/* 「保管別人的機密」系列共用樣式。全部限定在 .ee 底下，不影響 blog 其他頁面。 */
.ee {
  --ee-bg: #f6f7f9;
  --ee-surface: #ffffff;
  --ee-fg: #1b2230;
  --ee-muted: #5d6676;
  --ee-line: #c9cfd9;
  --ee-dek: #b7791f;
  --ee-dek-bg: #fdf3e1;
  --ee-kek: #3b5bdb;
  --ee-kek-bg: #e8edfd;
  --ee-danger: #c92a2a;
  --ee-danger-bg: #fdeaea;
  --ee-safe: #2b8a3e;
  --ee-safe-bg: #e6f4ea;
  --ee-mono: "SF Mono", ui-monospace, Menlo, monospace;
  margin: 1.4em 0;
}
.ee * { box-sizing: border-box; }

/* 圖框：窄螢幕時圖可以橫向捲動，不壓縮到看不清楚 */
.ee-fig { background: var(--ee-surface); border: 1px solid var(--ee-line); border-radius: 10px; overflow-x: auto; }
.ee-fig svg, .ee-fig img { display: block; width: 100%; min-width: 660px; height: auto; max-width: none; }
.ee-master img { min-width: 860px; }
.ee-cap { font-size: 0.85em; color: var(--ee-muted); margin: 0.5em 0 0; line-height: 1.6; }
.ee-cap a { color: var(--ee-kek); }

/* 行內 SVG 的元件 */
.ee svg text { font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif; fill: var(--ee-fg); }
.ee svg .lb { font-size: 14px; font-weight: 700; }
.ee svg .sub { font-size: 12px; fill: var(--ee-muted); }
.ee svg .mono { font-family: var(--ee-mono); font-size: 12px; fill: var(--ee-muted); }
.ee svg .num { font-family: var(--ee-mono); font-size: 12px; font-weight: 600; paint-order: stroke; stroke: var(--ee-surface); stroke-width: 5px; }
.ee svg .el { font-size: 12px; fill: var(--ee-muted); paint-order: stroke; stroke: var(--ee-surface); stroke-width: 5px; }
.ee svg .box { fill: var(--ee-surface); stroke: var(--ee-line); stroke-width: 1.5; }
.ee svg .zone { fill: var(--ee-bg); stroke: var(--ee-line); stroke-width: 1.5; stroke-dasharray: 5 4; }
.ee svg .cipher { fill: var(--ee-bg); stroke: var(--ee-line); stroke-width: 1.5; }
.ee svg .dek { fill: var(--ee-dek-bg); stroke: var(--ee-dek); stroke-width: 1.5; }
.ee svg .vault { fill: var(--ee-kek-bg); stroke: var(--ee-kek); stroke-width: 2; }
.ee svg .kek { fill: var(--ee-surface); stroke: var(--ee-kek); stroke-width: 1.5; }
.ee svg .plainbox { fill: var(--ee-danger-bg); stroke: var(--ee-danger); stroke-width: 1.5; }
.ee svg .bad { fill: var(--ee-danger-bg); stroke: var(--ee-danger); stroke-width: 1.5; }
.ee svg .good { fill: var(--ee-safe-bg); stroke: var(--ee-safe); stroke-width: 1.5; }
.ee svg .t-plain { fill: var(--ee-danger); font-size: 12px; font-weight: 700; }
.ee svg .t-kek { fill: var(--ee-kek); }
.ee svg .t-dek { fill: var(--ee-dek); }
.ee svg .t-safe { fill: var(--ee-safe); }
.ee svg .edge { fill: none; stroke: var(--ee-muted); stroke-width: 1.5; }
.ee svg .edge-kek { fill: none; stroke: var(--ee-kek); stroke-width: 1.5; stroke-dasharray: 5 4; }
.ee svg .edge-plain { fill: none; stroke: var(--ee-danger); stroke-width: 1.5; }
.ee svg .ah { fill: var(--ee-muted); }
.ee svg .ah-kek { fill: var(--ee-kek); }
.ee svg .ah-plain { fill: var(--ee-danger); }

