/* ArLink bulut paneli — koyu tema, ArLink vurgu rengi (#5b8cff). Sade ve tasima. */
:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --line: #2a2f3a;
  --text: #e7eaf0; --muted: #9aa3b2; --accent: #5b8cff; --accent-2: #3f6fe0;
  --ok: #22c55e; --off: #6b7280; --danger: #ff6b6b; --warn: #ffb020;
  --radius: 14px; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.sm { font-size: 13px; }
.hidden { display: none !important; }

/* ust bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 20px; font-weight: 700; letter-spacing: .3px; }
.brand span { color: var(--accent); }
.brand small { color: var(--muted); font-weight: 500; font-size: 12px; }
.topbar nav { display: flex; align-items: center; gap: 14px; }
.topbar .who { color: var(--muted); font-size: 13px; }
.inline { display: inline; margin: 0; }

.wrap { max-width: 920px; margin: 0 auto; padding: 22px 18px 60px; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 24px 0 40px; }

h1 { font-size: 24px; margin: 4px 0 16px; }
h2 { font-size: 18px; margin: 0 0 10px; }
h3 { font-size: 16px; margin: 0; }

/* kartlar */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin: 0 0 16px;
}
.card.auth { max-width: 420px; margin: 8vh auto 0; }
.card.empty { color: var(--muted); text-align: center; }

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.foot-row { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.stack { display: flex; flex-direction: column; gap: 12px; }

/* formlar */
label { display: block; font-size: 13px; color: var(--muted); }
input {
  width: 100%; margin-top: 5px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  font-size: 15px;
}
input:focus { outline: 2px solid var(--accent); border-color: transparent; }

/* butonlar */
.btn {
  appearance: none; cursor: pointer; border: 1px solid var(--line);
  background: var(--panel2); color: var(--text); padding: 9px 14px;
  border-radius: 10px; font-size: 14px; font-weight: 600; transition: .12s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #0b0e14; }
.btn.primary:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 10px; font-size: 13px; }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }

.switch { margin-top: 14px; color: var(--muted); font-size: 14px; }
.alert { padding: 10px 12px; border-radius: 10px; margin: 6px 0 12px; font-size: 14px; }
.alert.err { background: rgba(255,107,107,.12); color: #ffb4b4; border: 1px solid rgba(255,107,107,.3); }

/* cihaz izgarasi */
.devices { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.device .serial { color: var(--muted); font-size: 12px; margin: 2px 0 12px; }
.cmds { display: flex; flex-wrap: wrap; gap: 8px; }
.adv { margin-top: 12px; }
.adv summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.adv .row { margin-top: 10px; }
.adv input { width: auto; flex: 1; min-width: 90px; }
.log {
  margin: 12px 0 0; padding: 10px; min-height: 0; max-height: 160px; overflow: auto;
  background: #0b0e14; border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--mono); font-size: 12px; color: #cfe0ff; white-space: pre-wrap; word-break: break-word;
}
.log:empty { display: none; }

/* durum noktasi */
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; background: var(--off);
       box-shadow: 0 0 0 3px rgba(107,114,128,.18); vertical-align: middle; margin-right: 6px; }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px rgba(34,197,94,.2); }
.dot.off { background: var(--off); box-shadow: 0 0 0 3px rgba(107,114,128,.18); }

/* tablolar (admin) */
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.tag { padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--panel2); }
.tag.admin { background: rgba(91,140,255,.18); color: var(--accent); }

/* baglanti durumu seridi */
.wsbar { font-size: 12px; color: var(--muted); margin: -8px 0 14px; }
.wsbar b.on { color: var(--ok); } .wsbar b.off { color: var(--danger); }