@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root {
  --login-bg: #eaf2ff;
  --login-card: rgba(255, 255, 255, 0.97);
  --login-text: #0f172a;
  --login-muted: #63748c;
  --login-border: rgba(96, 128, 180, 0.18);
  --login-primary: #1e40af;
  --login-primary-strong: #17358d;
  --login-success-soft: rgba(16, 185, 129, 0.12);
  --login-danger-soft: rgba(239, 68, 68, 0.12);
  --login-shadow: 0 30px 80px rgba(34, 78, 145, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body.login-body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  color: var(--login-text);
  background:
    radial-gradient(circle at 15% 18%, rgba(56, 189, 248, 0.16), transparent 26%),
    radial-gradient(circle at 84% 82%, rgba(59, 130, 246, 0.18), transparent 28%),
    linear-gradient(180deg, #f9fbff 0%, var(--login-bg) 100%);
}

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 28px;
}

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: calc(100vh - 56px);
}

.login-card {
  width: min(100%, 540px);
  border: 1px solid var(--login-border);
  box-shadow: var(--login-shadow);
  backdrop-filter: blur(22px);
  border-radius: 36px;
  padding: 42px 34px 32px;
  background: var(--login-card);
  position: relative;
}

.login-card::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(244, 248, 255, 0.95), rgba(255, 255, 255, 0.7));
  z-index: 0;
}

.login-card > * {
  position: relative;
  z-index: 1;
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  margin-bottom: 32px;
}

.login-brand__logo {
  width: 132px;
  height: 132px;
  object-fit: contain;
  padding: 0;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.06);
}

.login-brand__caption {
  max-width: 430px;
  font-size: 19px;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #183153;
}

.login-brand__subcaption {
  font-size: 13px;
  line-height: 1.4;
  color: #6d7f99;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-alert {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid transparent;
}

.login-alert--danger {
  background: var(--login-danger-soft);
  border-color: rgba(239, 68, 68, 0.16);
  color: #b91c1c;
}

.login-form {
  display: grid;
  gap: 18px;
}

.login-field {
  display: grid;
  gap: 8px;
}

.login-field label {
  font-size: 14px;
  font-weight: 700;
  padding-left: 2px;
}

.login-input {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.26);
  border-radius: 18px;
  background: rgba(246, 249, 255, 0.92);
  color: var(--login-text);
  padding: 16px 18px;
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.login-input:focus {
  outline: none;
  background: #ffffff;
  border-color: rgba(29, 78, 216, 0.5);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
}

.login-field.has-error .login-input {
  border-color: rgba(220, 38, 38, 0.45);
  background: rgba(254, 242, 242, 0.8);
}

.login-field__error {
  color: #b91c1c;
  font-size: 13px;
}

.login-submit {
  margin-top: 8px;
  border: none;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--login-primary), var(--login-primary-strong));
  color: #ffffff;
  padding: 16px 18px;
  font: inherit;
  font-weight: 800;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  box-shadow: 0 18px 34px rgba(29, 78, 216, 0.26);
}

.login-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

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

@media (max-width: 1120px) {
  .login-shell {
    padding: 20px;
  }

  .login-panel {
    min-height: calc(100vh - 40px);
  }
}

@media (max-width: 720px) {
  .login-shell {
    padding: 14px;
  }

  .login-card {
    border-radius: 28px;
    padding: 30px 20px 24px;
  }

  .login-card::before {
    inset: 12px;
    border-radius: 22px;
  }

  .login-brand__logo {
    width: 112px;
    height: 112px;
  }

  .login-brand__caption {
    font-size: 16px;
  }

  .login-brand__subcaption {
    font-size: 11px;
  }
}