* {
  box-sizing: border-box;
}

:root {
  --dark: #050b18;
  --navy: #2257b3;
  --blue: #1f6feb;
  --red: #ff3b3b;
  --cyan: #60d8ff;
  --gold: #ffe45c;
  --text: #bebebe;
  --muted: #64748b;
  --glass: rgba(255, 255, 255, 0.12);
  --panel: rgba(255, 255, 255, 0.92);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(
      circle at 10% 10%,
      rgba(255, 59, 59, 0.28),
      transparent 28%
    ),
    radial-gradient(
      circle at 90% 5%,
      rgba(31, 111, 235, 0.38),
      transparent 30%
    ),
    radial-gradient(
      circle at 50% 100%,
      rgba(96, 216, 255, 0.18),
      transparent 35%
    ),
    linear-gradient(
      145deg,
      var(--dark),
      var(--navy) 55%,
      #020611
    );
  color: var(--text);
}

/* =========================
   ADMIN LOGIN
========================= */

.admin-login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.admin-login-card {
  width: 100%;
  max-width: 450px;
  padding: 2.4rem;
  border-radius: 32px;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.98),
      rgba(235, 245, 255, 0.94)
    );
  border: 3px solid rgba(255, 255, 255, 0.45);
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(31, 111, 235, 0.22),
    inset 0 0 30px rgba(255, 255, 255, 0.7);
}

.admin-login-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.admin-login-logo img {
  max-width: 180px;
  height: auto;
  filter:
    drop-shadow(
      0 12px 20px rgba(0, 0, 0, 0.25)
    );
}

.admin-login-card h1 {
  margin: 0 0 0.5rem;
  text-align: center;
  color: var(--text);
  font-size: 2rem;
}

.admin-login-card p {
  text-align: center;
  color: var(--muted);
}

.admin-login-card form {
  display: grid;
  gap: 1rem;
}

.admin-login-card label {
  color: var(--muted);
  font-weight: 800;
}

.admin-login-card input {
  width: 100%;
  padding: 1rem;
  border-radius: 16px;
  border: 2px solid #c7d8f5;
  font: inherit;
}

.admin-login-card input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow:
    0 0 0 4px rgba(31, 111, 235, 0.15);
}

.admin-login-card button {
  padding: 1rem;
  border: none;
  border-radius: 18px;
  background:
    linear-gradient(
      90deg,
      var(--red),
      var(--blue)
    );
  color: white;
  font-weight: 900;
  cursor: pointer;
  box-shadow:
    0 9px 0 rgba(0, 0, 0, 0.28);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.admin-login-card button:hover {
  transform: scale(1.05);
  box-shadow:
    0 12px 0 rgba(0, 0, 0, 0.24);
}

#login-error {
  margin: 0;
  padding: 0.8rem;
  border-radius: 14px;
  text-align: center;
  color: #d62828;
  background: rgba(214, 40, 40, 0.1);
  font-weight: 900;
}

.button-link {
  display: block;
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 18px;
  text-align: center;
  text-decoration: none;
  color: white;
  background:
    linear-gradient(
      90deg,
      var(--blue),
      var(--cyan)
    );
  font-weight: 900;
  box-shadow:
    0 9px 0 rgba(0, 0, 0, 0.28);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.button-link:hover {
  transform: scale(1.05);
  box-shadow:
    0 12px 0 rgba(0, 0, 0, 0.24);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 600px) {
  .admin-login-card {
    padding: 1.5rem;
    border-radius: 24px;
  }

  .admin-login-card h1 {
    font-size: 1.6rem;
  }

  .admin-login-card button,
  .button-link {
    padding: 0.9rem;
  }
}