/* 卡片 */
.ee-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ee-cards.two { grid-template-columns: 1fr 1fr; }
.ee-card { background: var(--ee-surface); border: 1px solid var(--ee-line); border-radius: 10px; padding: 16px; min-width: 0; }
.ee-card h3, .ee-card h4 { margin: 0.2em 0 0.4em; font-size: 1em; line-height: 1.5; border: 0; padding: 0; }
.ee-card p { font-size: 0.95em; margin: 0.4em 0 0; }
.ee-card .ee-stepno { font: 600 12px/1 var(--ee-mono); color: var(--ee-muted); letter-spacing: .06em; }
.ee-icon { width: 56px; height: 56px; display: block; }
.ee-icon .paper { fill: var(--ee-surface); stroke: var(--ee-fg); stroke-width: 2; }
.ee-icon .ln { stroke: var(--ee-muted); stroke-width: 2; }
.ee-icon .dekk { fill: none; stroke: var(--ee-dek); stroke-width: 3; }
.ee-icon .kekk { fill: none; stroke: var(--ee-kek); stroke-width: 3; }
.ee-icon .env { fill: var(--ee-dek-bg); stroke: var(--ee-kek); stroke-width: 2; }
.ee-icon .vaultf { fill: var(--ee-kek-bg); stroke: var(--ee-kek); stroke-width: 2; }

/* 提示框 */
.ee-note { background: var(--ee-surface); border-left: 4px solid var(--ee-dek); border-radius: 0 10px 10px 0; padding: 12px 16px; }
.ee-note.warn { border-left-color: var(--ee-danger); }
.ee-note.kek { border-left-color: var(--ee-kek); }
.ee-note p { margin: 0.3em 0; }
.ee-note .ee-note-title { font-weight: 700; }

/* 編號步驟 */
.ee ol.ee-steps { margin: 0; padding: 0; list-style: none; counter-reset: s; }
.ee ol.ee-steps li { display: grid; grid-template-columns: 30px 1fr; gap: 8px; counter-increment: s; margin: 0.5em 0; }
.ee ol.ee-steps li::before { content: counter(s); font: 600 12px/22px var(--ee-mono); text-align: center; width: 22px; height: 22px; margin-top: 4px; border-radius: 50%; border: 1.5px solid var(--ee-fg); }
.ee ol.ee-steps[data-start] li::before { content: attr(data-n); width: auto; min-width: 22px; padding: 0 4px; border-radius: 11px; }

/* 顏色標記 */
.ee-dek { color: var(--ee-dek); font-weight: 600; }
.ee-kek { color: var(--ee-kek); font-weight: 600; }
.ee-plain { color: var(--ee-danger); font-weight: 600; }
.ee-step { display: inline-block; min-width: 1.6em; padding: 0 0.35em; border: 1.5px solid currentColor; border-radius: 999px; font: 600 0.8em/1.5 var(--ee-mono); text-align: center; }

/* 系列地圖 */
.ee-map { display: grid; gap: 8px; }
.ee-map a, .ee-map div.ee-map-item { display: grid; grid-template-columns: 4.2em 1fr; gap: 4px 12px; align-items: baseline; padding: 12px 14px; border: 1px solid var(--ee-line); border-radius: 10px; background: var(--ee-surface); color: var(--ee-fg); text-decoration: none; }
.ee-map a:hover { border-color: var(--ee-kek); }
.ee-map .ee-map-no { font: 600 12px/1.6 var(--ee-mono); color: var(--ee-muted); }
.ee-map .ee-map-title { font-weight: 700; }
.ee-map .ee-map-desc { grid-column: 2; font-size: 0.9em; color: var(--ee-muted); }
.ee-map .current { border-color: var(--ee-kek); box-shadow: 0 0 0 1px var(--ee-kek); }

/* 加解密示範 */
.ee-demo-input { background: var(--ee-surface); border: 1px solid var(--ee-line); border-radius: 10px; padding: 16px; display: grid; gap: 10px; }
.ee-demo-input label { font-size: 0.9em; color: var(--ee-muted); }
.ee-demo-input input { font: 15px/1.4 var(--ee-mono); color: var(--ee-fg); background: var(--ee-bg); border: 1.5px solid var(--ee-line); border-radius: 8px; padding: 10px 12px; width: 100%; min-width: 0; }
.ee-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.ee-act { font: 600 14px/1 inherit; font-family: inherit; padding: 10px 16px; border-radius: 8px; border: 1.5px solid var(--ee-fg); background: var(--ee-fg); color: #fff; cursor: pointer; }
.ee-act.ghost { background: transparent; color: var(--ee-fg); }
.ee-small { font-size: 0.85em; color: var(--ee-muted); margin: 0; }
.ee ol.ee-trace { list-style: none; margin: 12px 0 0; padding: 0; background: var(--ee-surface); border: 1px solid var(--ee-line); border-radius: 10px; counter-reset: t; }
.ee ol.ee-trace li { counter-increment: t; display: grid; grid-template-columns: 2em 10em 1fr; gap: 4px 12px; padding: 12px 14px; border-bottom: 1px solid var(--ee-line); margin: 0; align-items: start; }
.ee ol.ee-trace li:last-child { border-bottom: 0; }
.ee ol.ee-trace li::before { content: counter(t); grid-row: span 2; font: 600 12px/22px var(--ee-mono); text-align: center; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--ee-fg); }
.ee ol.ee-trace.dec li::before { border-color: var(--ee-kek); color: var(--ee-kek); }
.ee-tk { font-weight: 700; }
.ee-tv { font: 13px/1.6 var(--ee-mono); word-break: break-all; min-width: 0; margin: 0; }
.ee-tv.json { white-space: pre-wrap; background: var(--ee-bg); border-radius: 6px; padding: 10px 12px; }
.ee-tv.struck { text-decoration: line-through; color: var(--ee-muted); }
.ee-tn { grid-column: 3; font-size: 0.85em; color: var(--ee-muted); min-width: 0; }

