebar-bg:   #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-hover:#1e293b;
  --sidebar-act:  rgba(99,102,241,.18);
  --sidebar-act-t:#ffffff;
  --bg:           #f1f5f9;
  --bg-card:      #ffffff;
  --bg-hover:     #f8fafc;
  --border:       #e2e8f0;
  --border-dark:  #cbd5e1;
  --accent:       #4f46e5;
  --accent-h:     #4338ca;
  --accent-light: #eef2ff;
  --success:      #10b981;
  --success-bg:   #ecfdf5;
  --danger:       #ef4444;
  --danger-bg:    #fef2f2;
  --warning:      #f59e0b;
  --warning-bg:   #fffbeb;
  --blue:         #0ea5e9;
  --blue-bg:      #f0f9ff;
  --text:         #1e293b;
  --text-muted:   #64748b;
  --text-dim:     #94a3b8;
  --shadow:       0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:    0 4px 6px -1px rgba(0,0,0,.08);
  --radius:       12px;
  --radius-sm:    8px;
  --radius-xs:    6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, 'Helvetica Neue', 'Hiragino Sans', sans-serif;
  font-size: 15.5px;
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: .85; }

/* ──── Sidebar ──── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  position: fixed; top: 0; left: 0; bottom: 0;
  display: flex; flex-direction: column;
  z-index: 50; overflow-y: auto;
  flex-shrink: 0;
}
.sidebar-logo {
  padding: 1.25rem 1.1rem 1rem;
  display: flex; align-items: center; gap: .6rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.logo-icon  { font-size: 1.3rem; }
.logo-text  { font-size: .95rem; font-weight: 800; color: #fff; letter-spacing: -.01em; }
.logo-beta  { font-size: .65rem; background: rgba(99,102,241,.4); color: #c7d2fe; border-radius: 4px; padding: .05rem .35rem; margin-left: .2rem; }

.sidebar-section { padding: .75rem .8rem .25rem; }
.sidebar-section-label {
  font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: rgba(148,163,184,.5); padding: 0 .3rem; margin-bottom: .3rem;
}
.nav-item {
  display: flex; align-items: center; gap: .65rem;
  padding: .6rem .85rem; border-radius: var(--radius-xs);
  color: var(--sidebar-text); font-size: .95rem; font-weight: 500;
  cursor: pointer; transition: background .12s, color .12s;
  margin-bottom: 2px; text-decoration: none;
  white-space: nowrap; overflow: hidden;
}
.nav-item:hover  { background: var(--sidebar-hover); color: #e2e8f0; opacity: 1; }
.nav-item.active { background: var(--sidebar-act); color: var(--sidebar-act-t); font-weight: 600; }
.nav-icon   { font-size: 1rem; flex-shrink: 0; opacity: .8; }
.nav-badge  {
  margin-left: auto; background: var(--accent); color: #fff;
  border-radius: 999px; font-size: .68rem; font-weight: 700;
  padding: .05rem .45rem; min-width: 18px; text-align: center;
}
.sidebar-store-name {
  margin-top: auto; padding: .9rem 1rem;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: .78rem; color: rgba(148,163,184,.7);
}
.store-handle { color: #e2e8f0; font-weight: 600; display: block; margin-top: .15rem; }

/* ──── Page body ──── */
.page-body {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;      /* flexアイテムが内容の最小幅で膨張してビューポートを超えるのを防ぐ */
  min-height: 100vh;
  display: flex; flex-direction: column;
}
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: .9rem 1.75rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; position: sticky; top: 0; z-index: 40;
}
.topbar-title { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.topbar-sub   { font-size: .85rem; color: var(--text-muted); margin-top: .05rem; }
.topbar-right { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }

.container {
  padding: 1.75rem 2rem;
  max-width: 1120px;
  width: 100%;
}

/* ──── Buttons ──── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1.1rem; border-radius: var(--radius-xs);
  border: none; cursor: pointer;
  font-size: .9rem; font-weight: 600; font-family: inherit;
  transition: all .12s; white-space: nowrap; line-height: 1.4;
}
.btn:hover  { opacity: .88; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); opacity: 1; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-blue    { background: var(--blue);    color: #fff; }
.btn-outline {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); opacity: 1; }
.btn-ghost   { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); }
.btn-block   { width: 100%; justify-content: center; }
.btn-sm      { padding: .35rem .7rem; font-size: .78rem; }
.btn-xs      { padding: .2rem .5rem; font-size: .73rem; }
.btn-icon    { padding: .4rem; }

