/* Klientska zóna DubLane — bez externých písiem a zdrojov (CSP 'self'). */
:root {
  --bg: #f6f6f4; --fg: #1b1c1e; --muted: #6b6d72; --card: #ffffff; --line: #dcdcd8;
  --accent: #c8102e; --accent-fg: #ffffff; --ok: #1f7a3d; --err: #b3261e; --warn: #9a6700;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141518; --fg: #ececec; --muted: #9a9ca2; --card: #1d1f23; --line: #33363c;
          --accent: #e0384f; --ok: #59c27d; --err: #ff8a80; --warn: #e3b341; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
       font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent); }
.top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding: 14px 16px;
       border-bottom: 1px solid var(--line); background: var(--card); }
.brand { font-weight: 700; font-size: 18px; color: var(--fg); text-decoration: none; }
.brand span { font-weight: 400; color: var(--muted); }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; flex: 1; }
nav a { color: var(--fg); text-decoration: none; }
nav a:hover { color: var(--accent); }
.lang { margin-left: auto; color: var(--muted); }
.lang .on { font-weight: 700; color: var(--fg); }
@media (max-width: 600px) { nav { order: 3; flex-basis: 100%; } }
main { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 26px; margin: 8px 0 16px; }
h2 { font-size: 18px; margin: 0 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin: 0 0 16px; }
form.card { display: flex; flex-direction: column; gap: 12px; max-width: 460px; }
form.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; max-width: none; }
form.grid .wide { grid-column: 1 / -1; }
@media (max-width: 600px) { form.grid { grid-template-columns: 1fr; } }
label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
label.check { flex-direction: row; align-items: flex-start; gap: 8px; color: var(--fg); }
input, select { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line);
                border-radius: 6px; padding: 9px 10px; width: 100%; }
input[type=checkbox] { width: auto; margin-top: 4px; }
button, .button { font: inherit; display: inline-block; text-align: center; text-decoration: none; cursor: pointer;
                  background: var(--accent); color: var(--accent-fg); border: 1px solid var(--accent);
                  border-radius: 6px; padding: 9px 16px; }
button.secondary, .button.secondary { background: transparent; color: var(--fg); border-color: var(--line); }
button.small { padding: 4px 10px; font-size: 14px; }
button.link { background: none; border: 0; padding: 0; color: inherit; cursor: pointer; }
button:disabled { opacity: .5; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }
.msg { border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; border: 1px solid var(--line); background: var(--card); }
.msg.ok { border-color: var(--ok); color: var(--ok); }
.msg.error { border-color: var(--err); color: var(--err); }
.banner { border: 1px solid var(--warn); color: var(--warn); border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.key { font-size: 20px; letter-spacing: .5px; padding: 12px; border: 1px dashed var(--line); border-radius: 8px;
       word-break: break-all; user-select: all; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0 0 8px; }
dt { color: var(--muted); }
dd { margin: 0; }
.lic.state-expired, .lic.state-revoked { opacity: .65; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0; }
th, td { text-align: left; padding: 6px 8px; border-top: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 400; }
.sha { word-break: break-all; color: var(--muted); }
.computers, .downloads { display: block; overflow-x: auto; }
dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--fg);
         max-width: min(560px, calc(100vw - 32px)); padding: 20px; }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
footer { max-width: 860px; margin: 0 auto; padding: 16px; border-top: 1px solid var(--line); }
[hidden] { display: none !important; }