/* Accounts, sharing and view-only mode (server mode only: js/views/account.js, js/views/sharing.js). */

/* ---------- sign-in gate: full screen, brand gradient, one card ---------- */
body.gated { overflow: hidden; }
.gate { position: fixed; inset: 0; z-index: 150; overflow: auto; background: var(--rail-bg); display: flex; }
.gate-inner { margin: auto; padding: 32px 16px; width: 100%; max-width: 440px; box-sizing: border-box; }
.gate-card { background: var(--surface); color: var(--text); border-radius: var(--r-card); box-shadow: var(--shadow-pop); padding: 28px 28px 24px; }
.gate-brand { display: flex; align-items: center; gap: 10px; font-size: var(--fs-lg); font-weight: 650; color: var(--text); margin-bottom: 20px; letter-spacing: .01em; }
.gate-card h1 { font-size: var(--fs-xl); line-height: 1.25; margin: 0 0 6px; }
.gate-sub { color: var(--text-2); font-size: var(--fs-sm); line-height: 1.5; margin: 0 0 18px; }
.gate-form { margin-top: 4px; }
.gate-form .field { margin-bottom: 14px; }
.gate-form .input { height: 36px; font-size: var(--fs-md); }
.gate-form .input[readonly], .input[data-ctl=pref-username][readonly] { background: var(--surface-2); color: var(--text-2); }
.gate-rule { margin: -8px 0 12px; }
.gate-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.gate-submit { height: 36px; padding: 0 18px; font-size: var(--fs-md); }
.gate-msg { margin: 4px 0 0; padding: 8px 10px; border-radius: var(--r-ctl); font-size: var(--fs-sm); line-height: 1.45; }
.gate-msg[hidden] { display: none; }
.gate-msg.error { background: var(--danger-bg); color: var(--danger); }
.gate-msg.ok { background: var(--ok-bg); color: var(--ok); }
.gate-msg.info { background: var(--info-bg); color: var(--info); }
.gate-extra:not(:empty) { margin-top: 10px; }
.gate-alt { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--line-2); font-size: var(--fs-sm); }
.gate-policy { display: flex; gap: 8px; align-items: flex-start; margin: 4px 0 8px; padding: 10px 12px; border: 1px solid var(--warn); border-radius: var(--r-ctl); background: var(--warn-bg); color: var(--text); font-size: var(--fs-sm); line-height: 1.45; cursor: pointer; }
.gate-policy input { margin-top: 3px; flex: none; }
.gate-foot { text-align: center; color: rgba(255, 255, 255, .8); font-size: var(--fs-xs); margin: 16px 0 0; }
.linkish { border: 0; background: none; padding: 0; color: var(--link); font: inherit; font-size: var(--fs-sm); cursor: pointer; }
.linkish:hover { text-decoration: underline; }

/* ---------- top bar: Share and the account menu ---------- */
.top-share { margin-left: 4px; }
.top-account { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; padding: 0; border: 0; border-radius: 50%; background: none; margin-left: 2px; }
.top-account .av, .share-row .av { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: var(--brand-800); color: #fff; font-size: 11px; font-weight: 650; letter-spacing: .02em; }
:root[data-theme=dark] .top-account .av, :root[data-theme=dark] .share-row .av { background: var(--brand-300); color: var(--brand-900); }
.top-account:hover .av, .top-account:focus-visible .av { box-shadow: 0 0 0 3px var(--focus-halo); }

/* ---------- rail footer: regulated-data note ---------- */
.rail .data-note { flex: none; margin: 6px 10px 10px; padding: 6px 8px; border-radius: var(--r-sm); background: rgba(255, 255, 255, .07); color: var(--rail-text-2); font-size: 11px; line-height: 1.35; }
.shell[data-rail=icons] .rail .data-note { display: none; }