/* ──── Cards ──── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  box-shadow: var(--shadow);
}
.card-title {
  font-size: 1.05rem; font-weight: 700; color: var(--text);
  margin-bottom: 1.1rem; display: flex; align-items: center; gap: .5rem;
}

/* ──── KPI stat card ──── */
.stat-cards { display: grid; grid-template-columns: repeat(4,1fr); gap: .75rem; margin-bottom: 1.25rem; }
@media (max-width:860px) { .stat-cards { grid-template-columns: repeat(2,1fr); } }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.stat-label { font-size: .75rem; color: var(--text-muted); font-weight: 600; margin-bottom: .3rem; }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--text); line-height: 1.1; }
.stat-unit  { font-size: .85rem; font-weight: 500; color: var(--text-muted); margin-left: .2rem; }
.stat-card.accent  { border-top: 3px solid var(--accent); }
.stat-card.success { border-top: 3px solid var(--success); }
.stat-card.blue    { border-top: 3px solid var(--blue); }
.stat-card.warning { border-top: 3px solid var(--warning); }

/* ──── Form ──── */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: .35rem; color: var(--text-muted); font-size: .82rem; font-weight: 600; }
.input {
  width: 100%; background: var(--bg-card);
  border: 1.5px solid var(--border); border-radius: var(--radius-xs);
  color: var(--text); padding: .55rem .8rem; font-size: .88rem;
  font-family: inherit; transition: border-color .12s;
}
.input:focus { outline: none; border-color: var(--accent); }
.textarea    { resize: vertical; min-height: 70px; }
.form-hint   { font-size: .75rem; color: var(--text-dim); margin-top: .25rem; }
.required    { color: var(--danger); margin-left: .1rem; }

.file-drop-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-xs);
  padding: 1rem; cursor: pointer; text-align: center;
  background: var(--bg); transition: border-color .15s;
}
.file-drop-zone:hover, .file-drop-zone.drag-active {
  border-color: var(--accent); background: var(--accent-light);
}
.drop-label { color: var(--text-muted); display: flex; align-items: center; justify-content: center; gap: .4rem; font-size: .9rem; font-weight: 600; }
.drop-sub { color: var(--text-muted); text-align: center; font-size: .74rem; margin-top: .25rem; opacity: .85; }
.label-optional {
  display: inline-block; margin-left: .4rem; padding: .02rem .4rem; font-size: .68rem;
  font-weight: 600; color: var(--text-muted); background: var(--bg);
  border: 1px solid var(--border); border-radius: 999px; vertical-align: middle;
}
.img-attach-note {
  margin-top: .5rem; padding: .55rem .7rem; border-radius: 8px; font-size: .8rem; line-height: 1.6;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
.file-list  { margin-top: .5rem; display: flex; flex-wrap: wrap; gap: .35rem; justify-content: center; }
/* 推奨画像の候補（過去に伸びた画像） */
.img-cands { margin-top: .6rem; padding-top: .55rem; border-top: 1px dashed var(--border); }
.img-cands-head { font-size: .78rem; font-weight: 700; color: var(--accent); margin-bottom: .4rem; }
.img-cands-list { display: flex; gap: .5rem; flex-wrap: wrap; }
.img-cand {
  display: block; width: 104px; text-decoration: none;
  border: 1px solid var(--border); border-radius: var(--radius-xs);
  overflow: hidden; background: var(--bg-card); transition: border-color .12s, transform .12s;
}
.img-cand:hover { border-color: var(--accent); transform: translateY(-2px); opacity: 1; }
.img-cand img { display: block; width: 100%; height: 78px; object-fit: cover; background: var(--bg); }
.img-cand-meta {
  display: block; font-size: .68rem; color: var(--text-muted);
  padding: .18rem .3rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.img-cands-note { font-size: .7rem; color: var(--text-dim); margin-top: .35rem; }

/* 添付ファイルのチップ（× で個別削除） */
.file-chip {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 999px; padding: .2rem .6rem;
  font-size: .76rem; color: var(--text); max-width: 100%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.file-chip:hover { border-color: var(--accent); }
.file-tag {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xs); padding: .2rem .5rem;
  font-size: .75rem; color: var(--text-muted);
  display: flex; align-items: center; gap: .3rem;
}
.file-tag button { background: none; border: none; color: var(--danger); cursor: pointer; padding: 0; }

