:root {
  --zd-dark: #050914;
  --zd-navy: #091527;
  --zd-blue: #0d9fe8;
  --zd-blue-2: #36c2ff;
  --zd-white: #ffffff;
  --zd-muted: #a9b6c8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    linear-gradient(135deg, rgba(5, 9, 20, 0.86), rgba(9, 21, 39, 0.72)),
    url('/images/login.jpg') center center / cover no-repeat fixed;
  color: var(--zd-white);
}

.zd-login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 32px 16px;
}

.zd-login-header {
  text-align: center;
}

.zd-login-brand {
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -2px;
  color: #ffffff;
  text-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
}

.zd-login-subtitle {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.zd-login-card {
  width: min(430px, 100%);
  padding: 38px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.90);
  border: 1px solid rgba(255, 255, 255, 0.48);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.30);
  backdrop-filter: blur(12px);
}

.zd-login-card h2 {
  margin: 0;
  text-align: center;
  color: #2f3842;
  font-size: 34px;
  font-weight: 500;
}

.zd-line {
  width: 100%;
  height: 1px;
  background: rgba(47, 56, 66, 0.12);
  margin: 24px 0 32px;
}

.zd-input {
  height: 52px;
  border-radius: 999px !important;
  padding-left: 20px;
  border: 1px solid rgba(47, 56, 66, 0.14);
  background: #edf3ff;
  color: #202832;
  font-size: 16px;
  box-shadow: none !important;
}

.zd-input:focus {
  border-color: var(--zd-blue);
  box-shadow: 0 0 0 0.18rem rgba(13, 159, 232, 0.18) !important;
}

.zd-login-btn {
  width: 100%;
  height: 54px;
  border-radius: 999px;
  margin-top: 20px;
  background: #3c4349;
  color: #ffffff;
  border: 0;
  font-weight: 800;
  letter-spacing: 1px;
}

.zd-login-btn:hover {
  background: #20262c;
  color: #ffffff;
}

.erroralert {
  border-radius: 16px;
  font-size: 14px;
  text-align: center;
  padding: 10px 12px;
}

.zd-login-footer {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
}