/* MB Computers - SIP edge management UI (no external CSS/CDN: CSP allows 'self' only) */
:root {
  --bg: #0f1115; --panel: #171a21; --line: #262b36; --fg: #e6e9ef; --muted: #98a2b3;
  --accent: #4f8cff; --ok: #2fbf71; --warn: #f2b23e; --err: #ef5b5b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
       font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #0b0d11; padding: .1em .35em; border-radius: 4px; font-size: .92em; }

.topbar { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
          padding: .75rem 1.25rem; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; }
.logo { background: var(--accent); color: #fff; border-radius: 6px; padding: .1em .4em; margin-right: .4em; }
.topbar nav { display: flex; gap: .9rem; flex-wrap: wrap; }
main { max-width: 1100px; margin: 1.5rem auto; padding: 0 1.25rem; }
footer { max-width: 1100px; margin: 2rem auto; padding: 1rem 1.25rem; color: var(--muted);
         border-top: 1px solid var(--line); font-size: .88em; }

h1 { font-size: 1.4rem; } h2 { font-size: 1.05rem; margin-top: 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
        padding: 1rem 1.25rem; margin: 1rem 0; }
.card.narrow { max-width: 420px; }

label { display: flex; flex-direction: column; gap: .25rem; font-size: .9em; color: var(--muted); }
input, select { background: #0b0d11; color: var(--fg); border: 1px solid var(--line);
                border-radius: 6px; padding: .5rem .6rem; font: inherit; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 6px;
         padding: .55rem .9rem; font: inherit; cursor: pointer; }
button.link { background: none; color: var(--accent); padding: .2rem .3rem; }
button.danger, button.link.danger { color: var(--err); }
button[disabled] { opacity: .5; cursor: not-allowed; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: .75rem; align-items: end; }
.inline { display: inline; }
table { width: 100%; border-collapse: collapse; font-size: .92em; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line);
         vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
tr.disabled td { opacity: .55; }
td.detail { max-width: 26rem; word-break: break-word; }
td.actions { white-space: nowrap; }
.tag { background: #24303f; color: var(--muted); border-radius: 999px; padding: 0 .5em;
       font-size: .8em; }
.muted { color: var(--muted); }
.ok { color: var(--ok); } .warn { color: var(--warn); } .error { color: var(--err); }
pre.scroll { max-height: 22rem; overflow: auto; background: #0b0d11; padding: .75rem;
             border-radius: 8px; border: 1px solid var(--line); font-size: .85em; }