/* ──── Tab bar ──── */
.tab-bar {
  display: flex; gap: 0; margin-bottom: 1rem;
  border-bottom: 2px solid var(--border); overflow-x: auto;
}
.tab {
  padding: .6rem 1rem; color: var(--text-muted); font-size: .85rem; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -2px; white-space: nowrap;
  transition: color .12s; display: flex; align-items: center; gap: .3rem;
}
.tab:hover   { color: var(--text); }
.tab-active  { color: var(--accent); border-bottom-color: var(--accent); font-weight: 700; }
.tab-count   {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; padding: .05rem .4rem; font-size: .7rem; color: var(--text-muted);
}
.tab-active .tab-count { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

/* ──── Idea card ──── */
.idea-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); margin-bottom: .875rem;
  transition: box-shadow .15s;
}
.idea-card:hover { box-shadow: var(--shadow-md); }

.idea-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .7rem 1.1rem; background: var(--bg);
  border-bottom: 1px solid var(--border); gap: .75rem; flex-wrap: wrap;
}
.idea-num-badge {
  background: var(--accent); color: #fff;
  border-radius: var(--radius-xs); padding: .2rem .6rem;
  font-size: .75rem; font-weight: 800; letter-spacing: .03em; flex-shrink: 0;
}
.idea-aim   { font-size: .82rem; color: var(--text); font-weight: 600; flex: 1; min-width: 0; }
.idea-meta  { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; flex-wrap: wrap; }
.idea-time  {
  font-size: .75rem; color: var(--text-muted);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xs); padding: .15rem .5rem;
  display: flex; align-items: center; gap: .25rem;
}

/* 投稿本文 */
.post-body-wrap { padding: 1rem 1.1rem; border-bottom: 1px solid var(--border); }
.post-body-label {
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-dim); margin-bottom: .45rem;
}
.post-body-text {
  white-space: pre-wrap; font-size: 1rem; line-height: 1.85; color: var(--text);
}

/* なぜこの案か */
.reason-wrap {
  padding: .75rem 1.1rem; background: var(--bg); border-bottom: 1px solid var(--border);
}
.reason-header {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-dim); margin-bottom: .4rem;
  display: flex; align-items: center; gap: .35rem;
}
.reason-body { font-size: .83rem; color: var(--text-muted); line-height: 1.65; white-space: pre-wrap; }
.reason-img  {
  display: flex; align-items: center; gap: .35rem;
  font-size: .78rem; color: var(--text-muted); margin-top: .45rem;
  padding-top: .45rem; border-top: 1px solid var(--border);
}

/* アクションバー */
.idea-actions {
  padding: .65rem 1.1rem; display: flex; gap: .4rem; flex-wrap: wrap; align-items: center;
}
.idea-cal-badge {
  margin-left: auto; font-size: .73rem; color: var(--blue);
  background: var(--blue-bg); border: 1px solid #bae6fd;
  border-radius: var(--radius-xs); padding: .15rem .5rem;
}

/* ステータスバッジ */
.status-badge {
  display: inline-block; border-radius: var(--radius-xs);
  padding: .15rem .5rem; font-size: .72rem; font-weight: 700;
}
.status-pending { background: var(--warning-bg); color: var(--warning); }
.status-used    { background: var(--success-bg); color: var(--success); }
.status-posted  { background: var(--blue-bg);    color: var(--blue); }
.status-ng      { background: var(--danger-bg);  color: var(--danger); }

/* ──── Account cards (index) ──── */
.account-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem;
}
.account-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: .7rem;
  transition: box-shadow .12s;
}
.account-card:hover { box-shadow: var(--shadow-md); }
.account-handle-row { display: flex; justify-content: space-between; align-items: center; }
.account-handle { color: var(--accent); font-weight: 700; font-size: .95rem; }
.account-name   { font-size: .95rem; font-weight: 600; }
.account-last   { font-size: .75rem; color: var(--text-dim); }
.account-stats  { display: flex; gap: 1.25rem; }
.stat-sm { }
.stat-sm .n { font-size: 1.3rem; font-weight: 800; }
.stat-sm .l { font-size: .73rem; color: var(--text-muted); }
.pending-n { color: var(--warning); }
.account-btn-row { display: flex; flex-direction: column; gap: .4rem; }

/* ──── Admin account table ──── */
.account-table-wrap { overflow-x: auto; }
.account-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.account-table th {
  text-align: left; padding: .55rem .75rem;
  color: var(--text-muted); font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 2px solid var(--border); white-space: nowrap;
}
.account-table td { padding: .75rem .75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.account-table tr:last-child td { border-bottom: none; }
.account-table tbody tr:hover td { background: var(--bg-hover); }
.handle-tag {
  background: var(--accent-light); color: var(--accent);
  border-radius: var(--radius-xs); padding: .15rem .5rem;
  font-weight: 700; font-size: .82rem;
}
.pw-set   { color: var(--success); font-size: .8rem; }
.pw-unset { color: var(--text-dim); font-size: .8rem; }
.td-actions { display: flex; gap: .35rem; flex-wrap: wrap; align-items: center; }
.inline-pw-form { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.inline-pw-form .input { max-width: 240px; }

