:root{
  --nav-offset: 112px;

  --auth-bg-top: #f4f8ff;
  --auth-bg-bottom: #eef4ff;

  --auth-primary: #0f52ba;
  --auth-primary-strong: #0b3f90;
  --auth-primary-soft: rgba(15, 82, 186, 0.10);

  --auth-accent: #2aa198;
  --auth-accent-strong: #20857d;

  --auth-text: #142033;
  --auth-text-soft: rgba(20, 32, 51, 0.68);

  --auth-card-bg: rgba(255,255,255,0.94);
  --auth-card-border: rgba(15, 82, 186, 0.10);
  --auth-card-shadow: 0 18px 50px rgba(15, 23, 42, 0.10);

  --auth-input-bg: #ffffff;
  --auth-input-border: rgba(15, 82, 186, 0.14);
  --auth-input-border-focus: rgba(15, 82, 186, 0.45);

  --auth-danger-bg: rgba(220, 38, 38, 0.08);
  --auth-danger-border: rgba(220, 38, 38, 0.18);
  --auth-danger-text: #991b1b;
}

*{
  box-sizing: border-box;
}

body{
  margin: 0;
  color: var(--auth-text);
  background:
    radial-gradient(circle at top left, rgba(15, 82, 186, 0.10), transparent 32%),
    radial-gradient(circle at bottom right, rgba(42, 161, 152, 0.10), transparent 30%),
    linear-gradient(180deg, var(--auth-bg-top) 0%, var(--auth-bg-bottom) 100%);
}

.auth-page{
  min-height: 100vh;
  padding: calc(var(--nav-offset) + 28px) 20px 40px;
}

.auth-shell{
  max-width: 1280px;
  margin: 0 auto;
}

.auth-layout{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}

.auth-intro{
  padding: 12px 8px 12px 8px;
}

.auth-badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(15, 82, 186, 0.08);
  border: 1px solid rgba(15, 82, 186, 0.10);
  color: var(--auth-primary);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.auth-title{
  margin: 20px 0 14px;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.04;
  font-weight: 900;
  color: var(--auth-text);
}

.auth-subtitle{
  max-width: 640px;
  margin: 0 0 24px;
  font-size: 1.04rem;
  line-height: 1.7;
  color: var(--auth-text-soft);
  font-weight: 500;
}

.auth-highlights{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.auth-highlight-card{
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(15, 82, 186, 0.08);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(8px);
}

.auth-highlight-card strong{
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
  font-weight: 900;
  color: var(--auth-primary-strong);
}

.auth-highlight-card span{
  display: block;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--auth-text-soft);
  font-weight: 600;
}

.auth-card{
  background: var(--auth-card-bg);
  border: 1px solid var(--auth-card-border);
  border-radius: 30px;
  box-shadow: var(--auth-card-shadow);
  backdrop-filter: blur(12px);
  padding: 30px;
}

.auth-card__header{
  margin-bottom: 22px;
}

.auth-card__header h2{
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.1;
  font-weight: 900;
  color: var(--auth-text);
}

.auth-card__header p{
  margin: 0;
  color: var(--auth-text-soft);
  font-size: 0.98rem;
  line-height: 1.55;
  font-weight: 600;
}

.auth-alert{
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 700;
}

.auth-alert--danger{
  background: var(--auth-danger-bg);
  border: 1px solid var(--auth-danger-border);
  color: var(--auth-danger-text);
}

.auth-form{
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-field{
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-field label{
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--auth-text);
}

.auth-field input{
  width: 100%;
  min-height: 58px;
  border: 1px solid var(--auth-input-border);
  border-radius: 18px;
  background: var(--auth-input-bg);
  padding: 0 18px;
  font-size: 1rem;
  color: var(--auth-text);
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.auth-field input::placeholder{
  color: rgba(20, 32, 51, 0.40);
}

.auth-field input:focus{
  border-color: var(--auth-input-border-focus);
  box-shadow: 0 0 0 4px rgba(15, 82, 186, 0.10);
  transform: translateY(-1px);
}

.auth-submit{
  margin-top: 8px;
  width: 100%;
  min-height: 58px;
  border: none;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--auth-accent) 0%, var(--auth-primary) 100%);
  color: #fff;
  font-size: 1.06rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(15, 82, 186, 0.18);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease;
}

.auth-submit:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(15, 82, 186, 0.22);
  filter: brightness(1.02);
}

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

.auth-links{
  display: flex;
  justify-content: flex-start;
  padding-top: 2px;
}

.auth-link{
  color: var(--auth-primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 800;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.auth-link:hover{
  color: var(--auth-primary-strong);
  text-decoration: underline;
}

@media (max-width: 1080px){
  .auth-layout{
    grid-template-columns: 1fr;
  }

  .auth-intro{
    padding: 0;
  }

  .auth-highlights{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px){
  .auth-page{
    padding: calc(var(--nav-offset) + 18px) 14px 24px;
  }

  .auth-card{
    padding: 22px 18px;
    border-radius: 24px;
  }

  .auth-card__header h2{
    font-size: 1.7rem;
  }

  .auth-title{
    font-size: 2rem;
  }

  .auth-subtitle{
    font-size: 0.96rem;
  }

  .auth-field input,
  .auth-submit{
    min-height: 54px;
    border-radius: 16px;
  }
}