/* Giriş/kurulum sayfası: terminalle aynı koyu tema ve yazı; oturumsuz açılır (styles.css açık değil). */
:root{color-scheme:dark;--bg:#131722;--panel:#1e222d;--border:#2a2e39;--text:#d1d4dc;--muted:#787b86;--blue:#2962ff;--down:#ef5350}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:14px -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
.auth{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:24px 16px}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;white-space:nowrap}
.card{width:min(380px,100%);display:flex;flex-direction:column;gap:16px;padding:26px 24px;background:var(--panel);border:1px solid #434651;border-radius:10px;box-shadow:0 20px 70px #0006}
.card[hidden]{display:none}
h1{margin:0;font-size:19px;font-weight:600}
.lead{margin:-6px 0 0;color:var(--muted);font-size:13px;line-height:1.55}
label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#b2b5be}
label[hidden]{display:none}
input{font:inherit;font-size:15px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:11px 12px;min-width:0;outline:0}
input:focus{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
input[name=code]{font-size:24px;letter-spacing:.45em;text-align:center;font-variant-numeric:tabular-nums}
button{font:inherit;border:0;border-radius:6px;cursor:pointer}
.primary{background:var(--blue);color:#fff;padding:12px;font-size:15px;font-weight:500}
.primary:hover{background:#1e53e5}
.primary:disabled{opacity:.6;cursor:progress}
.link{background:none;color:var(--muted);padding:4px;align-self:center;font-size:13px}
.link:hover{color:var(--text)}
.error{margin:0;padding:10px 12px;border-radius:6px;background:color-mix(in srgb,var(--down) 14%,transparent);color:#f7a9a7;font-size:13px;line-height:1.5}
.error[hidden]{display:none}
.foot{margin:0;color:var(--muted);font-size:12px}
@media(max-width:420px){.card{padding:22px 18px}.brand{font-size:18px}}