/* ──── Form row ──── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.input-prefix-wrap { display: flex; }
.input-prefix {
  background: var(--bg); border: 1.5px solid var(--border); border-right: none;
  border-radius: var(--radius-xs) 0 0 var(--radius-xs);
  padding: 0 .65rem; color: var(--text-muted); font-size: .88rem;
  display: flex; align-items: center; user-select: none;
}
.input-prefixed { border-radius: 0 var(--radius-xs) var(--radius-xs) 0; }

/* ──── Calendar ──── */
.cal-layout { display: grid; grid-template-columns: 200px 1fr; gap: 1rem; align-items: start; }
@media (max-width: 720px) { .cal-layout { grid-template-columns: 1fr; } }
.cal-sidebar {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow);
  position: sticky; top: 4.5rem; max-height: calc(100vh - 6rem); overflow-y: auto;
}
.cal-sidebar-title {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-dim); margin-bottom: .6rem;
}
.unassigned-list { display: flex; flex-direction: column; gap: .4rem; }
.idea-chip {
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius-xs); padding: .5rem .65rem;
  cursor: grab; transition: border-color .12s, transform .1s;
  user-select: none;
}
.idea-chip:hover  { border-color: var(--accent); }
.idea-chip.dragging { opacity: .5; transform: scale(.97); }
.chip-title { font-size: .78rem; font-weight: 600; color: var(--text); }
.chip-body  { font-size: .72rem; color: var(--text-muted); margin-top: .1rem; line-height: 1.4; }

.cal-main  { }
.cal-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .75rem;
}
.cal-month-label { font-size: 1.05rem; font-weight: 700; }
.cal-grid {
  display: grid; grid-template-columns: repeat(7,1fr);
  gap: 2px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.cal-dow {
  background: var(--bg); text-align: center; padding: .45rem 0;
  font-size: .75rem; font-weight: 700; color: var(--text-muted);
}
.dow-sun { color: #ef4444; }
.dow-sat { color: var(--blue); }
.cell-sun .day-num { color: #ef4444; }
.cell-sat .day-num { color: var(--blue); }
.cal-cell {
  background: var(--bg-card); min-height: 85px; padding: .35rem .4rem .4rem;
  transition: background .1s;
}
.cal-empty { background: var(--bg); }
.cal-cell.drag-over { background: var(--accent-light); }
.cal-cell.has-ideas { border-left: 3px solid var(--accent); }
.day-num { font-size: .75rem; font-weight: 700; color: var(--text-dim); margin-bottom: .25rem; }
.day-ideas { display: flex; flex-direction: column; gap: 2px; }
.day-chip {
  display: flex; align-items: center; justify-content: space-between; gap: .25rem;
  background: var(--accent-light); border: 1px solid #c7d2fe;
  border-radius: 4px; padding: .18rem .4rem; font-size: .75rem;
}
.day-chip-text { color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.day-chip.s-pending  { background: var(--warning-bg); border-color: #fcd34d; }
.day-chip.s-pending  .day-chip-text { color: #92400e; }
.day-chip.s-used     { background: var(--success-bg); border-color: #6ee7b7; }
.day-chip.s-used     .day-chip-text { color: #065f46; }
.day-chip.s-posted   { background: var(--blue-bg);    border-color: #7dd3fc; }
.day-chip.s-posted   .day-chip-text { color: #075985; }
.day-chip.s-ng       { background: var(--danger-bg);  border-color: #fca5a5; }
.day-chip.s-ng       .day-chip-text { color: #991b1b; }
.chip-remove { background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 0; line-height: 1; }
.chip-remove:hover { color: var(--danger); }

