:root {
  --bg: #111827;
  --card: rgba(255,255,255,0.96);
  --text: #162033;
  --muted: #667085;
  --accent: #b91c1c;
  --line: rgba(22,32,51,0.14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(185,28,28,0.32), transparent 32%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.10), transparent 34%),
    linear-gradient(135deg, #0f172a, #1f2937 58%, #111827);
  color: var(--text);
}
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}
.login-card {
  width: min(440px, 100%);
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.55);
  box-shadow: 0 26px 70px rgba(0,0,0,0.35);
  border-radius: 28px;
  padding: 30px;
}
.brand-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  display: flex;
  justify-content: center;
  margin-bottom: 18px;
}
.brand-logo { max-width: 245px; max-height: 92px; object-fit: contain; }
.title-block { text-align: center; margin-bottom: 22px; }
h1 { margin: 0; font-size: 42px; letter-spacing: 0.08em; }
p { margin: 8px 0 0; color: var(--muted); }
.login-form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; font-weight: 700; font-size: 13px; color: #344054; }
input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 13px 14px;
  font-size: 15px;
  outline: none;
}
input:focus { border-color: rgba(185,28,28,0.65); box-shadow: 0 0 0 4px rgba(185,28,28,0.12); }
.password-row { position: relative; }
.password-row input { padding-right: 48px; }
.password-row button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 10px;
  background: #f2f4f7;
  cursor: pointer;
}
.submit-btn {
  border: 0;
  border-radius: 15px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 15px;
  margin-top: 4px;
}
.submit-btn:disabled { opacity: .65; cursor: progress; }
.login-error {
  color: #991b1b;
  background: #fee2e2;
  border: 1px solid #fecaca;
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 13px;
}
.hidden { display: none; }
.security-note { text-align: center; font-size: 12px; margin-top: 18px; }

.link-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 800;
  cursor: pointer;
  padding: 8px 6px;
  text-align: center;
}
.panel-text {
  margin: 0 0 4px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}
.login-info {
  color: #1f2937;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 13px;
}
.login-info.ok {
  color: #166534;
  background: #dcfce7;
  border-color: #bbf7d0;
}
.login-info.err {
  color: #991b1b;
  background: #fee2e2;
  border-color: #fecaca;
}