/* Shared login page styles — used by /index.php and /hub/login.php */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f1f5f9; --surface: #ffffff; --border: #e2e8f0;
  --text: #0f172a; --mute: #64748b; --primary: #2563eb; --primary-d: #1d4ed8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f172a; --surface: #1e293b; --border: #334155;
          --text: #f1f5f9; --mute: #94a3b8; --primary: #3b82f6; --primary-d: #60a5fa; }
}
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: 20px;
}
.box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px 36px; width: 100%; max-width: 360px;
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
}
.logo  { text-align: center; font-size: 2.8rem; margin-bottom: 6px; }
.title { text-align: center; font-size: 1.25rem; font-weight: 800; margin-bottom: 2px; }
.sub   { text-align: center; font-size: .83rem; color: var(--mute); margin-bottom: 28px; }
label  { display: block; font-size: .78rem; font-weight: 600; color: var(--mute); margin-bottom: 4px; }
input[type=text], input[type=password], select {
  width: 100%; padding: 10px 13px; font-size: .95rem;
  border: 1px solid var(--border); border-radius: 9px;
  background: var(--bg); color: var(--text); margin-bottom: 14px; transition: border-color .15s;
}
input:focus, select:focus { outline: none; border-color: var(--primary); }
.btn {
  width: 100%; padding: 11px; font-size: .95rem; font-weight: 700;
  background: var(--primary); color: #fff; border: none; border-radius: 9px;
  cursor: pointer; transition: background .15s;
}
.btn:hover { background: var(--primary-d); }
.err {
  background: #fef2f2; border: 1px solid #fca5a5; color: #dc2626;
  border-radius: 8px; padding: 9px 13px; font-size: .83rem; margin-bottom: 16px;
}