:root {
  --login-bg-0: #f4f8f8;
  --login-bg-1: #dbeceb;
  --login-bg-2: #cae4e5;
  --login-card-bg: rgba(255, 255, 255, 0.88);
  --login-card-border: rgba(117, 146, 148, 0.25);
  --login-text-strong: #0f2629;
  --login-text-muted: #4d676b;
  --login-input-border: #c6d8da;
  --login-input-focus: #0ea5a0;
  --login-button-start: #0f766e;
  --login-button-end: #0891b2;
  --login-shadow-lg: 0 30px 70px -30px rgba(14, 41, 44, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body.login-page {
  position: relative;
  overflow: hidden;
  font-family:
    "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--login-text-strong);
  background:
    radial-gradient(circle at 18% 18%, rgba(32, 178, 170, 0.26) 0%, transparent 38%),
    radial-gradient(circle at 80% 6%, rgba(34, 211, 238, 0.2) 0%, transparent 34%),
    linear-gradient(145deg, var(--login-bg-0) 0%, var(--login-bg-1) 48%, var(--login-bg-2) 100%);
}

body.login-page::before,
body.login-page::after {
  content: "";
  position: absolute;
  width: 34vmax;
  height: 34vmax;
  border-radius: 40% 60% 55% 45%;
  filter: blur(8px);
  opacity: 0.28;
  z-index: 0;
}

body.login-page::before {
  top: -16vmax;
  right: -8vmax;
  background: linear-gradient(160deg, rgba(13, 148, 136, 0.75), rgba(103, 232, 249, 0.68));
}

body.login-page::after {
  bottom: -18vmax;
  left: -8vmax;
  background: linear-gradient(160deg, rgba(15, 118, 110, 0.66), rgba(45, 212, 191, 0.52));
}

.login-layout {
  position: relative;
  z-index: 1;
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 420px);
  border: 1px solid var(--login-card-border);
  border-radius: 24px;
  padding: 34px 32px 30px;
  background: var(--login-card-bg);
  backdrop-filter: blur(12px);
  box-shadow: var(--login-shadow-lg);
}

.login-card__header {
  margin-bottom: 24px;
}

.login-eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #1f6f72;
}

.login-title {
  margin: 0;
  font-size: clamp(1.6rem, 3.7vw, 2rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--login-text-strong);
}

.login-subtitle {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--login-text-muted);
}

.login-form {
  display: grid;
  gap: 12px;
}

.login-label {
  font-size: 13px;
  font-weight: 600;
  color: #385458;
}

.login-form input {
  width: 100%;
  border: 1px solid var(--login-input-border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  color: #133237;
  background: rgba(255, 255, 255, 0.8);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.login-form input::placeholder {
  color: #789194;
}

.login-form input:focus {
  outline: none;
  border-color: var(--login-input-focus);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.18);
}

.login-actions {
  margin-top: 8px;
}

.login-button {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #efffff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--login-button-start), var(--login-button-end));
  box-shadow: 0 16px 30px -14px rgba(8, 91, 107, 0.65);
  transition:
    transform 170ms ease,
    box-shadow 170ms ease,
    filter 170ms ease;
}

.login-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px -14px rgba(8, 91, 107, 0.72);
  filter: saturate(1.08);
}

.login-button:active {
  transform: translateY(0);
  box-shadow: 0 10px 22px -12px rgba(8, 91, 107, 0.72);
}

@media (max-width: 560px) {
  .login-layout {
    padding: 14px;
  }

  .login-card {
    border-radius: 20px;
    padding: 26px 22px 22px;
  }

  .login-eyebrow {
    margin-bottom: 8px;
  }

  .login-subtitle {
    font-size: 13px;
  }
}