:root {
  --primary: #F26A21;   /* talkOBD turuncu */
  --accent: #2563EB;    /* talkOBD mavi */
  --bg: #0f1720;
  --card: #161d29;
  --text: #ffffff;
  --muted: #94a3b8;
  --border: #263042;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px; max-width: 560px; width: 100%; box-shadow: 0 8px 32px rgba(0,0,0,.35);
}
.logo { font-size: 22px; font-weight: 800; color: var(--primary); margin-bottom: 4px; letter-spacing: .3px; }
h1 { font-size: 24px; margin-bottom: 8px; }
.subtitle { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
select, input {
  width: 100%; padding: 12px 14px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; font-size: 14px; font-weight: 500;
}
.row { margin-bottom: 18px; }
.lic-box { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 22px; }
.lic-row { display: flex; gap: 10px; }
.lic-row input { flex: 1; }
button.act {
  background: var(--accent); color: #fff; border: none; border-radius: 10px;
  padding: 12px 16px; font-size: 14px; font-weight: 600; cursor: pointer; white-space: nowrap;
}
button.act:disabled { opacity: .5; cursor: default; }
.lic-status { font-size: 12.5px; margin-top: 10px; min-height: 18px; }
.ok { color: #34d399; }
.err { color: #f87171; }
.muted { color: var(--muted); }
.step { display: flex; gap: 12px; margin-bottom: 12px; align-items: flex-start; }
.step-num { flex-shrink: 0; width: 26px; height: 26px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; }
.step-text { font-size: 13.5px; line-height: 1.5; padding-top: 3px; }
.step-text strong { color: var(--primary); }
.actions { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; align-items: center; }
esp-web-install-button { --esp-tools-button-color: var(--primary); --esp-tools-button-text-color: #fff; --esp-tools-button-border-radius: 10px; }
.compat { font-size: 11px; color: var(--muted); text-align: center; margin-top: 10px; }
.compat strong { color: #fbbf24; }
.footer { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 11px; color: var(--muted); text-align: center; }
.hidden { display: none; }