/* 輪換 */
.ee-rotate { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ee-rotate > div { background: var(--ee-surface); border: 1px solid var(--ee-line); border-radius: 10px; padding: 14px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.ee-rotate h4 { margin: 0; font-size: 0.95em; }
.ee-chip { font: 12px/1.4 var(--ee-mono); padding: 6px 8px; border-radius: 6px; border: 1.5px solid var(--ee-line); color: var(--ee-muted); }
.ee-chip.d { border-color: var(--ee-dek); background: var(--ee-dek-bg); color: var(--ee-fg); }
.ee-chip.changed { box-shadow: 0 0 0 2px var(--ee-kek); }

/* 攻擊情境切換 */
.ee-scen-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.ee-scen-buttons button { font: 500 14px/1.3 inherit; font-family: inherit; color: var(--ee-fg); background: var(--ee-surface); border: 1.5px solid var(--ee-line); border-radius: 999px; padding: 8px 14px; cursor: pointer; }
.ee-scen-buttons button[aria-pressed="true"] { background: var(--ee-fg); color: #fff; border-color: var(--ee-fg); }
.ee-result { background: var(--ee-surface); border: 1px solid var(--ee-line); border-radius: 10px; padding: 16px 18px; margin-top: 12px; }
.ee-result dl { margin: 10px 0 0; display: grid; grid-template-columns: 7em 1fr; gap: 6px 12px; }
.ee-result dt { color: var(--ee-muted); font-size: 0.9em; padding-top: 2px; }
.ee-result dd { margin: 0; min-width: 0; }
.ee-pill { display: inline-block; font-weight: 600; font-size: 0.85em; line-height: 1; padding: 6px 10px; border-radius: 999px; }
.ee-pill.safe { color: var(--ee-safe); background: var(--ee-safe-bg); }
.ee-pill.danger { color: var(--ee-danger); background: var(--ee-danger-bg); }
.ee-pill.warn { color: var(--ee-dek); background: var(--ee-dek-bg); }

.ee button:focus-visible, .ee a:focus-visible, .ee input:focus-visible { outline: 2px solid var(--ee-kek); outline-offset: 2px; }

/* series.css 只在這個系列的頁面載入，以下兩條只影響系列文章裡的 markdown 表格與行內 code */
article code { overflow-wrap: anywhere; }

@media (max-width: 640px) {
  article table { display: block; overflow-x: auto; }
  .ee-cards, .ee-cards.two, .ee-rotate { grid-template-columns: 1fr; }
  .ee ol.ee-trace li { grid-template-columns: 2em 1fr; }
  .ee-tk, .ee-tv, .ee-tn { grid-column: 2; }
  .ee ol.ee-trace li::before { grid-row: span 3; }
  .ee-result dl { grid-template-columns: 1fr; gap: 2px; }
  .ee-result dd { margin-bottom: 8px; }
}
/* 寬螢幕放寬內文欄，讓主圖不必橫向捲動；右側目錄跟著移，避免重疊 */
@media (min-width: 1340px) {
  body, .navbar-inner { max-width: min(1060px, calc(100vw - 480px)); }
  .sidebar { right: calc((100vw - min(1060px, calc(100vw - 480px))) / 2 - 220px); }
}
/* 不支援 Web Crypto 時的提示（series.js 動態加上） */
.ee .ee-warn { color: var(--ee-dek); background: var(--ee-dek-bg); border-left: 4px solid var(--ee-dek); padding: 8px 12px; border-radius: 4px; }