/* ---------- Account page ---------- */
.acct-page { max-width: 820px; }
.acct-card { margin-bottom: 16px; }
.acct-card .card-head h2 { font-size: var(--fs-md); margin: 0; }
.acct-sub { color: var(--text-2); font-size: var(--fs-sm); margin: 0 0 12px; line-height: 1.5; }
.acct-form { max-width: 420px; }
.acct-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.acct-card .card-body > .acct-row { margin-top: 12px; }
.acct-msg { font-size: var(--fs-sm); }
.acct-msg[hidden] { display: none; }
.acct-msg.error { color: var(--danger); }
.acct-msg.ok { color: var(--ok); }
.acct-note { font-size: var(--fs-sm); background: var(--info-bg); color: var(--info); padding: 6px 10px; border-radius: var(--r-ctl); }
.acct-sessions { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.acct-sessions th { text-align: left; font-weight: 600; color: var(--text-2); }
.acct-sessions th, .acct-sessions td { padding: 6px 8px; border-bottom: 1px solid var(--line-2); }
.acct-act { text-align: right; white-space: nowrap; display: flex; gap: 6px; justify-content: flex-end; }
td.acct-act { display: table-cell; }
.acct-list { list-style: none; margin: 0; padding: 0; }
.acct-list li { display: flex; align-items: center; gap: 12px; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line-2); font-size: var(--fs-sm); }
.acct-list li:last-child { border-bottom: 0; }

/* ---------- Sharing dialog ---------- */
.share { display: flex; flex-direction: column; gap: 18px; min-width: min(560px, 80vw); }
.share-sec h3 { font-size: var(--fs-sm); margin: 0 0 8px; color: var(--text-2); text-transform: none; }
.share-invite { display: flex; gap: 8px; }
.share-invite .input[type=email] { flex: 1; }
.share-role { width: auto; min-width: 104px; }
.share-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--r-card); }
.share-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-bottom: 1px solid var(--line-2); }
.share-row:last-child { border-bottom: 0; }
.share-row .av.pending { background: var(--surface-2); color: var(--text-2); }
.share-who { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.share-who strong, .share-who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-more { width: 28px; flex: none; }
.share-note { margin: 0; padding: 8px 10px; background: var(--info-bg); color: var(--info); border-radius: var(--r-ctl); font-size: var(--fs-sm); }
.share-legend dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 0; font-size: var(--fs-sm); }
.share-legend dt { font-weight: 600; }
.share-legend dd { margin: 0; color: var(--text-2); }

/* ---------- view-only mode (viewers) ---------- */
.ro-banner { display: flex; align-items: center; gap: 10px; padding: 5px 16px; background: var(--info-bg); color: var(--info); border-bottom: 1px solid var(--line); font-size: var(--fs-sm); flex: none; }
.ro-banner strong { font-weight: 650; }
.ro-banner .linkish { margin-left: auto; }
[data-ro][aria-disabled=true] { pointer-events: none; opacity: .45; }
:root[data-readonly] .rt-field { cursor: default; }
#app[hidden] { display: none !important; }
/* Viewers: palettes that only add content are hidden (whiteboard tools and properties, diagram annotations). */
:root[data-readonly] .wb-rail, :root[data-readonly] .wb-props, :root[data-readonly] .annot-pal { display: none !important; }
.top-share[hidden] { display: none; }
.acct-card .card-body > p:first-child { margin-top: 0; }
.top-ai:disabled { opacity: .45; cursor: default; filter: grayscale(.6); }
.share-row .av.pending { font-size: 14px; }
/* Viewers: fields in the page and the inspector read as static text (no box, no arrow, no resize grip). */
:root[data-readonly] :is(#main, #insp) :is(input:not([type=checkbox], [type=radio], [type=range], [type=color], [type=file]), textarea, select):is(:disabled, [readonly], [data-ro]) {
  border-color: transparent; background: transparent; box-shadow: none; color: var(--text); -webkit-text-fill-color: var(--text);
  opacity: 1; cursor: default; resize: none; appearance: none; -webkit-appearance: none; padding-left: 0; padding-right: 0; }
:root[data-readonly] :is(#main, #insp) input[type=datetime-local]:disabled::-webkit-calendar-picker-indicator { display: none; }
:root[data-readonly] :is(#main, #insp) :is(input, textarea):is(:disabled, [readonly])::placeholder { color: transparent; -webkit-text-fill-color: transparent; }
:root[data-readonly] :is(#main, #insp) :is(input, textarea):is(:disabled, [readonly])[placeholder="—"]::placeholder { color: var(--text-3); -webkit-text-fill-color: var(--text-3); }
:root[data-readonly] [data-ro]:is(input, textarea, select) { cursor: default; }
:root[data-readonly] [data-ro]:is(button, .btn):disabled { opacity: .4; }