/* =====================================================================
   ewISMSAudit 後台版型（自組 Bootstrap 5.3 + Bootstrap Icons；無外部模板）
   對比度：側欄 #e9ecef on #1f2d3d ≈ 11.8:1；active #ffffff on #0a58ca ≈ 6.4:1；top bar #ffffff on #14324f ≈ 13:1；
           焦點框 #0a58ca on #fff ≈ 6.4:1＋白色外圈（深色背景 11:1）（皆 ≥ WCAG AA，見 tests/a11y/colors.txt）
   ===================================================================== */
:root {
  --ewia-topbar-h: 56px;
  --ewia-sidebar-w: 240px;
  --ewia-topbar-bg: #14324f;
  --ewia-sidebar-bg: #1f2d3d;
  --ewia-sidebar-fg: #e9ecef;
  --ewia-sidebar-heading: #adb5bd;
  --ewia-active-bg: #0a58ca;
  --ewia-focus: #0a58ca;        /* 白底 6.4:1；深色背景靠外圈白色 box-shadow（11:1） */
}
.ewia-body { background: #f4f6f9; min-height: 100vh; }
/* 鍵盤焦點一律可見（不移除 outline）*/
:focus-visible { outline: 3px solid var(--ewia-focus); outline-offset: 2px; box-shadow: 0 0 0 6px #ffffff; }
.ewia-skip { position: absolute; left: 8px; top: 8px; z-index: 2000; background: #fff; padding: .5rem 1rem; border-radius: .25rem; }

.ewia-topbar { position: fixed; top: 0; left: 0; right: 0; height: var(--ewia-topbar-h); background: var(--ewia-topbar-bg); z-index: 1030; }
.ewia-topbar .navbar-brand { color: #fff; font-weight: 600; }
.ewia-brand-sub { font-weight: 400; font-size: .85em; opacity: .85; margin-left: .35rem; }

.ewia-layout { display: flex; padding-top: var(--ewia-topbar-h); min-height: calc(100vh - 40px); }
.ewia-sidebar { width: var(--ewia-sidebar-w); flex: 0 0 var(--ewia-sidebar-w); background: var(--ewia-sidebar-bg); color: var(--ewia-sidebar-fg);
  position: fixed; top: var(--ewia-topbar-h); bottom: 0; left: 0; overflow-y: auto; padding: .75rem 0; z-index: 1020; }
.ewia-sidebar .nav-link { color: var(--ewia-sidebar-fg); padding: .5rem 1.25rem; border-left: 4px solid transparent; }
.ewia-sidebar .nav-link:hover { background: rgba(255,255,255,.08); color: #fff; }
.ewia-sidebar .nav-link.active { background: var(--ewia-active-bg); color: #fff; border-left-color: #fff; }
.ewia-sidebar .nav-link .bi { width: 1.4em; display: inline-block; }
.ewia-nav-heading { color: var(--ewia-sidebar-heading); font-size: .75rem; letter-spacing: .05em; padding: .9rem 1.25rem .25rem; text-transform: uppercase; }

.ewia-main { flex: 1 1 auto; padding: 1.5rem; min-width: 0; }
.ewia-authed .ewia-main { margin-left: var(--ewia-sidebar-w); }
.ewia-guest .ewia-main { max-width: 480px; margin: 3rem auto; }
.ewia-footer { text-align: center; padding: .75rem; }
.ewia-authed .ewia-footer { margin-left: var(--ewia-sidebar-w); }

/* outline 按鈕：Bootstrap 預設文字色在淺灰頁底 #f4f6f9 只有 4.2–4.4:1，改深色以達 4.5:1（axe color-contrast） */
.btn-outline-primary   { --bs-btn-color: #0a58ca; --bs-btn-border-color: #0a58ca; --bs-btn-hover-bg: #0a58ca; --bs-btn-hover-border-color: #0a58ca; }
.btn-outline-secondary { --bs-btn-color: #495057; --bs-btn-border-color: #6c757d; --bs-btn-hover-bg: #495057; --bs-btn-hover-border-color: #495057; }
.btn-outline-danger    { --bs-btn-color: #b02a37; --bs-btn-border-color: #b02a37; --bs-btn-hover-bg: #b02a37; --bs-btn-hover-border-color: #b02a37; }
.btn-outline-warning   { --bs-btn-color: #664d03; --bs-btn-border-color: #cc9a06; --bs-btn-hover-bg: #ffc107; --bs-btn-hover-color: #000; }
.text-body-secondary   { --bs-secondary-color: #5c636a !important; }   /* #6c757d 在 #f4f6f9 為 4.4:1 */

/* 卡片 */
.ewia-card { background: #fff; border: 1px solid #dee2e6; border-radius: .5rem; padding: 1.25rem; }
.ewia-stat { display: flex; align-items: center; gap: 1rem; }
.ewia-stat .bi { font-size: 2rem; color: var(--ewia-active-bg); }
.ewia-stat .ewia-stat-num { font-size: 1.75rem; font-weight: 700; line-height: 1; }

/* 表格 */
.table caption { caption-side: top; font-weight: 600; color: #212529; }
.ewia-actions a { margin-right: .5rem; }

/* 必填標示說明 */
.ewia-required-note { font-size: .875rem; color: #6c757d; }

/* 小螢幕：側欄收合 */
@media (max-width: 991.98px) {
  .ewia-sidebar { transform: translateX(-100%); transition: transform .2s; }
  .ewia-sidebar.show { transform: none; }
  .ewia-authed .ewia-main, .ewia-authed .ewia-footer { margin-left: 0; }
}
@media print {
  .ewia-topbar, .ewia-sidebar, .ewia-footer, .ewia-skip { display: none !important; }
  .ewia-authed .ewia-main { margin-left: 0; }
}
/* M6 複驗 M6-4：桌機表單也可手寫簽名（與 kiosk.css 同規格） */
.ewia-sigpad { width: 100%; max-width: 640px; height: 200px; border: 2px dashed #6c757d; border-radius: .5rem; background: #fff; touch-action: none; }
.ewia-sigpad:focus { outline: 3px solid #0d6efd; outline-offset: 2px; }
/* M7：機關標誌 */
.ewia-logo { height: 28px; width: auto; vertical-align: middle; }
/* M7-6.6：側欄群組摺疊按鈕與行動版 backdrop */
.ewia-nav-toggle { background: none; border: 0; color: var(--ewia-sidebar-heading); font-size: .75rem; letter-spacing: .05em; padding: 0; cursor: pointer; width: 100%; text-align: left; }
.ewia-nav-toggle:hover, .ewia-nav-toggle:focus { color: #fff; outline: 2px solid #fff; outline-offset: 2px; }
.ewia-nav-group > .nav { padding: 0; }
.ewia-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1029; }
@media (min-width: 992px) { .ewia-backdrop { display: none !important; } }