/* IR Tunnel panel — self-contained, no external fonts or libraries.
   The Iran server cannot rely on reaching a CDN, so everything is local. */

:root {
  --bg:      #0f1216;
  --panel:   #171b21;
  --panel2:  #1e242c;
  --line:    #2a323c;
  --text:    #e6e9ee;
  --muted:   #93a0b0;
  --accent:  #3ea6ff;
  --ok:      #34d17f;
  --warn:    #f0b429;
  --danger:  #f2554d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 "Segoe UI", Tahoma, system-ui, sans-serif;
}

code, pre, .key, .log, .mono { font-family: Consolas, "Courier New", monospace; direction: ltr; text-align: left; }

/* ------------------------------------------------------------------ gate */
.gate {
  max-width: 380px; margin: 14vh auto; padding: 28px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  text-align: center;
}
.gate h1 { margin: 0 0 18px; font-size: 20px; }
.gate input { width: 100%; margin-bottom: 12px; }
.gate button { width: 100%; }

/* ---------------------------------------------------------------- layout */
.wrap { max-width: 1000px; margin: 0 auto; padding: 20px 16px 60px; }

header {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
header h1 { margin: 0; font-size: 19px; }
nav { display: flex; flex-wrap: wrap; gap: 6px; }

h2 { font-size: 16px; margin: 26px 0 10px; }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--muted); font-weight: 600; }

.hint { color: var(--muted); font-size: 13px; margin: 6px 0 12px; }

/* --------------------------------------------------------------- controls */
button {
  padding: 8px 15px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  font: inherit; font-size: 14px;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: progress; }
button.primary { background: var(--accent); border-color: var(--accent); color: #04121e; font-weight: 600; }
button.danger  { background: transparent; border-color: var(--danger); color: var(--danger); }
button.danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
button.ghost   { background: transparent; color: var(--muted); }
button.tab.on  { border-color: var(--accent); color: var(--accent); }

input, textarea {
  padding: 8px 10px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
  font: inherit; font-size: 14px; width: 100%;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }

label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
label input, label textarea { margin-top: 5px; }
label.chk { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
label.chk input { width: auto; margin: 0; }

fieldset {
  border: 1px solid var(--line); border-radius: 10px;
  padding: 16px; margin: 0 0 18px;
}
legend { padding: 0 8px; color: var(--accent); font-size: 13px; }

.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0; }
.row input { width: auto; flex: 1 1 200px; }

/* ------------------------------------------------------------------ cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 16px;
}
.card .body { font-size: 14px; }
.card .body div { margin: 3px 0; }

.pill { display: inline-block; padding: 1px 9px; border-radius: 20px; font-size: 12px; }
.pill.ok    { background: rgba(52,209,127,.15); color: var(--ok); }
.pill.bad   { background: rgba(242,85,77,.15);  color: var(--danger); }
.pill.warn  { background: rgba(240,180,41,.15); color: var(--warn); }

/* ----------------------------------------------------------------- output */
.out {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 12px 14px; margin: 12px 0;
  white-space: pre-wrap; word-break: break-word; font-size: 13px;
}
.out.small { font-size: 12px; padding: 9px 11px; margin: 8px 0 0; }
.out.bad { border-left-color: var(--danger); }
.out.good { border-left-color: var(--ok); }

.key, .log {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; font-size: 12px; overflow-x: auto; white-space: pre-wrap;
  word-break: break-all; margin: 0;
}
.log { max-height: 420px; overflow-y: auto; white-space: pre; word-break: normal; }

.err { color: var(--danger); font-size: 13px; }

/* ------------------------------------------------------------------ table */
table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
th, td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td .mono { font-size: 12px; }
td button { padding: 4px 10px; font-size: 12px; margin-left: 4px; }

tr.off { opacity: .55; }

table.kv { margin-top: 10px; }
table.kv th { width: 34%; text-align: right; }
table.kv td { direction: ltr; text-align: left; }

.qr { text-align: center; padding: 20px; background: #fff; border-radius: 10px; margin-top: 18px; }
.qr svg { max-width: 300px; height: auto; }

@media (max-width: 620px) {
  header { flex-direction: column; align-items: stretch; }
  /* Scoped to the device table: the SSH table keeps its buttons in the
     last column, and hiding it by position would take them with it. */
  #clientTable th:nth-child(4), #clientTable td:nth-child(4),
  #clientTable th:nth-child(5), #clientTable td:nth-child(5),
  #clientTable th:nth-child(6), #clientTable td:nth-child(6) { display: none; }
  #sshUserTable th:nth-child(3), #sshUserTable td:nth-child(3) { display: none; }
}

/* ------------------------------------------------- inline config viewer */
.cfgbox {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 16px; margin-top: 16px;
}
.cfgtabs { display: flex; gap: 6px; margin-bottom: 14px; }
.cfgtab { font-size: 13px; }
.cfgtab.on { border-color: var(--accent); color: var(--accent); }
.cfgbox .qr { max-width: 300px; margin: 0 auto 14px; padding: 12px; }
.cfgbox .key { max-height: 260px; overflow-y: auto; }