/* Login page — scoped styles (registration/login.html only) */

:root {
  --login-navy-950: #0b1025;
  --login-navy-900: #111a3a;
  --login-navy-800: #18244a;
  --login-cyan-500: #06b6d4;
  --login-blue-600: #2563eb;
  --login-slate-500: #64748b;
  --login-slate-200: #e2e8f0;
  --login-slate-100: #f1f5f9;
  --login-white: #ffffff;
  --login-shadow: 0 24px 48px rgba(11, 16, 37, 0.22);
  --login-radius: 18px;
}

.login-page {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--login-navy-900);
  background:
    linear-gradient(135deg, rgba(11, 16, 37, 0.88) 0%, rgba(17, 26, 58, 0.78) 45%, rgba(37, 99, 235, 0.35) 100%),
    url("../images/login_page_background.png") center / cover no-repeat;
  box-sizing: border-box;
}

.login-page *,
.login-page *::before,
.login-page *::after {
  box-sizing: border-box;
}

.login-page__shell {
  width: min(100%, 420px);
}

.login-card {
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--login-radius);
  box-shadow: var(--login-shadow);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.login-card__header {
  padding: 32px 32px 20px;
  text-align: center;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--login-slate-200);
}

.login-card__brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  border-radius: 16px;
  background: var(--login-navy-900);
  box-shadow: 0 10px 24px rgba(17, 26, 58, 0.18);
}

.login-card__brand img {
  width: 42px;
  height: 42px;
}

.login-card__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--login-navy-900);
}

.login-card__subtitle {
  margin: 8px 0 0;
  font-size: 0.9rem;
  color: var(--login-slate-500);
}

.login-card__body {
  padding: 28px 32px 32px;
}

.login-field {
  margin-bottom: 18px;
}

.login-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #475569;
}

.login-field input[type="text"],
.login-field input[type="password"] {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  font-size: 0.95rem;
  color: var(--login-navy-900);
  background: var(--login-slate-100);
  border: 1px solid var(--login-slate-200);
  border-radius: 10px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.login-field input[type="text"]::placeholder,
.login-field input[type="password"]::placeholder {
  color: #94a3b8;
}

.login-field input[type="text"]:focus,
.login-field input[type="password"]:focus {
  background: var(--login-white);
  border-color: var(--login-blue-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
}

.login-card__submit {
  width: 100%;
  height: 46px;
  margin-top: 6px;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--login-white);
  background: linear-gradient(135deg, var(--login-blue-600) 0%, #1d4ed8 100%);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.24);
}

.login-card__submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow: 0 14px 24px rgba(37, 99, 235, 0.28);
}

.login-card__submit:active {
  transform: translateY(0);
}

.login-card__links {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--login-slate-200);
  text-align: center;
}

.login-card__links a {
  display: inline-block;
  margin: 0 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--login-slate-500);
  text-decoration: none;
  transition: color 160ms ease;
}

.login-card__links a:hover {
  color: var(--login-blue-600);
}

.login-page__footer {
  margin-top: 18px;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 480px) {
  .login-page {
    padding: 16px;
  }

  .login-card__header,
  .login-card__body {
    padding-left: 22px;
    padding-right: 22px;
  }

  .login-card__links a {
    display: block;
    margin: 8px 0;
  }
}