:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --ink-muted: #6b6b70;
  --line: #e5e3dc;
  --primary: #2a5d4c;
  --primary-ink: #ffffff;
  --warn: #b8860b;
  --warn-bg: #fff8e1;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --success: #1e7e34;
  --success-bg: #e6f4ea;
  --radius: 10px;
  --tap-target: 44px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 17px; color: var(--primary); }
.brand .tag {
  font-size: 11px; background: var(--primary); color: var(--primary-ink);
  padding: 2px 8px; border-radius: 999px; margin-left: 6px; vertical-align: 2px;
}
.topbar nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.admin-name { color: var(--ink-muted); font-size: 13px; }
.link-muted { color: var(--ink-muted); text-decoration: none; font-size: 14px; }
.link-muted:hover { color: var(--ink); }
.btn-link {
  background: none; border: none; padding: 0;
  color: var(--ink-muted); cursor: pointer; font-size: 14px;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.footer {
  text-align: center;
  color: var(--ink-muted);
  font-size: 12px;
  padding: 20px;
}

.page-title {
  font-size: 24px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.section-title {
  font-size: 17px;
  margin: 28px 0 10px;
  padding-left: 10px;
  border-left: 4px solid var(--primary);
}
.section-title.urgent { border-left-color: var(--danger); color: var(--danger); }

.contract-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 20px;
}
.contract-box h3 { margin: 0 0 6px; font-size: 14px; color: var(--ink-muted); }
.contract-box p { margin: 4px 0; }

/* ---------- Form ---------- */
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.form-narrow { max-width: 420px; }
.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.form label { display: flex; flex-direction: column; margin-bottom: 14px; font-size: 14px; color: var(--ink-muted); font-weight: 600; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; min-width: 0; }
.form .row > * { min-width: 0; }
@media (max-width: 640px) { .form .row { grid-template-columns: 1fr; } }
.form input[type="text"],
.form input[type="email"],
.form input[type="date"],
.form input[type="password"],
.form select,
.form textarea {
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 16px;
  color: var(--ink);
  background: #fff;
  font-family: inherit;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: var(--tap-target);
  -webkit-appearance: none;
  appearance: none;
}
.form input[type="date"] {
  /* iOS Safari の日付入力は内部 min-width を持つため明示的に 0 に */
  min-width: 0;
}
.form input[type="file"] { margin-top: 6px; font-size: 14px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.form textarea { resize: vertical; min-height: 80px; }
.form .req { color: var(--danger); margin-left: 2px; }
.form .checkbox { flex-direction: row; align-items: flex-start; gap: 10px; font-weight: normal; color: var(--ink); font-size: 15px; }
.form .checkbox input { margin-top: 4px; width: 20px; height: 20px; }
.actions { margin-top: 16px; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  background: #eee;
  color: var(--ink);
  font-family: inherit;
  min-height: var(--tap-target);
  line-height: 1.3;
}
.btn.primary { background: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { filter: brightness(0.95); }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.warn { background: var(--warn); color: #fff; }
.btn.strict { background: var(--danger); color: #fff; }
.btn.big { padding: 14px 28px; font-size: 16px; min-height: 52px; }
.btn.huge { padding: 20px 36px; font-size: 18px; min-height: 64px; width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; min-height: 32px; }

/* ---------- Alerts ---------- */
.alert { padding: 14px 18px; border-radius: var(--radius); margin: 14px 0; }
.alert h3 { margin: 0 0 6px; font-size: 15px; }
.alert p { margin: 4px 0; font-size: 14px; }
.alert ul { margin: 6px 0; padding-left: 20px; }
.alert.warn { background: var(--warn-bg); border: 1px solid var(--warn); color: #6b4f00; }
.alert.error { background: var(--danger-bg); border: 1px solid var(--danger); color: #7a1a16; }
.alert.success { background: var(--success-bg); border: 1px solid var(--success); color: #104b1f; }