/* ──── Analytics ──── */
.chart-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow); margin-bottom: 1rem;
}
.chart-title { font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: .75rem; }
.chart-sub   { font-size: .78rem; color: var(--text-muted); margin-top: .2rem; }
.insight-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem; box-shadow: var(--shadow);
}
.insight-body  { font-size: .88rem; line-height: 1.75; color: var(--text); white-space: pre-wrap; }
.insight-body strong { color: var(--accent); }
.top-posts-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.top-posts-table th {
  text-align: left; padding: .5rem .6rem; color: var(--text-muted);
  font-size: .7rem; text-transform: uppercase; border-bottom: 2px solid var(--border);
}
.top-posts-table td { padding: .65rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.top-posts-table tr:last-child td { border-bottom: none; }
.post-text-cell { color: var(--text); max-width: 620px; min-width: 260px; }
.post-text-preview { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* 上位投稿は本文を省略せず全文表示（改行も保持） */
.post-text-full {
  white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere;
  line-height: 1.6; font-size: .84rem;
}
.dow-row-best  td { background: var(--success-bg); }
.dow-row-worst td { background: var(--danger-bg); }
.badge-best  { background: var(--success-bg); color: var(--success); border-radius: 4px; padding: .1rem .4rem; font-size: .7rem; font-weight: 700; }
.badge-worst { background: var(--danger-bg);  color: var(--danger); border-radius: 4px; padding: .1rem .4rem; font-size: .7rem; font-weight: 700; }

/* ──── Login ──── */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.login-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 2.25rem 2rem; width: 100%; max-width: 380px;
  box-shadow: var(--shadow-md);
}
.login-logo { font-size: 1.8rem; text-align: center; margin-bottom: .4rem; }
.login-title{ font-size: 1.1rem; font-weight: 800; text-align: center; color: var(--text); margin-bottom: .3rem; }
.login-sub  { text-align: center; color: var(--text-muted); font-size: .82rem; margin-bottom: 1.75rem; }
.role-tabs  { display: flex; gap: .4rem; margin-bottom: 1.25rem; }
.role-tab {
  flex: 1; padding: .5rem .5rem; border-radius: var(--radius-xs);
  border: 1.5px solid var(--border); background: transparent;
  color: var(--text-muted); font-size: .85rem; cursor: pointer;
  font-family: inherit; font-weight: 500; transition: all .12s; text-align: center;
}
.role-tab:hover { border-color: var(--accent); color: var(--accent); }
.role-tab-active { background: var(--accent-light); border-color: var(--accent); color: var(--accent); font-weight: 700; }

/* ──── Toast ──── */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .75rem 1.25rem;
  font-size: .88rem; z-index: 999; max-width: 300px;
  box-shadow: var(--shadow-md); transition: opacity .25s;
  color: var(--text);
}
.toast-ok    { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); color: var(--danger); }
.hidden { display: none !important; }

/* ──── Modal ──── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,.45);
  display: flex; align-items: center; justify-content: center; z-index: 200;
  backdrop-filter: blur(2px);
}
.modal-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; width: 100%; max-width: 400px;
  box-shadow: var(--shadow-md);
}
.modal-title { font-size: 1rem; font-weight: 700; margin-bottom: .75rem; }

/* ──── Flash ──── */
.flash-msg {
  border-radius: var(--radius-sm); padding: .7rem 1rem; margin-bottom: 1rem;
  font-size: .85rem; font-weight: 500;
  background: var(--danger-bg); border: 1px solid #fecaca; color: var(--danger);
}
.flash-ok  { background: var(--success-bg); border-color: #a7f3d0; color: #065f46; }
.flash-err { background: var(--danger-bg);  border-color: #fecaca; color: #991b1b; }

/* ──── Empty state (generic) ──── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-icon  { font-size: 2.25rem; margin-bottom: .75rem; }

/* ──── Empty state (analytics) ──── */
.empty-analytics {
  max-width: 540px; margin: 2.5rem auto; text-align: center; padding: 0 1rem;
}
.empty-analytics-icon { margin-bottom: 1.25rem; }
.empty-analytics-title {
  font-size: 1.2rem; font-weight: 800; color: var(--text); margin: 0 0 .5rem;
}
.empty-analytics-sub {
  font-size: .875rem; color: var(--text-muted); line-height: 1.65; margin: 0 0 1.25rem;
}
.empty-status-row {
  display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.5rem;
}
.status-chip {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .775rem; font-weight: 600; padding: .3rem .7rem;
  border-radius: 999px; border: 1px solid;
}
.chip-ok  { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.chip-ng  { background: #fef2f2; color: #991b1b; border-color: #fecaca; }

