* {
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: #e8e9ea;
}

.admin-login-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.admin-login-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.back-home {
  margin-bottom: 25px;
}

.back-home a {
  color: #66b0ff;
  text-decoration: none;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.3s ease;
}

.back-home a:hover {
  color: #4facfe;
}

.admin-header {
  text-align: center;
  margin-bottom: 30px;
}

.admin-header h1 {
  margin: 0 0 10px 0;
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(45deg, #ff6b6b, #ee5a24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-header p {
  margin: 0;
  color: #b0b3b8;
  font-size: 1rem;
}

.flash-messages {
  margin-bottom: 20px;
}

.flash-message {
  padding: 12px 15px;
  border-radius: 8px;
  margin-bottom: 10px;
  font-weight: 500;
}

.flash-error {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: #ff6b6b;
}

.flash-success {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #4caf50;
}

.flash-info {
  background: rgba(102, 176, 255, 0.1);
  border: 1px solid rgba(102, 176, 255, 0.3);
  color: #66b0ff;
}

.flash-warning {
  background: rgba(255, 165, 2, 0.1);
  border: 1px solid rgba(255, 165, 2, 0.3);
  color: #ffa502;
}

.admin-login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group input {
  width: 100%;
  padding: 15px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: #ff6b6b;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-group input::placeholder {
  color: #b0b3b8;
}

.admin-login-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(45deg, #ff6b6b, #ee5a24);
  color: #fff;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.admin-login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
  background: linear-gradient(45deg, #ff5252, #d84315);
}

.admin-login-btn:active {
  transform: translateY(0);
}

.security-notice {
  margin-top: 25px;
  text-align: center;
  padding: 15px;
  background: rgba(255, 165, 2, 0.05);
  border: 1px solid rgba(255, 165, 2, 0.2);
  border-radius: 8px;
}

.security-notice p {
  margin: 0;
  color: #ffa502;
  font-size: 0.9rem;
  font-weight: 500;
}

@media (max-width: 480px) {
  .admin-login-box {
    padding: 30px 25px;
    margin: 10px;
  }
  
  .admin-header h1 {
    font-size: 1.8rem;
  }
  
  .form-group input,
  .admin-login-btn {
    padding: 12px 15px;
    font-size: 14px;
  }
}