:root {
  --login-bg: #edf6ef;
  --login-bg-accent: #f8fbf7;
  --login-card: rgba(255, 255, 255, 0.92);
  --login-line: rgba(38, 79, 46, 0.12);
  --login-ink: #163125;
  --login-muted: #617267;
  --login-primary: #4cb44e;
  --login-primary-dark: #2f8f39;
  --login-warm: #ff8b2d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at left top, rgba(112, 191, 116, 0.2) 0, transparent 28%),
    radial-gradient(circle at 72% 18%, rgba(255, 190, 122, 0.18) 0, transparent 24%),
    linear-gradient(135deg, var(--login-bg) 0%, #f7faf6 46%, #f5f7f4 100%);
  color: var(--login-ink);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.admin-login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: 32px;
  align-items: center;
  padding: 40px 48px;
}

.admin-login-brand,
.admin-login-card {
  position: relative;
}

.admin-login-brand {
  padding: 28px 8px 28px 0;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(76, 180, 78, 0.12);
  color: var(--login-primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.admin-login-brand h1 {
  margin: 20px 0 12px;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  max-width: 560px;
  margin: 0 0 28px;
  font-size: 20px;
  line-height: 1.7;
  color: var(--login-muted);
}

.admin-login-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 720px;
}

.admin-login-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--login-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 20px 40px rgba(25, 50, 30, 0.06);
  backdrop-filter: blur(6px);
}

.feature-icon {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(180deg, #f4fbf4, #ffffff);
  color: var(--login-primary-dark);
  font-size: 14px;
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(76, 180, 78, 0.18);
}

.admin-login-feature h2 {
  margin: 2px 0 6px;
  font-size: 18px;
}

.admin-login-feature p {
  margin: 0;
  color: var(--login-muted);
  line-height: 1.6;
}

.brand-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 24px;
  color: #5d6d61;
  font-size: 14px;
}

.admin-login-card {
  padding: 34px 34px 28px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  background: var(--login-card);
  box-shadow:
    0 24px 60px rgba(22, 49, 37, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
}

.admin-login-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 30px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 22%);
}

.admin-login-card-head {
  margin-bottom: 18px;
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: var(--login-primary-dark);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.admin-login-card h2 {
  margin: 14px 0 10px;
  font-size: 40px;
  line-height: 1.1;
}

.desc {
  margin: 0 auto;
  max-width: 460px;
  color: var(--login-muted);
  line-height: 1.7;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 18px 0 18px;
  padding: 6px;
  border-radius: 18px;
  background: #f3f7f1;
}

.tab {
  height: 48px;
  border: none;
  border-radius: 14px;
  background: transparent;
  color: var(--login-muted);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.tab.active {
  background: #ffffff;
  color: var(--login-primary-dark);
  box-shadow: 0 12px 24px rgba(39, 83, 45, 0.08);
}

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

label {
  display: block;
  margin: 0 0 6px;
  color: #425145;
  font-size: 14px;
  font-weight: 600;
}

input {
  width: 100%;
  height: 56px;
  border: 1px solid rgba(56, 86, 61, 0.12);
  border-radius: 18px;
  background: #ffffff;
  padding: 0 16px;
  color: var(--login-ink);
  font-size: 16px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

input:focus {
  border-color: rgba(76, 180, 78, 0.4);
  box-shadow: 0 0 0 4px rgba(76, 180, 78, 0.1);
}

button[type="submit"] {
  height: 56px;
  border: none;
  border-radius: 18px;
  background: linear-gradient(180deg, #69ca63, var(--login-primary));
  color: #ffffff;
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 18px 30px rgba(74, 180, 78, 0.2);
}

button[type="submit"]:hover {
  background: linear-gradient(180deg, #5fbe59, var(--login-primary-dark));
}

.status {
  min-height: 22px;
  margin: 0;
  color: var(--login-muted);
  font-size: 13px;
  text-align: center;
}

.hidden {
  display: none;
}

.links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.links a {
  color: var(--login-primary-dark);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.links a:last-child {
  color: var(--login-warm);
}

.links a:hover {
  text-decoration: underline;
}

@media (max-width: 1080px) {
  .admin-login-shell {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 18px 28px;
  }

  .admin-login-brand {
    padding-right: 0;
  }

  .admin-login-feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .admin-login-card {
    padding: 24px 18px 22px;
    border-radius: 24px;
  }

  .admin-login-card h2 {
    font-size: 32px;
  }

  .links {
    flex-direction: column;
  }
}