.empty-steps-box {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.25rem; text-align: left; margin-bottom: 1.25rem;
}
.empty-step {
  display: flex; align-items: flex-start; gap: .875rem;
  padding: .65rem 0; border-bottom: 1px solid var(--border);
}
.empty-step:last-child { border-bottom: none; padding-bottom: .3rem; }
.step-num {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--sidebar-bg); color: var(--text-muted);
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin-top: .05rem;
}
.step-done .step-num { background: #f0fdf4; color: #166534; }
.step-body { font-size: .85rem; color: var(--text); line-height: 1.5; }
.step-body strong { display: block; margin-bottom: .2rem; }
.step-hint { display: block; color: var(--text-muted); font-size: .8rem; line-height: 1.55; }
.step-tag-ok {
  display: inline-block; background: #f0fdf4; color: #166534;
  border: 1px solid #bbf7d0; border-radius: 4px;
  font-size: .72rem; font-weight: 600; padding: .1rem .45rem; margin-left: .35rem;
}
.step-link {
  display: inline-block; color: var(--accent); font-size: .8rem;
  text-decoration: none; margin-left: .35rem;
}
.step-link:hover { text-decoration: underline; }
.empty-analytics-note {
  font-size: .8rem; color: var(--text-dim); margin: 0;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: .65rem .9rem;
}

/* ──── Fetch banner ──── */
.fetch-banner {
  display: flex; align-items: center; gap: .65rem;
  padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem;
  font-size: .875rem; font-weight: 500; border: 1px solid;
  transition: background .3s, color .3s;
}
.fetch-running { background: var(--accent-bg, #ede9fe); color: #4c1d95; border-color: #c4b5fd; }
.fetch-ok      { background: var(--success-bg);         color: #065f46; border-color: #a7f3d0; }
.fetch-err     { background: var(--danger-bg);          color: #991b1b; border-color: #fecaca; }

/* ──── Spinner / Loading ──── */
.spinner {
  width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite;
  display: inline-block;
}
.spinner-dark {
  border-color: rgba(79,70,229,.2); border-top-color: var(--accent);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ──── Generate card ──── */
.generate-card { margin-bottom: 1.25rem; }
.generate-btn  { width: 100%; justify-content: center; padding: .65rem; font-size: .9rem; margin-top: .5rem; }

/* ──── Misc ──── */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 1.25rem; gap: 1rem;
}
.page-title  { font-size: 1.25rem; font-weight: 800; color: var(--text); }
.page-sub    { font-size: .82rem; color: var(--text-muted); margin-top: .2rem; display: block; }
.header-actions { display: flex; gap: .5rem; flex-shrink: 0; }
.section-gap    { margin-top: 1.25rem; }
.text-muted     { color: var(--text-muted) !important; }
.text-dim       { color: var(--text-dim) !important; }
.badge          { border-radius: 999px; padding: .15rem .55rem; font-size: .72rem; font-weight: 700; }
.badge-pending  { background: var(--warning-bg); color: var(--warning); }

/* データ最終更新バッジ（各分析ページ上部） */
.update-badge {
  display: inline-flex; align-items: center; gap: .4rem; flex-wrap: wrap;
  font-size: .75rem; color: var(--text-muted);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 999px; padding: .22rem .7rem;
}
.update-badge-auto {
  font-size: .67rem; font-weight: 700; color: var(--accent);
  background: var(--bg); border-radius: 999px; padding: .05rem .45rem;
}

/* 週次フィードバック本文（mdlite整形） */
.fb-body { font-size: .9rem; line-height: 1.7; color: var(--text); }
.fb-body .fb-h {
  font-size: .95rem; font-weight: 700; color: var(--accent);
  margin: .85rem 0 .35rem; padding-bottom: .2rem; border-bottom: 1px solid var(--border);
}
.fb-body .fb-h:first-child { margin-top: 0; }
.fb-body .fb-li { position: relative; padding-left: 1.05rem; margin: .2rem 0; }
.fb-body .fb-li::before { content: "▸"; position: absolute; left: .1rem; color: var(--accent); }
.fb-body .fb-p  { margin: .2rem 0; }
.fb-body .fb-sp { height: .35rem; }

/* ──── NGワード・NG学習パターン ──── */
.ng-saved-note { font-size: .76rem; color: var(--accent); font-weight: 600; }
.ng-rule-list { display: flex; flex-direction: column; gap: .4rem; margin-top: .6rem; }
.ng-rule {
  display: flex; align-items: flex-start; gap: .6rem;
  padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 8px;
}
.ng-rule-inactive { opacity: .55; }
.ng-rule-reason { font-size: .84rem; font-weight: 600; }
.ng-rule-body {
  font-size: .75rem; color: var(--text-muted); margin-top: .2rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ng-rule-date { font-size: .72rem; color: var(--text-dim, var(--text-muted)); margin-top: .15rem; }
.ng-rule-badge {
  display: inline-block; margin-left: .4rem; padding: .02rem .35rem;
  font-size: .65rem; font-weight: 700; color: #fff;
  background: var(--accent); border-radius: 999px; vertical-align: middle;
}
.ng-rule-badge-off { background: var(--text-muted); }