/* ---------- Gate indicator ---------- */
.gate-indicator {
  margin: 14px 0;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: #fafaf5;
  border: 1px dashed var(--line);
}
.gate-indicator.hidden, .warning-fields.hidden, .strict-fields.hidden { display: none; }
.gate-days { color: var(--ink-muted); font-size: 14px; }
.gate-days strong { color: var(--ink); font-size: 20px; }
.gate-category { font-weight: 700; margin-top: 6px; }
.gate-category.standard { color: var(--success); }
.gate-category.warning { color: var(--warn); }
.gate-category.strict { color: var(--danger); }
.warning-fields, .strict-fields { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.warning-fields h3 { color: var(--warn); margin-top: 0; }

/* ---------- Boxes ---------- */
.summary-box, .action-box, .info-box, .pdf-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 16px 0;
}
.action-box.urgent { border-color: var(--danger); border-left-width: 5px; }
.action-box.accept { border-color: var(--primary); border-left-width: 5px; }
.action-box.send { border-color: var(--success); border-left-width: 5px; }
.action-box.upload { border-color: var(--warn); border-left-width: 5px; }
.summary-box h3, .action-box h3, .info-box h3, .pdf-box h3 { margin: 0 0 10px; font-size: 16px; }
.action-box h4 { margin: 20px 0 8px; font-size: 14px; }
.summary-box dl, .info-box dl { margin: 0; display: grid; grid-template-columns: 130px 1fr; gap: 8px 14px; }
@media (max-width: 540px) { .summary-box dl, .info-box dl { grid-template-columns: 100px 1fr; } }
.summary-box dt, .info-box dt { color: var(--ink-muted); font-size: 13px; font-weight: 600; }
.summary-box dd, .info-box dd { margin: 0; }
.reason { font-family: inherit; white-space: pre-wrap; margin: 0; background: #fafaf5; padding: 10px 12px; border-radius: 6px; border: 1px solid var(--line); font-size: 14px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 20px; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; text-align: center; }
.stat.urgent { border-color: var(--danger); }
.stat-num { font-size: 28px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.stat.urgent .stat-num { color: var(--danger); }
.stat-label { color: var(--ink-muted); font-size: 12px; margin-top: 4px; }

/* ---------- Lists / Tables ---------- */
.list { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; margin: 8px 0; }
.list th, .list td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
.list th { background: #fafaf5; font-weight: 600; color: var(--ink-muted); font-size: 12px; }
.list tr:last-child td { border-bottom: none; }
@media (max-width: 720px) {
  .list { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .list th, .list td { white-space: nowrap; }
}

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.cat-standard { background: var(--success-bg); color: var(--success); }
.cat-warning { background: var(--warn-bg); color: var(--warn); }
.cat-strict { background: var(--danger-bg); color: var(--danger); }
.st-draft { background: #fff3cd; color: #856404; }
.st-submitted { background: #cce5ff; color: #004085; }
.st-accepted { background: var(--success-bg); color: var(--success); }
.st-sent { background: #e8eaf6; color: #3949ab; }
.st-closed { background: #e0e0e0; color: #333; }
.st-rejected, .st-withdrawn { background: #eee; color: #666; }
.badge.ready { background: #d4edda; color: var(--success); border: 1px solid var(--success); }

/* ---------- Diff days ---------- */
.diff-days { text-align: right; font-weight: 600; }
.diff-days.warn { color: var(--warn); }
.diff-days.strict { color: var(--danger); }
.diff-badge { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--success-bg); color: var(--success); font-size: 12px; font-weight: 600; }
.diff-badge.warn { background: var(--warn-bg); color: var(--warn); }
.diff-badge.strict { background: var(--danger-bg); color: var(--danger); }
.meta-row { display: flex; gap: 8px; align-items: center; margin: 14px 0 18px; flex-wrap: wrap; }

