/* Offline e-Book app (/offline/). The reader itself uses front.css. */
:root { --green: #0f3d2e; --green-2: #1b5a43; --green-soft: #e8f0ec; --ink: #1d2420; --muted: #5d6a63; --line: #e2ddd0; --bg: #f6f4ee; }
* { box-sizing: border-box; }
body.sasb-app { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
.sasb-app__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; background: var(--green); color: #fff; }
.sasb-app__net { font-size: 12px; padding: 3px 10px; border-radius: 99px; background: rgba(255, 255, 255, .15); white-space: nowrap; }
.sasb-app__net.is-on::before, .sasb-app__net.is-off::before { content: "● "; }
.sasb-app__net.is-on::before { color: #7be0a6; }
.sasb-app__net.is-off::before { color: #f3b664; }
.sasb-app__main [data-shelf] { width: min(100% - 32px, 860px); margin: 24px auto 48px; }
.sasb-app__main h1 { font-family: Georgia, serif; color: var(--green); margin: 0 0 6px; font-size: 26px; }
.sasb-app__meta { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.sasb-app__msg { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.sasb-app__msg.is-warn { border-color: #e9c27a; background: #fff8ea; }
.sasb-app__list { display: grid; gap: 12px; }
.sasb-app__book { display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.sasb-app__book small { color: var(--muted); grid-column: 1; }
.sasb-app__book.is-online { background: transparent; border-style: dashed; }
.sasb-app__actions { grid-column: 2; grid-row: 1 / span 2; display: flex; gap: 8px; }
.sasb-app [hidden] { display: none !important; }
.sasb-app .sasb-reader { padding-bottom: 48px; }
.sasb-app .sasb-bar { top: 0; }
@media (max-width: 560px) {
	.sasb-app__book { grid-template-columns: 1fr; }
	.sasb-app__actions { grid-column: 1; grid-row: auto; margin-top: 8px; }
}