/* ──── ログイン履歴 ──── */
.lh-controls { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.lh-table { border-collapse: collapse; font-size: .82rem; }
.lh-table th, .lh-table td { border: 1px solid var(--border); padding: .3rem .45rem; text-align: center; }
.lh-table thead th { background: var(--bg); font-weight: 700; white-space: nowrap; position: sticky; top: 0; }
.lh-table .lh-store { text-align: left; white-space: nowrap; position: sticky; left: 0; background: var(--card, #fff); z-index: 1; }
.lh-table thead .lh-store { z-index: 2; }
.lh-table .lh-total { font-variant-numeric: tabular-nums; }
.lh-date { font-size: .72rem; color: var(--text-muted); }
.lh-cell { font-variant-numeric: tabular-nums; }
.lh-cell.lh-on { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--text); font-weight: 700; }
.lh-cell.lh-off { color: color-mix(in srgb, var(--text-muted) 45%, transparent); }
@media (prefers-color-scheme: dark) {
  .lh-table .lh-store { background: var(--card, #1e293b); }
}

/* ──── デモ環境バナー ──── */
.demo-banner {
  background: linear-gradient(90deg, #f59e0b, #f97316);
  color: #fff; font-size: .85rem; font-weight: 600; text-align: center;
  padding: .5rem 1rem; line-height: 1.5;
}
.demo-banner strong { font-weight: 800; }

/* ──── 月間スケジュール：添付したが未保存の注意 ──── */
.sched-attach-note {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  flex-wrap: wrap; margin-top: .5rem; padding: .55rem .7rem; border-radius: 8px;
  font-size: .8rem; line-height: 1.5;
  background: color-mix(in srgb, #f59e0b 12%, transparent);
  border: 1px solid color-mix(in srgb, #f59e0b 40%, transparent);
}
.sched-attach-note > span { min-width: 0; flex: 1; }

/* ──── 保存済み月間スケジュール ──── */
@keyframes schedFlash {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  100% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 0%, transparent); }
}
.sched-flash { animation: schedFlash 1.4s ease-out; }
@media (prefers-reduced-motion: reduce) { .sched-flash { animation: none; } }
.sched-saved {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  border-radius: 10px; padding: .65rem .8rem; margin-bottom: .85rem;
}
.sched-badge {
  display: inline-block; margin-left: .4rem; padding: .05rem .4rem;
  font-size: .68rem; font-weight: 700; letter-spacing: .02em;
  color: #fff; background: var(--accent); border-radius: 999px; vertical-align: middle;
}
.sched-file {
  font-size: .76rem; color: var(--text-muted); margin-top: .2rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ──── 投稿案のリプ案（本文の続きを自リプで投稿する用） ──── */
.reply-wrap {
  margin-top: .5rem; margin-left: 1.25rem; position: relative;
  border-left: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
}
.reply-wrap::before {
  content: "↳"; position: absolute; left: -1.15rem; top: .55rem;
  color: var(--text-muted); font-size: .95rem;
}

/* ──── LINE CSV取込リマインド ──── */
.csv-remind {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 1rem; padding: .85rem 1rem; border-radius: 12px;
  background: color-mix(in srgb, #f59e0b 12%, transparent);
  border: 1px solid color-mix(in srgb, #f59e0b 45%, transparent);
}
.csv-remind-title { font-weight: 700; font-size: .95rem; }
.csv-remind-sub { font-size: .8rem; color: var(--text-muted); line-height: 1.6; margin-top: .25rem; }