.tag.small { font-size: 11px; background: var(--ink-muted); color: #fff; padding: 2px 8px; border-radius: 999px; font-weight: 600; vertical-align: 3px; margin-left: 6px; }
code { background: #eee; padding: 2px 6px; border-radius: 4px; font-size: 13px; word-break: break-all; }
.muted { color: var(--ink-muted); font-size: 13px; }
.mt { margin-top: 20px; }
.url-box { background: #f0efea; padding: 10px 12px; border-radius: 6px; font-family: Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; margin: 8px 0; }

/* ---------- 急申出ステータス表示 ---------- */
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
@media (max-width: 540px) { .status-grid { grid-template-columns: 1fr; } }
.status-cell { background: #fafaf5; border: 1px solid var(--line); border-radius: 8px; padding: 12px; text-align: center; }
.status-cell.done { background: var(--success-bg); border-color: var(--success); }
.status-icon { font-size: 22px; font-weight: 700; color: var(--ink-muted); }
.status-cell.done .status-icon { color: var(--success); }
.status-label { font-size: 13px; font-weight: 600; margin-top: 4px; }
.status-sub { font-size: 11px; color: var(--ink-muted); margin-top: 2px; }

/* ---------- タスクリスト ---------- */
.task-list { list-style: none; margin: 0; padding: 0; }
.task-item { border-bottom: 1px solid var(--line); }
.task-item:last-child { border-bottom: none; }
.task-item.done .task-title { color: var(--ink-muted); text-decoration: line-through; }
.task-toggle {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 4px; margin: 0;
  background: none; border: none; width: 100%;
}
.task-check {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid var(--line); background: #fff;
  font-size: 16px; font-weight: 700; color: var(--ink-muted);
  cursor: pointer; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.task-item.done .task-check { background: var(--success); border-color: var(--success); color: #fff; }
.task-check.readonly { cursor: default; }
.task-title { flex: 1; font-size: 15px; text-align: left; }
.task-assignee { font-size: 11px; background: var(--ink-muted); color: #fff; padding: 2px 8px; border-radius: 999px; }
.task-done-at { font-size: 11px; color: var(--ink-muted); }

.doc-list { list-style: none; padding: 0; margin: 0; }
.doc-list li { padding: 10px 4px; border-bottom: 1px solid var(--line); }
.doc-list li:last-child { border-bottom: none; }

/* ---------- メッセージ ---------- */
.messages { display: flex; flex-direction: column; gap: 10px; }
.msg { padding: 12px; border-radius: 8px; max-width: 85%; }
.msg.from-me { background: var(--success-bg); margin-left: auto; }
.msg.from-them { background: #fafaf5; border: 1px solid var(--line); }
.msg.from-employee, .msg.from-company { background: #fafaf5; border: 1px solid var(--line); }
.msg.from-company { background: var(--success-bg); }
.msg-meta { font-size: 12px; color: var(--ink-muted); margin-bottom: 4px; display: flex; justify-content: space-between; gap: 10px; }
.msg-body { font-family: inherit; white-space: pre-wrap; margin: 0; font-size: 14px; }

/* ---------- Preview画面 ---------- */
.preview-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 20px; }
@media (max-width: 860px) { .preview-wrap { grid-template-columns: 1fr; } }
.preview-col h3 { font-size: 15px; margin: 18px 0 8px; color: var(--ink-muted); }
.preview-col h3:first-child { margin-top: 0; }
.send-cta { margin-top: 20px; padding: 16px; background: var(--success-bg); border-radius: var(--radius); border: 1px solid var(--success); }

/* ---------- Mobile tuning ---------- */
@media (max-width: 540px) {
  .page-title { font-size: 20px; }
  .section-title { font-size: 15px; }
  .wrap { padding: 16px 14px 60px; }
  .form, .summary-box, .action-box, .info-box { padding: 14px 16px; }
  .actions { flex-direction: column; }
  .actions .btn { width: 100%; }
  .btn.huge { font-size: 17px; min-height: 60px; }
}