* { box-sizing: border-box; margin: 0; }
body {
  background: #0b0b0d; color: #e8e8ea;
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}
body.centered { display: flex; align-items: center; justify-content: center; padding: 24px; }

header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px; border-bottom: 1px solid #1e1e22;
}
.logo { width: 140px; display: block; margin: 0 auto 14px; }
.logo-sm { height: 22px; }
.tag { color: #77777d; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.spacer { flex: 1; }
.muted { color: #77777d; }

main { max-width: 860px; margin: 26px auto; padding: 0 18px; display: grid; gap: 18px; }
.card {
  background: #131316; border: 1px solid #222228; border-radius: 12px; padding: 20px 22px;
}
.card.narrow { width: 360px; }
h1 { font-size: 20px; margin-bottom: 12px; text-align: center; }
h2 { font-size: 16px; margin-bottom: 8px; }

label { display: block; margin: 10px 0; color: #b9b9bf; font-size: 13px; }
input[type=email], input[type=password], input[type=text], input[type=url] {
  width: 100%; margin-top: 4px; padding: 9px 11px;
  background: #0b0b0d; color: #e8e8ea; border: 1px solid #2c2c33; border-radius: 8px; font-size: 14px;
}
input:focus { outline: none; border-color: #55555e; }
.code-input { width: 130px; font-size: 20px; letter-spacing: .3em; text-align: center; }

button, .btn {
  padding: 9px 16px; border-radius: 8px; border: 1px solid #e8e8ea;
  background: #e8e8ea; color: #0b0b0d; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: #fff; }
button.ghost, .btn.ghost {
  background: transparent; color: #e8e8ea; border-color: #3a3a42;
}
button.ghost:hover, .btn.ghost:hover { border-color: #77777d; background: transparent; }
button.danger { background: transparent; color: #ff6b6b; border-color: #5a2a2a; }
button.small { padding: 6px 10px; font-size: 13px; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 8px; }

.flash { background: #14231a; border: 1px solid #245534; color: #9fdcb2; padding: 10px 14px; border-radius: 8px; }
.err { color: #ff6b6b; margin: 8px 0; }
.ok { color: #9fdcb2; margin: 8px 0; }
.warn { color: #e8c66b; margin: 8px 0; }
.foot { text-align: center; color: #55555b; font-size: 12px; margin: 24px 0; }

.device { border-top: 1px solid #222228; padding: 14px 0; }
.device:first-child { border-top: none; }
.device .head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.device .name { font-weight: 600; font-size: 15px; }
.badge { font-size: 12px; padding: 2px 9px; border-radius: 20px; }
.badge.on  { background: #14231a; color: #9fdcb2; border: 1px solid #245534; }
.badge.off { background: #231414; color: #dc9f9f; border: 1px solid #553424; }
.device .meta { color: #77777d; font-size: 13px; margin: 3px 0 8px; }
.device .meta.stats { color: #9a9aa2; margin-top: -4px; }
.device form.url { display: flex; gap: 8px; align-items: center; }
.device form.url input { flex: 1; }
.device img.shot {
  margin-top: 10px; max-height: 140px; border: 1px solid #2c2c33; border-radius: 8px; display: block;
}
select.rot {
  background: #0b0b0d; color: #e8e8ea; border: 1px solid #2c2c33; border-radius: 8px;
  padding: 5px 8px; font-size: 13px;
}