/* ──── 競合分析 ──── */
.comp-note { font-size: .82rem; color: var(--text-muted); line-height: 1.6; margin: .4rem 0 0; }
.comp-warn {
  margin: .75rem 0 0; padding: .6rem .75rem; font-size: .82rem; line-height: 1.6;
  background: color-mix(in srgb, #f59e0b 12%, transparent);
  border: 1px solid color-mix(in srgb, #f59e0b 40%, transparent);
  border-radius: 8px; color: var(--text);
}
.comp-list { display: flex; flex-direction: column; gap: .5rem; margin-top: .85rem; }
.comp-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem .8rem; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2, transparent);
}
.comp-name { font-weight: 600; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.comp-meta { font-size: .76rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: .1rem .1rem; margin-top: .15rem; }
.comp-meta a { color: var(--accent); text-decoration: none; }
.comp-locked { font-size: .76rem; color: var(--text-muted); white-space: nowrap; }
.comp-add-row { display: flex; align-items: center; gap: .35rem; }
.comp-add-row .comp-at { color: var(--text-muted); font-weight: 600; }
.comp-add-row .input { flex: 1; }
.comp-confirm {
  margin-top: .75rem; padding: .75rem; border-radius: 10px; font-size: .84rem; line-height: 1.6;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
.comp-confirm-actions { display: flex; gap: .5rem; margin-top: .6rem; }
.comp-metrics { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1rem; }
.comp-metric {
  flex: 1 1 160px; min-width: 0; padding: .65rem .75rem;
  border: 1px solid var(--border); border-radius: 10px;
}
.comp-metric-name { font-weight: 600; font-size: .85rem; margin-bottom: .35rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.comp-metric-row { display: flex; justify-content: space-between; font-size: .8rem; color: var(--text-muted); padding: .1rem 0; }
.comp-metric-row strong { color: var(--text); font-variant-numeric: tabular-nums; }

/* ──── Scrollbar ──── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 3px; }

/* ──── Hamburger button (モバイルのみ表示) ──── */
.hamburger-btn {
  display: none;
  align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--radius-xs);
  border: 1px solid var(--border); background: transparent;
  color: var(--text-muted); font-size: 1.1rem; cursor: pointer;
  flex-shrink: 0;
}
.hamburger-btn:hover { background: var(--bg); color: var(--text); }

/* サイドバーオーバーレイ（モバイルでサイドバーを開いた時のみ表示） */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 49;
}
/* .open はモバイル幅でのみ有効化。デスクトップに広げた際に
   （モバイルでメニューを開いたまま）オーバーレイが残るのを防ぐ */
@media (max-width: 767px) {
  .sidebar-overlay.open { display: block; }
}

/* ──── Responsive: Tablet ≤ 860px ──── */
@media (max-width: 860px) {
  .stat-cards { grid-template-columns: repeat(2,1fr); }
}

/* ──── Responsive: Mobile ≤ 767px ──── */
@media (max-width: 767px) {

  /* サイドバーをスライドオーバーに変更 */
  .sidebar {
    width: 240px;
    transform: translateX(-100%);
    transition: transform .22s ease;
    z-index: 100;
  }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,.25); }

  .page-body { margin-left: 0; }

  .hamburger-btn { display: flex; }

  /* トップバー */
  .topbar { padding: .7rem 1rem; }
  .topbar-sub { display: none; }
  .topbar-right .btn-outline { display: none; } /* サブアクションは非表示 */

  /* コンテナ */
  .container { padding: 1rem; }

  /* 投稿案カードヘッダーを縦積み */
  .idea-card-header { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .idea-meta { flex-wrap: wrap; }

  /* アカウントグリッド → 1列 */
  .account-grid { grid-template-columns: 1fr; }

  /* アナリティクス チャートグリッド → 1列 */
  .chart-2col { grid-template-columns: 1fr !important; }

  /* テーブルは横スクロール（すでに wrap あり） */
  .account-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* フォームロー → 1列 */
  .form-row { grid-template-columns: 1fr; }

  /* ログインカード */
  .login-card { margin: 1rem; padding: 1.75rem 1.25rem; border-radius: 12px; }

  /* ステータスタブ → スクロール */
  .tab-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* アクションボタン → 小さめに */
  .idea-actions { gap: .35rem; }
  .idea-actions .btn { font-size: .78rem; padding: .3rem .6rem; }

  /* タップターゲット最小 44px 確保 */
  .btn-xs, .btn-sm { min-height: 36px; padding: .4rem .65rem; }
  .btn-xs { font-size: .8rem; }

  /* 管理テーブルの操作列を縦積み */
  .td-actions { flex-direction: column; align-items: flex-start; }
}

/* ──── Responsive: Very small ≤ 480px ──── */
@media (max-width: 480px) {
  body { font-size: 14.5px; }
  .stat-cards { grid-template-columns: repeat(2,1fr); gap: .5rem; }
  .stat-value { font-size: 1.3rem; }
  .card { padding: 1rem; }
  .topbar-title { font-size: .95rem; }
  .btn { font-size: .82rem; }
  /* iOS Safari の input タップ時自動ズームを防ぐ */
  input, textarea, select { font-size: 16px !important; }
}

/* 横スクロールによるビューポート拡大を防止 */
html, body { overflow-x: hidden; max-width: 100%; }